Grade 8 Science: Who Wants to Be a Dollaraire?

This element is ____.
1. silver
2. aluminum
3. gold
4. arsenic
This element is ____.
1. argon
2. silver
3. astatine
4. aluminum
This element is ____.
1. arsenic
2. argon
3. actinium
4. americium
This element is ____.
1. arsenic
2. silver
3. argon
4. aluminum
This element is ____.
1. actinium
2. uranium
3. silver
4. gold
This element is ____.
1. beryllium
2. bismuth
3. bohrium
4. boron
This element is ____.
1. barium
2. bismuth
3. boron
4. lead
This element is ____.
1. barium
2. boron
3. beryllium
4. bismuth
This element is ____.
1. bismuth
2. beryllium
3. bromine
4. barium
This element is ____.
1. bromine
2. beryllium
3. bohrium
4. barium
This element is ____.
1. calcium
2. carbon
3. cobalt
4. copper
This element is ____.
1. carbon
2. calcium
3. californium
4. cadmium
This element is ____.
1. cadmium
2. chlorine
3. calcium
4. carbon
This element is ____.
1. chlorine
2. californium
3. curium
4. cobalt
This element is ____.
1. chlorine
2. carbon
3. copper
4. cobalt
This element is ____.
1. chromium
2. carbon
3. cerium
4. chlorine
This element is ____.
1. cerium
2. cadmium
3. cesium
4. chromium
This element is ____.
1. cerium
2. cesium
3. carbon
4. copper
This element is ____.
1. einsteinium
2. erbium
3. europium
4. helium
This element is ____.
1. fluorine
2. iron
3. francium
4. palladium
This element is ____.
1. fluorine
2. iron
3. fermium
4. iodine
This element is ____.
1. cobalt
2. gadolinium
3. germanium
4. gallium
This element is ____.
1. gallium
2. gadolinium
3. germanium
4. gold
This element is ____.
1. hydrogen
2. halmium
3. helium
4. hafnium
This element is ____.
1. hafnium
2. hassium
3. hydrogen
4. helium
This element is ____.
1. mercury
2. hafnium
3. hydrogen
4. holmium
This element is ____.
1. iron
2. iridium
3. iodine
4. zinc
This element is ____.
1. krypton
2. potassium
3. berkelium
4. xenon
This element is ____.
1. krypton
2. potassium
3. chromium
4. argon
This element is ____.
1. lithium
2. iodine
3. lutelium
4. lawrencium
This element is ____.
1. magnesium
2. manganese
3. molybdenum
4. meitnerium
This element is ____.
1. mendelevium
2. mercury
3. magnesium
4. manganese
This element is ____.
1. nitrogen
2. neon
3. niobium
4. sodium
This element is ____.
1. sodium
2. nitrogen
3. neon
4. nobelium
This element is ____.
1. sodium
2. neptunium
3. neon
4. nickel
This element is ____.
1. nickel
2. neon
3. neptunium
4. nitrogen
This element is ____.
1. oxygen
2. osmium
3. copper
4. sodium
This element is ____.
1. potassium
2. phosphorus
3. lead
4. palladium
This element is ____.
1. polonium
2. lead
3. phosphorus
4. plutonium
This element is ____.
1. rutherfordium
2. rubidium
3. rhenium
4. radon
This element is ____.
1. sulfur
2. strontium
3. antimony
4. silicon
This element is ____.
1. antimony
2. tin
3. seabargium
4. selenium
This element is ____.
1. strontium
2. tin
3. scandium
4. sulfur
This element is ____.
1. silicon
2. silver
3. strontium
4. selenium
This element is ____.
1. selenium
2. silver
3. tin
4. silicon
This element is ____.
1. tin
2. strontium
3. selenium
4. silicon
This element is ____.
1. silver
2. sulfur
3. scandium
4. strontium
This element is ____.
1. tin
2. thorium
3. titanium
4. terbium
This element is ____.
1. uranium
2. plutonium
3. neptunium
4. mercury
This element is ____.
1. uranium
2. vanadium
3. lutetium
4. meitnerium
This element is ____.
1. xenon
2. xerox
The chemical symbol for this is _____.
1. H
2. He
3. Ni
4. Hy
The chemical symbol for this is _____.
1. He
2. H
3. Hl
4. Hm
The chemical symbol for this is _____.
1. Lt
2. Li
3. L
4. Lm
The chemical symbol for this is _____.
1. Br
2. Bi
3. Bl
4. Be
The chemical symbol for this is _____.
1. By
2. Br
3. Bo
4. B
The chemical symbol for this is _____.
1. C
2. Ca
3. Cb
4. Cr
The chemical symbol for this is _____.
1. Ne
2. Nt
3. Ni
4. N
The chemical symbol for this is _____.
1. Oz
2. On
3. Ox
4. O
The chemical symbol for this is _____.
1. F
2. Fl
3. Fn
4. Fe
The chemical symbol for this is _____.
1. N
2. Ni
3. Ne
4. Xe
The chemical symbol for this is _____.
