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Scientific
Thinking
Minerals
Electricity
Geology
Ecosystems
100
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100
D. Electric fan.
Which of the following converts electrical
energy into motion?
A.
B.
C.
D.
Light switch
Electric stove
Light bulb
Electric fan
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200
A.
B.
C.
D.
C. Electricity flows along more
than one pathway.
Which best describes a parallel circuit?
What is a conductor?
Electricity flows along one pathway.
The flow of electricity comes from one source.
Electricity flows along more than one pathway.
The flow of electricity comes from more than
one source
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300
B. Heat and light energy
When electric current flows through the metal
filament of a light bulb, electrical energy is
converted to:
A.
B.
C.
D.
Heat energy only
Heat and light energy
Light and motion energy
Light energy only
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400
A. The balloon will be attracted
to the rod.
A balloon has a negative charge. The glass rod has a
positive charge. What will happen when the glass rod is
brought near the balloon?
A.
B.
C.
D.
The balloon will be attracted to the rod.
The balloon will be repelled by the rod.
The balloon will remain in place.
The balloon will spin in circles.
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100
B. Erosion by wind & water.
Which process is most responsible for the
formation of the Grand Canyon?
A.
B.
C.
D.
scouring by glaciers
erosion by wind & water
eruptions by volcanoes
cracking of Earth’s crust
by earthquakes
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200
C. Organisms can be preserved
in sedimentary rock.
Why are most fossils found in sedimentary rocks?
A. Sedimentary rocks are not very old.
B. Organisms live only in areas with sedimentary
rock.
C. Organisms can be preserved in sedimentary rock.
D. Sedimentary rocks are found only at the surface
of the ground.
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300
B. Plant roots grow into cracks in rocks.
How do plants most commonly break large rocks into
smaller pieces?
A. Plant leaves insulate surrounding rocks from extreme
temperatures
B. Plant roots grow into cracks in rocks.
C. Seeds from plants fall onto rocks and release acidic
compounds.
D. Stems of plants surround and squeeze rocks.
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D. Erosion.
400
This is a sea arch. What
is responsible for shaping
this arch?
A.
B.
C.
D.
plate tectonics
earthquakes
deposition
erosion
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D. Horned lizard.
100
Which of the following is a living
component of a desert in California?
A.
B.
C.
D.
low rainfall
hot temperature
polar bear
horned lizard
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B. birds.
200
Which animals are most likely to carry the
seeds found in berries from the parent plant
to another area?
A.
B.
C.
D.
bees
birds
flies
caterpillars
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300
C. Black bear.
This diagram shows a simple food web. Which animal
is classified as an omnivore?
A.
B.
C.
D.
red fox
deer
black bear
rabbit
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400
D. Where it lives.
Here are four different skin patterns for western garter snakes.
What do the patterns tell us about the snake?
A.
B.
C.
D.
Its age.
What it eats.
Its size.
Where it lives.
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100
B. They have feathers.
This picture shows several
different birds. What
characteristic do all birds
share?
A. They can fly.
B. They have feathers.
C. They have webbed feet.
D. They eat worms.
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A. 5mL.
200
A student added a small ball to a graduated
cylinder containing 10 milliliters of water. What is
the volume of the ball?
A.
B.
C.
D.
5mL.
10 mL.
15 mL.
20mL.
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300
D. Strong uphill winds have pushed against
the tree.
A group of students observed this tree while hiking. What
is the most likely cause for the angle of the tree?
A. The tree is reaching toward the
afternoon sunlight.
B. Water rolling down the hill uprooted
the tree.
C. Large rocks hit the tree when they
rolled down the hill.
D. Strong uphill winds have pushed
against the tree.
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B. 10 grams.
400
How much does 10ml of water weigh, in grams?
A.
B.
C.
D.
1 gram.
10 grams.
100 grams.
1 kilogram.
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100
Quartz
Which is harder, quartz or feldspar?
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200
The color left by the mineral on
the streak plate.
What is ‘streak’?
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300
D. gold.
A student is identifying a mineral that glass
can scratch. If the mineral is metallic and
yellow, which mineral can it be?
A. pyrite
B. calcite
C. quartz
D. gold
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400
A. Mica.
You are trying to identify a mineral that has
a nonmetallic luster and is black. It can also
be scratched with a fingernail. The
unidentified mineral is most likely
A. mica.
B. magnetite
C. hornblende
D. quartz
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