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Fourth Grade Science Review
Test Description: This is a general review of fourth grade science content.
Instructions: Answer all questions to get your test result.
1) What makes up an ecosystem?
A
The roads and highways in a state.
B
The biotic and abiotic feature which are living and nonliving things.
C
The rain, hail, sleet, and snow that falls.
D
The total number of people that live in a city.
2) What does soil cover?
A
Soil covers some caves.
B
Soil may be left behind by glaciers.
C
Soil gets eroded.
D
Soil covers most of the land on Earth.
3) Both plants and animals depend on what?
A
Volcanoes can cause new rocks to form.
B
Scientists use microscopes to look at plants.
C
Plants and animals receive energy from the sun.
D
Some rock are metamorphic, igneous, and sedimentary.
4) Polar ecosystems do not have what?
A
Polar ecosystems do not have seals.
B
Polar ecosystems do not have snow and ice.
C
Polar ecosystems do not have polar bears.
D
Polar ecosystems do not have dirt and soil.
5) What do desert ecosystems have very little of?
A
Desert ecosystems have very little heat energy.
B
Desert ecosystems receive very little precipitation such as rain.
C
Desert ecosystems have very little sunshine.
D
Desert ecosystems have very little sand.
6) What does a living thing need to survive?
A
A living thing needs only cold.
B
A living thing needs computers.
C
A living thing will survive best where all of its needs are best met.
D
A living thing needs only darkness.
7) What does shade provide in an ecosystem?
A
Shade provides bees to pollinate flowers.
B
Shade provides protection for plants and animals.
C
Shade provides glaciers.
D
Shade provides plant seeds.
8) Which is an example of an abiotic factor in an environment?
A
The giraffe is an abiotic factor in an environment.
B
The cactus is an abiotic factor in an environment.
C
The polar bear is an abiotic factor in an environment.
D
Water is an abiotic factor in an environment.
9) Where are you most likely to find an igneous rock?
A
Igneous rocks will always be by sedimentary rocks.
B
Igneous rocks will always be in a polar ecosystem.
C
Igneous rocks often form near volcanoes.
D
Igneous rocks can only be in the desert.
10) Which is a huge block of ice mixed with rocks and sand that molds the land?
A
A glacier is a delta at the end of a river.
B
A glacier is inside a volcano.
C
A glacier is a huge block of ice mixed with rocks and sand that can change the shape of land.
D
A glacier cannot move at all.
11) What is the dropping off of sediments called?
A
Weathering is the wearing away of rocks into smaller bits.
B
Erosion is the movement of rocks and soil.
C
Sediment cannot be moved.
D
The dropping off of sediments in a new location is called deposition.
12) What weather conditions can change the surface of Earth?
A
Sand can be found by oceans on beaches.
B
There are a lot of rocks on Earth.
C
Deserts are very warm.
D
Strong wind and heavy rainfall can change Earth’s surface.
13) Which parts of Earth did glaciers cover during the ice ages?
A
Glaciers covered as much as 1/3 of Earth, including areas that are much warmer today.
B
Just 10% of Earth's surface.
C
One tenth of Earth was wet.
D
Just one or two high mountains.
14) Which can result from earthquakes, floods, and volcanic eruptions?
A
Landslides can be caused by earthquakes, floods, and volcanic eruptions.
B
Longer days and nights for one day.
C
Not very many loud noises.
D
The sun may change the direction it moves across the sky.
15) How do trees prevent wind erosion in forests?
A
The trees look nice.
B
Plant roots of trees hold soil in place and prevent it from being picked up and moved.
C
Some trees have fruit like apples.
D
Trees don't grow in forests.
16) Which is most like a glacier changing Earth’s land?
A
A glacier is like a bulldozer pushing and piling anything in its path.
B
A glacier is very hot.
C
A glacier can only be on an island.
D
A glacier is like a small rock.
17) Which tool could be used to measure temperature?
A
A thermometer is a tool that can be used to measure temperature.
B
A scale measures weight.
C
A fire produces a lot of heat energy.
D
A barometer measures air pressure.
18) How can you make an electromagnet stronger?
A
If you add more wire loops to the coil, it will be stronger.
B
Keep it in a really cold room.
C
Ask a friend to hold the electromagnet.
D
Just take it outside.
19) What happens if you add heat to a substance?
A
Its particles will only get smaller.
B
Its particles will not get excited.
C
Its particles will move faster.
D
Its particles will freeze in place.
20) What material is an excellent conductor of heat?
A
Copper, a kind of metal, is an excellent conductor of heat energy.
B
Try cardboard as a conductor.
C
Rubber bands might make excellent conductors of electricity.
D
The conductor played some great music.
*select an answer for all questions
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