1. Ni
2. Sd
3. Na
4. So
The chemical symbol for this is _____.
1. Mg
2. Mn
3. Ma
4. Ms
The chemical symbol for this is _____.
1. Tn
2. Al
3. Sn
4. Am
The chemical symbol for this is _____.
1. Si
2. Sl
3. S
4. Sn
The chemical symbol for this is _____.
1. Po
2. Ps
3. Ph
4. P
The chemical symbol for this is _____.
1. Sl
2. Sf
3. Su
4. S
The chemical symbol for this is _____.
1. Cl
2. Ch
3. C
4. Ci
The chemical symbol for this is _____.
1. An
2. A
3. Ag
4. Ar
The chemical symbol for this is _____.
1. P
2. Pt
3. Po
4. K
The chemical symbol for this is _____.
1. Ca
2. Cl
3. C
4. Cm
The chemical symbol for this is _____.
1. Sa
2. Sc
3. Sd
4. Sn
The chemical symbol for this is _____.
1. Tt
2. Tn
3. T
4. Ti
The chemical symbol for this is _____.
1. Vn
2. Vd
3. Va
4. V
The chemical symbol for this is _____.
1. Co
2. Cm
3. Ch
4. Cr
The chemical symbol for this is _____.
1. Mn
2. Mg
3. M
4. Ma
The chemical symbol for this is _____.
1. Ir
2. Fe
3. Io
4. I
The chemical symbol for this is _____.
1. Co
2. C
3. Cb
4. Ca
The chemical symbol for this is _____.
1. Fe
2. Co
3. Cu
4. Sn
The chemical symbol for this is _____.
1. Ga
2. Gl
3. G
4. Gi
The chemical symbol for this is _____.
1. As
2. Ar
3. An
4. Ac
The chemical symbol for this is _____.
1. B
2. Br
3. Bm
4. Bo
The chemical symbol for this is _____.
1. Sr
2. St
3. So
4. Sn
The chemical symbol for this is _____.
1. Ti
2. Tn
3. Pb
4. Sn
The chemical symbol for this is _____.
1. Io
2. Id
3. I
4. In
The chemical symbol for this is _____.
1. Cs
2. Ce
3. Cm
4. Ci
The chemical symbol for this is _____.
1. Au
2. Gd
3. Gl
4. Ad
The chemical symbol for this is _____.
1. Pb
2. Ld
3. Le
4. Fe
The chemical symbol for this is _____.
1. U
2. Ur
3. Un
4. Um
The chemical symbol for this is _____.
1. Nk
2. N
3. Nl
4. Ni
The chemical symbol for this is _____.
1. An
2. Zn
3. Zc
4. Zi
The chemical symbol for this is _____.
1. Ge
2. Gr
3. Gm
4. Gn
The chemical symbol for this is _____.
1. Se
2. Sl
3. Sn
4. Sm
The chemical symbol for this is _____.
1. Kr
2. Kp
3. Kt
4. Kn
The chemical symbol for this is _____.
1. Ag
2. Si
3. Sr
4. Au
The chemical symbol for this is _____.
1. Sb
2. An
3. At
4. Sn
The chemical symbol for this is _____.
1. Xe
2. Xn
3. Xo
4. X
The chemical symbol for this is _____.
1. Br
2. Ba
3. Bm
4. Bi
The chemical symbol for this is _____.
1. Hg
2. Hm
3. Me
4. Mc
The chemical symbol for this is _____.
1. Rd
2. Ra
3. Ri
4. Rn
The chemical symbol for this is _____.
1. Pn
2. Pt
3. Pl
4. Pu
The red arrows in the figure below point to numbers. These numbers indicate _____.
1. periods
2. atomic mass
3. families
4. atomic number
The red arrows in the figure below point to numbers. These numbers indicate _____.
1. families
2. atomic mass
3. periods
4. atomic number
The red arrow in this diagram is pointing to a number that indicates the _____.
1. atomic number
2. atomic mass
3. chemical symbol
4. family
The red arrow in this diagram is pointing to a number that indicates the _____.
1. atomic number
2. atomic mass
3. period
4. family
The circled element in the figure below is shown in a different font color than surrounding elements. Why is it a different color?
1. It is the only metal which is in a liquid state at room temperature.
2. It is the only metal in a solid state at room temperature.
3. It is the only liquid non-metal in a liquid state at room temperature.
4. It is the only non-metal in a solid state at room temperature.
The circled element in the figure below is shown in a different font color than surrounding elements. Why is it a different color?
1. It is the only metal which is in a liquid state at room temperature.
2. It is the only metal in a solid state at room temperature.
3. It is the only liquid non-metal in a liquid state at room temperature.
4. It is the only non-metal in a solid state at room temperature.
There is a gap in the area circled in the diagram below. Why is that gap there?
1. The four elements in that area behave mysteriously. This gap indicates a gap in scientific knowledge related to those elements to-date.
