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Worksheets4th Grade NC Science Review A
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
A metal ball has an electrical charge. What will happen when it is brought near another metal ball with the same electrical charge?
a)
The two balls will be pulled toward each other.
b)
The two balls will be pushed away from each other.
c)
The two balls will touch and move in circles around each other.
d)
The two balls will touch and then remain connected with each other.
2.
A geologist wants to test the streak of a mineral. What should the geologist do?
a)
rub the mineral along a ceramic plate
b)
view the mineral under bright lights
c)
place salt on top of the mineral
d)
use fire to melt the mineral
3.
This is a waxing moon. What causes the moon to appear this way?
a)
Light from the sun is being reflected on part of the moon.
b)
The moon is moving away from the shadow of Earth.
c)
Light produced by the moon is being reflected by Earth.
d)
The moon is moving into the shadow of Earth.
4.
Which can a scientist learn from studying a plant fossil?
a)
how long ago the plant lived
b)
how the plant became extinct
c)
how many plants lived in the area
d)
how many animals lived near the plant
5.
Which is an example of a slow change to Earth’s surface?
a)
A well collects rainwater.
b)
A boat travels toward the shore.
c)
A tree branch falls to the ground.
d)
A river carries sediment to the ocean.
6.
Bluebirds live in open meadows and trees. The trees and plants near a meadow were removed to build a shopping center. How could this affect the bluebird population?
a)
A It could give the bluebird population more space to live.
b)
It could force the bluebird population to find a new place to live.
c)
It could cause all of the bluebird population in the area to die.
d)
D It could provide a larger selection of food for the bluebird population.
7.
The water level in a lake is decreasing. How could this affect the plants and animals living in the lake?
a)
It might provide more space for the plants and animals.
b)
It might reduce the amount of space for the plants and animals.
c)
It might help the animals living in the lake, but it may harm the plants.
d)
It might help the plants living in the lake, but it may harm the animals.
8.
Which will most likely occur during winter in the United States?
a)
Snakes will build nests in other places.
b)
Birds will migrate to the north.
c)
Frogs will search for a mate.
d)
Bats will hibernate in caves.
9.
A grasshopper eats a blade of grass. What is grass?
a)
It is food because it is green. .
b)
It is food because it provides energy
c)
It is food because it produces oxygen gas.
d)
It is food because it is found in the ground
10.
What is the source of energy animals need to survive?
a)
minerals
b)
water
c)
food
d)
air
11.
Which is a way people can improve the environment for animals that live near the coast of North Carolina?
a)
doubling the number of commercial fishing boats in the ocean
b)
increasing the number of fish a person can catch and keep
c)
building new homes and hotels closer to the ocean
d)
removing litter and trash from the area every day
12.
Which could help animals survive in areas that have many wildfires?
a)
using camouflage
b)
traveling in herds
c)
going underground
d)
hunting at night
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