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Test Description: May 2007 OAA
Instructions: Answer all questions to get your test result.
1) Which seed has structures that allow animals to transport the seed on their fur?
A
acorn
B
corn seed
C
maple seed
D
cocklebur
2) What part of Earth experiences night at the same time?
A
less than 1/4
B
almost all
C
about 1/2
D
about 3/4
3) About how much of the Earth's surface is covered by ocean's?
A
about 70%
B
about 50%
C
more than 90%
D
less than 20%
4) In a forest, how do decomposers help other organisms survive?
A
They put nutrients into the soil that plants use to grow
B
They use sunlight to make food for plants and animals
C
They provide shelter in forests where animals can hide
D
They release oxygen into the air that animals breathe
5) Which type of energy produces a light bulb to light when using a battery and wire filament?
A
gravity
B
magnetic
C
sound
D
thermal
6) Nighttime stars appear much smaller than the sun, why?
A
the moon blocks out most starlight
B
the stars are much farther away
C
the sky is much darker at night
D
the stars are much smaller
7) When you pull a chair on wheels, what makes the chair move?
A
friction between the person's hand and the chair
B
the force of pull on the chair
C
friction between the wheels and the floor
D
the force of gravity on the chair
8) Which weather observation is likely just before the snow?
A
small white clouds
B
warm temperature
C
clear sky
D
thick grey clouds
9) What causes day and night on Earth?
A
tilting of Earth's axis
B
movement of Earth around the sun
C
rotation of Earth on its axis
D
movement of the sun around Earth
10) Which human activity is a negative impact on the environment?
A
dumping used motor oil on the ground
B
removing pollution from a river
C
restoring an old copper mine to its natural state
D
reducing air pollution at a factory
*select an answer for all questions
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