2. There is a gap in atomic masses between these neighboring elements.
3. The elements that belong in this area are still a scientific mystery.
4. This is where the two rows at the bottom of the Periodic Table would belong. They are moved to the bottom of the table to save space.
The bold black line pointed out in the diagram below is there for a reason. What is that reason?
1. This line separates liquids and gases.
2. This line separates metals and non-metals.
3. This line separates solids and liquids.
4. This line separates metals and gases.
The most active metal is _____.
The most active non-metal is _____.
Hydrogen, by its electron arrangement, is part of Group 1. It is set apart on the Periodic Table because _____.
1. its state is everchanging, and it does not quite fit the attached to the remaining elements
2. it was put in as an afterthought
3. it has only one energy level and has unique properties
4. it is the most important element
The elements circled below are shaded green, while the elements to the left are yellow, and to the right are blue. Why are these elements shaded green in color?
1. They are metalloid, containing some, but not all of the properties of metals.
2. The designer of the Periodic Table thought it would make the diagram more interesting.
3. These elements are precious.
4. Their properties are known to be unstable.
The red arrow in the diagram below is pointing to the _____.
1. element's name
2. chemical symbol
3. atomic mass
4. atomic number
The chemical symbol for this is _____.
1. En
2. Es
3. Ei
4. Mj
Which of these uses the force of gravity to make it move?
1. A sailboat moving across a lake
2. A car making a right turn
3. A snow sled going downhill
4. A bicycle rolling to a stop
The presence of permafrost is a characteristic of which major biome?
1. Tundra
2. Taiga
3. Temperate forest
4. Grasslands
Plants release oxygen into the air as a result of photosynthesis. Which of these do plants need for photosynthesis?
1. Carbon dioxide
2. Nitrogen
3. Methane
4. Hydrogen
1. a container of a different size
2. a different amount of antifreeze
3. a different amount of water
4. exactly the same set-up as the first experiment
1. Type of plant
2. Amount of water
3. Color of light
4. Size of pot
1. Oxygen
2. Chlorine
3. Sulfur
4. Germanium
The amount of gravitational attraction between the Earth and an object depends on the object's distance from the Earth and the object's --
1. shape
2. mass
3. state of matter
4. size
Of the following, which is the correct progression in the food chain?
1. Producers --> herbivores --> carnivores
2. Herbivores --> producers --> carnivores
3. Producers --> carnivores --> herbivores
4. Carnivores --> herbivores --> producers
Which of these are found in plant cells but not in animal cells?
1. Mitochondria
2. Chloroplasts
3. Cell membranes
4. Endoplasmic reticulum
A student predicts that more sugar will dissolve in warm water than in cold water. She puts some water in a container, adds sugar, and then stirs. The amount of undissolved sugar is then observed. When this student repeats the experiment to verify her prediction, the only thing that should change is the --
1. amount of water used
2. temperature of the water
3. amount of sugar used
4. amount of time stirring
Which of the following molecules does not contain three atoms?
The function of a cell nucleus is to --
1. direct the activities of the cell
2. help the cell expel waste
3. digest foreign substances
4. transport subtances around the cell
Which of these processes in the water cycle causes dew to form in the morning?
1. Condensation
2. Evaporation
3. Transpiration
4. Precipitation
A student conducted an experiment on plant growth that required adding about one cupful of liquid fertilizer to several plants each week. In order to accurately measure the fertilizer given to each plant, the fertilizer volume should be measured in --
1. cubic meters
2. milliliters
3. cubic feet
4. kiloliters
Early space flights were unmanned because --
1. humans had no interest in space exploration
2. reliable life-support systems were not yet developed
3. rockets flew too fast for human survival
4. humans could not withstand the force of takeoff
One way plants and animals are alike is that they both --
1. move to get their food
2. make their own food
3. use carbon dioxide
4. use oxygen
Consumers of electrical energy are billed according to how much energy they use. The unit most commonly used for measuring electrical energy consumption is the --
1. millivolt
2. ohmeter
3. newton-meter
4. kilowatt-hour
Which of these cannot be separated into its parts by an ordinary chemical or physical process?
A student determined the mass and volume of a gold ring. What physical property of the gold can be determined using these two measurements?
1. Its reactivity
2. Its expansion rate
3. Its density
4. Its melting point
Which of these best shows particles in a mixture?
Which of the following orientations of magnets would result in the greatest attraction between the two magnets?
The Earth is warmed by solar energy. How is this energy transferred from the sun to the Earth?
1. Radiation
2. Convection
3. Conduction
4. Ultrasonic
An example of kinetic energy continuously being changed to potential energy and back again might be --
1. a girl swinging on a swing
2. a train moving down a track
3. electric charges moving in a straight path
4. a plate sitting on the edge of a table
A new medication dissolves blood clots. However, if too much is used, excessive bleeding occurs. Which method should scientists use to determine the best dosage of this new medication?
1. Use people of many different ages as test subjects
2. Have the test subjects eat a wide variety of foods with the medication
3. Change the times the medication is given to determine if timing affects bleeding
4. Vary only the dosages of the medication while keeping everything else constant
In an experiment combining vinegar and baking soda, gas is given off. In this chemical reaction, the vinegar and baking soda are --
1. reactants
2. products
3. elements
4. suspensions
1. 1975
2. 1980
3. 1985
4. 1990
A wheel-and-axle is a lever that rotates around a fixed point. All of the following machines employ a wheel-and-axle except a --
1. bicycle
2. skateboard
3. pencil sharpener
4. crowbar
Scientists have been able to find no atmosphere around this planet because it has little gravity and is closest to the sun. The planet described is --
1. Mercury
2. Earth
3. Venus
4. Saturn
As a supplement to some diets, iron is taken in tablet form. The mass of iron in these tablets is often measured in --
1. milliliters
2. calories
3. centimeters
4. milligrams
Some students counted the birds in an area. They counted the number of species present and the number of birds in each species. Which of these would be best to use to report the results?
An experiment determined that 20 g of mass were gained by a mouse on a corn diet, 15 g by a mouse on a rice diet, and 18 g for the mouse on a grain diet. The corn-fed mouse started out at 95 g, the rice-fed at 98 g, and the grain-fed at 92 g. Which of the following tables describes these data and any other data which can be directly computed from these numbers?
Which amphibian is most aquatic?
1. solid to a liquid
2. solid to a gas
3. liquid to a gas
4. liquid to a solid
Which drawing shows a circuit that will cause the light to come on?
A compound is a molecule made up of atoms from at least two elements. Which of the following gases is a compound?
Which of these correctly shows how a light ray is reflected from a mirror?
1. Mechanical --> heat --> chemical
2. Heat --> chemical --> light
3. Electrical --> mechanical --> chemical
4. Chemical --> electrical --> light
In humans, which of these is required for carrying oxygen from the lungs to body cells?
1. Plasma
2. Platelets
3. Red blood cells
4. White blood cells
The only place visited by manned exploration outside Earth is --
1. the sun
2. the moon
3. Venus
4. Mars
1. plant
2. rabbit
3. hawk
4. fox
During mitosis, the doubling of chromosomes ensures that both new cells --
1. have identical genetic makeup
2. are twice the size of the parent cell
3. serve different functions
4. remain attached to each other
Many living organisms have body structures that go from very simple to very complex. Which of these places the structures in the correct order, from least complex to most complex?
1. System, organ, tissue, cell
2. Organ, tissue, cell, system
3. Cell, system, organ, tissue
4. Cell, tissue, organ, system
1. The size of the diver increases.
2. The volume of air in the diver decreases.
3. The water in the bottle becomes less dense.
4. The air in the water comes out of solution.
Which of these illustrates a predator-prey relationship?
1. An eagle catching a fish
2. A flea feeding on a dog
3. A horse eating grass
4. A rooster fighting another rooster
1. carbon-dating
2. hypotheses of scientists
3. observations of modern horses
4. the fossil record
During the process of evaporation, liquid water becomes --
1. tiny drops of water
2. separate atoms of water
3. molecules of water vapor
4. atoms of hydrogen and oxygen
Which of the following is an example of a decomposer at work in the food web?
1. A tree growing in a field
2. A grasshopper eating leaves
3. A seagull catching a fish
4. A fungus growing on a log
Because it can be transported easily and converted into other forms of energy, the energy form most commonly used in households is --
1. chemical
2. nuclear
3. heat
4. electrical
1. 2
2. 4
3. 14
4. 24
Which of these best completes the
statement about the interaction of the
respiratory system with the circulatory
system? The lungs add --
1. nutrients to the blood
2. bile to the blood
3. oxygen to the blood
4. carbon dioxide to the blood
Which of these will cause water to
change to ice?
1. Removing heat from the water
2. Stirring the water
3. Adding salt to the water
4. Putting the water in the sunlight
1. The cooler the temperature, the louder the crickets chirp.
2. The crickets cannot chirp at temperatures lower than 10°C.
3. The warmer the temperature, the more often crickets chirp.
4. The temperature and the chirping of crickets are not related.
1. Nitrogen belongs to the halogen family.
2. Helium belongs to the noble gas family.
3. Calcium belongs to the alkali family.
4. Sodium belongs to the alkaline earth family.
1. The snowy owls are becoming extinct.
2. Lemmings live much longer than snowy owls.
3. The habitat of the lemmings is continuously decreasing in size.
4. The snowy owl population increases because of an increase in lemmings.
Which of these has the greatest
number of different simple machines?
The atom is composed of electrons,
protons, and neutrons. What is the
electric charge on the neutron?
1. -1
2. +1
3. 0
4. +2
A tick that feeds on the blood of
animals is a --
1. predator
2. host
3. competitor
4. parasite
The distance between one point on a
compression and the corresponding
point on the next compression in a
sound wave is called a --
1. wavelength
2. rarefaction
3. crest
4. trough
Which of the following do typical plant
cells have that typical animal cells
do not?
1. Cytoplasm
2. Nuclei
3. Mitochondria
4. Chloroplasts
1. 335.6 g
2. 350.6 g
3. 354.6 g
4. 356.0vg
1. live in the water
2. are fish
3. are warm-blooded
4. lay eggs
The kangaroo rat is able to get all of
the water it needs through its food
and, therefore, never needs to drink
liquids. This animal has adapted to survive
in which biome?
1. Forest
2. Tundra
3. Desert
4. Grassland
The science of astronomy is concerned
with the observation and analysis of
the movements of celestial objects. The
invention of which instrument was
most helpful to the advancement of
astronomy?
1. Telescope
2. Microscope
3. Camera
4. Geiger counter
There are many reasons why the use of
oil needs to be managed carefully.
Which of the following is not one of
these reasons?
1. There are only limited supplies of oil in the Earth.
2. Oil spills at sea have killed many marine animals.
3. Burning oil contributes to acid rain and the greenhouse effect.
4. Oil was created by plants and animals.
Several centuries ago, men called
alchemists tried to transform common
metals into gold. Even though they
tried many different chemical and
physical methods, they never
succeeded because --
1. they could not heat common metals to extremely high temperatures
2. the common metals they worked with were not pure
3. they did not add the correct material to the common metal
4. elements cannot be changed to other elements by physical or chemical means
1. Group 1
2. Group 2
3. Group 3
4. Group 4
Mercury is a liquid metal that is used
in many thermometers. The mercury in
the thermometer rises because it --
1. is sucked upward by vacuum
2. expands when heated
3. is compressed by air pressure
4. increases in density when heated
Which of these could cause a decrease
in the number of squirrels in a
population?
1. An increase in cooperation with birds in the area
2. An increase in the squirrels' territory
3. An increase in competition with the other nut-eating animals
4. An increase in the squirrels' food supply
1. 4-5 micrometers
2. 7-8 micrometers
3. 10-11 micrometers
4. 12-13 micrometers
Which level of organization below is
the most basic or primary level of
organization?
1. Cell
2. Tissue
3. Organ
4. Organ system
Ellen noticed that she often sneezes
when she visits her friend Robert, who
has a cat and a parrot. Ellen wonders
if she may have allergies to Robert's
pets and decides to conduct a scientific
investigation. What should Ellen do
next?
1. Ellen should tell Robert that she cannot visit him until he gives away his pets.
2. Ellen should visit Sue who has a horse, a dog, a goldfish, and a hamster.
3. Ellen should call her doctor and insist that she needs shots for allergies.
4. Ellen should visit a friend who has only cats and one who has only parrots.
Because burning fossil fuels creates
much pollution, alternatives are being
investigated. What might limit the use
of wind as a major energy source?
1. The strength of the wind varies.
2. Wind machines have huge blades to capture the wind.
3. Turbines and generators in the wind machines create electricity.
4. Wind power does not create pollution.
Sponges are classified as animals
because they cannot --
1. move from place to place
2. make their own food
3. get rid of waste products
4. catch their own food
1. Alternating current
2. Short circuit
3. Series circuit
4. Parallel circuit
Which of the following is a physical
property of copper?
1. Ductile, can be drawn into a wire
2. Liquid at room temperature
3. Readily reacts with water to form an acid
4. Readily reacts with oxygen
Northern garter snakes exhibit a
unique behavior in which they gather
in deep dens by the hundreds or
thousands. They then coil together in a
huge ball. This behavior could help
to --
1. reduce heat loss
2. increase camouflage
3. locate food sources
4. increase oxygen consumption
When plants perform photosynthesis,
they use sunlight to produce food. This
is an example of light energy being
converted to --
1. heat energy
2. electrical energy
3. mechanical energy
4. chemical energy
Mendel's early work with pea plants
demonstrated a significant genetic
discovery. The crossing of homozygous
tall pea plants always resulted in tall
plants and demonstrated that tallness
in pea plants is a trait that is --
1. blended
2. dominant
3. mutated
4. recessive
1. 1
2. 2
3. 3
4. 4
Which of the following is an example of
kinetic energy?
1. A baseball moving from the pitcher to the catcher
2. A rock sitting on the top of a large hill
3. A pendulum at the top of its swing
4. A new flashlight battery
Many scientists believe that nuclear
fusion will become a possible energy
source within the next 10 years. What
resource would be most effective in
tracking the progress of this energy
source?
1. The local newspaper
2. A chemical encyclopedia
3. A physics textbook
4. Scientific periodical
1. unlike charges
2. like charges
3. neutral charges
4. no charges
1. Soil
2. Rivers
3. Animals
4. Plants
Which of these processes helps extract
energy from food?
1. Reproduction
2. Digestion
3. Excretion
4. Circulation
Which of these is a change in chemical

Grade 8 Science: Who Wants to Be a Dollaraire?

Multiple-Choice Exercise
Content © 2009 Tami Maloney; Author of Activity: Tami Maloney; All rights reserved. No commercial, for-profit use of this material is allowed. E-mail comments and questions to Tami Maloney.

Which of these uses the force of gravity to make it move?

The presence of permafrost is a characteristic of which major biome?

Plants release oxygen into the air as a result of photosynthesis. Which of these do plants need for photosynthesis?

The amount of gravitational attraction between the Earth and an object depends on the object's distance from the Earth and the object's --

Of the following, which is the correct progression in the food chain?

**Which of these are found in plant cells but not in animal cells?**

**Which of the following molecules does not contain three atoms?**

The function of a cell nucleus is to --

Which of these processes in the water cycle causes dew to form in the morning?

A student conducted an experiment on plant growth that required adding about one cupful of liquid fertilizer to several plants each week. In order to accurately measure the fertilizer given to each plant, the fertilizer volume should be measured in --

Early space flights were unmanned because --

One way plants and animals are alike is that they both --

Consumers of electrical energy are billed according to how much energy they use. The unit most commonly used for measuring electrical energy consumption is the --

**Which of these cannot be separated into its parts by an ordinary chemical or physical process?**

A student determined the mass and volume of a gold ring. What physical property of the gold can be determined using these two measurements?

**Which of these best shows particles in a mixture?**

**Which of the following orientations of magnets would result in the greatest attraction between the two magnets?**

The Earth is warmed by solar energy. How is this energy transferred from the sun to the Earth?

An example of kinetic energy continuously being changed to potential energy and back again might be --

A new medication dissolves blood clots. However, if too much is used, excessive bleeding occurs. Which method should scientists use to determine the best dosage of this new medication?

In an experiment combining vinegar and baking soda, gas is given off. In this chemical reaction, the vinegar and baking soda are --

**A wheel-and-axle is a lever that rotates around a fixed point. All of the following machines employ a wheel-and-axle except a --**

Scientists have been able to find no atmosphere around this planet because it has little gravity and is closest to the sun. The planet described is --

As a supplement to some diets, iron is taken in tablet form. The mass of iron in these tablets is often measured in --

Some students counted the birds in an area. They counted the number of species present and the number of birds in each species. Which of these would be best to use to report the results?

Which amphibian is most aquatic?

Which drawing shows a circuit that will cause the light to come on?

A compound is a molecule made up of atoms from at least two elements. Which of the following gases is a compound?

Which of these correctly shows how a light ray is reflected from a mirror?

In humans, which of these is required for carrying oxygen from the lungs to body cells?

The only place visited by manned exploration outside Earth is --

During mitosis, the doubling of chromosomes ensures that both new cells --

Many living organisms have body structures that go from very simple to very complex. Which of these places the structures in the correct order, from least complex to most complex?

Which of these illustrates a predator-prey relationship?

During the process of evaporation, liquid water becomes --

Which of the following is an example of a decomposer at work in the food web?

**Because it can be transported easily and converted into other forms of energy, the energy form most commonly used in households is --**

Grade 8 Science: Who Wants to Be a Dollaraire?

Multiple-Choice ExerciseContent © 2009 Tami Maloney; Author of Activity: Tami Maloney; All rights reserved. No commercial, for-profit use of this material is allowed. E-mail comments and questions to Tami Maloney.

Which of these uses the force of gravity to make it move?

The presence of permafrost is a characteristic of which major biome?

Plants release oxygen into the air as a result of photosynthesis. Which of these do plants need for photosynthesis?

The amount of gravitational attraction between the Earth and an object depends on the object's distance from the Earth and the object's --

Of the following, which is the correct progression in the food chain?

Which of these are found in plant cells but not in animal cells?

Which of the following molecules does not contain three atoms?

The function of a cell nucleus is to --

Which of these processes in the water cycle causes dew to form in the morning?

A student conducted an experiment on plant growth that required adding about one cupful of liquid fertilizer to several plants each week. In order to accurately measure the fertilizer given to each plant, the fertilizer volume should be measured in --

Early space flights were unmanned because --

One way plants and animals are alike is that they both --

Consumers of electrical energy are billed according to how much energy they use. The unit most commonly used for measuring electrical energy consumption is the --

Which of these cannot be separated into its parts by an ordinary chemical or physical process?

A student determined the mass and volume of a gold ring. What physical property of the gold can be determined using these two measurements?

Which of these best shows particles in a mixture?

Which of the following orientations of magnets would result in the greatest attraction between the two magnets?

The Earth is warmed by solar energy. How is this energy transferred from the sun to the Earth?

An example of kinetic energy continuously being changed to potential energy and back again might be --

A new medication dissolves blood clots. However, if too much is used, excessive bleeding occurs. Which method should scientists use to determine the best dosage of this new medication?

In an experiment combining vinegar and baking soda, gas is given off. In this chemical reaction, the vinegar and baking soda are --

A wheel-and-axle is a lever that rotates around a fixed point. All of the following machines employ a wheel-and-axle except a --

Scientists have been able to find no atmosphere around this planet because it has little gravity and is closest to the sun. The planet described is --

As a supplement to some diets, iron is taken in tablet form. The mass of iron in these tablets is often measured in --

Some students counted the birds in an area. They counted the number of species present and the number of birds in each species. Which of these would be best to use to report the results?

Which amphibian is most aquatic?

Which drawing shows a circuit that will cause the light to come on?

A compound is a molecule made up of atoms from at least two elements. Which of the following gases is a compound?

Which of these correctly shows how a light ray is reflected from a mirror?

In humans, which of these is required for carrying oxygen from the lungs to body cells?

The only place visited by manned exploration outside Earth is --

During mitosis, the doubling of chromosomes ensures that both new cells --

Many living organisms have body structures that go from very simple to very complex. Which of these places the structures in the correct order, from least complex to most complex?

Which of these illustrates a predator-prey relationship?

During the process of evaporation, liquid water becomes --

Which of the following is an example of a decomposer at work in the food web?

Because it can be transported easily and converted into other forms of energy, the energy form most commonly used in households is --

Multiple-Choice Exercise
Content © 2009 Tami Maloney; Author of Activity: Tami Maloney; All rights reserved. No commercial, for-profit use of this material is allowed. E-mail comments and questions to Tami Maloney.

**Which of these are found in plant cells but not in animal cells?**

**Which of the following molecules does not contain three atoms?**

**Which of these cannot be separated into its parts by an ordinary chemical or physical process?**

**Which of these best shows particles in a mixture?**

**Which of the following orientations of magnets would result in the greatest attraction between the two magnets?**

**A wheel-and-axle is a lever that rotates around a fixed point. All of the following machines employ a wheel-and-axle except a --**

**Because it can be transported easily and converted into other forms of energy, the energy form most commonly used in households is --**