About Earth Science

Following are some of the multiple choice questions on the Earth Science with answers that will help the students in developing their knowledge.

Earth Science MCQ

1. What is a renewable resource?

  • A resource that can be replaced or recycled.
  • A resource that will not run out.
  • A resource that cannot be replaced at all, or cannot be replaced as fast as people use it.
  • None of these

2. What is an inexhaustible resource?

  • A resource that can be replaced or recycled.
  • A resource that will not run out.
  • A resource that cannot be replaced at all, or cannot be replaced as fast as people use it.
  • None of these

3. The Hawaiian Islands were formed from volcanoes in the Pacific Ocean. Was this a fast process or a slow process?

  • fast
  • slow

4. What are the 3 major types of rocks?

  • Igneous, Metamorphic, Sedimentary
  • Metamorphic, Igneous, Cementation
  • Brown, Red, Gray
  • Streak, Hardness, Breakage

5. How is it possible for new crust to be formed without increasing the surface area of the Earth?

  • Crust is destroyed at the same time it is created
  • New crust is underwater where it sinks
  • New crust breaks more easily than old crust

6. What option shows an example of a renewable and nonrenewable natural resources?

  • trees and solar energy
  • plants and oxygen
  • water and natural gas

7. The movement of weathered rock and soil

  • erosion
  • rock cycle
  • mantle
  • weathering

8. Soil made up of large grains

  • cast
  • sand
  • igneous rock
  • mold

9. The biosphere and the geosphere interact by...

  • Trees roots cracking and breaking down rocks
  • Plants growing in soil
  • Volcano erupting and covering plants and animals
  • All of above

10. We can help the Earth by...

  • planting trees.
  • recycling
  • using solar and wind energy and other renewable resources
  • All of above

11. The outermost layer of the earth is about 3 to 30 miles thick. It is called the

  • mantle
  • crust
  • outer core
  • inner core

12. Oldham found the earth's core when he saw that seismic waves from ___________ didn't go straight through the center of the earth.

  • tidal waves
  • earthquakes
  • mountains
  • ocean floors

13. Rock that forms when sediment from older rocks get pressed and cemented together.

  • Sedimentary Rock
  • Metamorphic Rock
  • Igneous Rock
  • None of these

14. Which of these can rapidly affect Earth’s surface?

  • earthquakes
  • annual rainfall
  • sediment deposits
  • frozen precipitation

15. Wind, water, and ice breaking down rock is called

  • Erosion
  • Deposition
  • Compaction
  • Weathering

16. What is a non-renewable resource?

  • A resource that can be replaced or recycled.
  • A resource that will not run out.
  • A resource that cannot be replaced at all, or cannot be replaced as fast as people use it.

17. In the erosion lab, what caused an increase in weathering, erosion, and deposition?

  • increased water supply
  • increased slope
  • both increased water supply and increased slope
  • neither - the weathering, erosion, and deposition stayed the same

18. Which of the following is the name of the ancient supercontinent formed 28 Million Years ago.

  • Pangea
  • Gondwanda
  • Laurasia
  • Neverland

19. A divergent boundary occurs when plates ....

  • Pull apart
  • Come together
  • Slide past each other
  • subducting

20. You are planning to buy a home along a river. You want to make sure that your home is safe from flooding and erosion. Which home should you buy?

  • A house on land that is level with the river with lots of pretty flowers.
  • A house on rocky, gently sloping land away from the river.
  • A house at the top of a steep cliff that is made of sandy soil.

21. Farmers often have trouble with their topsoil washing away during times of heavy rainfall. What could they do to keep the soil from washing away or eroding?

  • Keep pigs in the field.
  • Plant crops in valleys rather than on hills.
  • Try to create a place for the water to run off.

22. In a drought, farmers often have problems with their topsoil blowing away when it gets really dry. What could farmers do to keep the lightweight, dry soil from blowing away or eroding?

  • Plant the seeds farther apart.
  • Surround the fields with natural barriers, such as trees to block the wind.
  • Keep cows in the field.

23. Organic matter is a main part of soil. What is the other main part of soil?

  • worms
  • dirt
  • water
  • inorganic matter

24. The land feature formed when sediment is deposited at the mouth of a river is called a(n) ____________.

  • beach
  • dune
  • canyon
  • delta

25. The type of plate boundary where two plates come together is a .....

  • Convergent Boundary
  • Divergent Boundary
  • Transform Boundary
  • Plate Boundary

26. In the erosion lab, the larger, heavier sediments were generally deposited in the canyon and alluvial fan. Why did this happen?

  • the sediments were able to flow a long distance
  • the sediments couldn't be carried as far

27. Cause: Erosion of land on an inland farm.

  • Effect: Waves erode the shoreline and carry grains of sand away. People can use sandbags to stop erosion along the coast.
  • Effect: Rain can wash away the topsoil, which is the soil with the most nutrients for plants. Farmers can slow erosion by planting trees around their fields. Their roots will help keep the soil in place.
  • There is no effect of erosion on an inland farm.

28. In the rock cycle, what causes metamorphic rock to form?

  • red, hot magma
  • heat and pressure
  • erosion
  • wind

29. In the rock cycle, what causes sedimentary rock to form?

  • compaction and cementation
  • melting
  • heat and pressure
  • red, hot magma

30. Mount Everest grows 2 inches per year as the tectonic plates below it move toward each other. Which of Earth's processes causes this?

  • weathering
  • Earth crust movement
  • land mass motion
  • erosion and deposition

31. In the rock cycle, what causes igneous rock to form?

  • heat and pressure
  • weathering and erosion
  • tectonic plates
  • the cooling of magma

32. After a very heavy rain, a large amount of Earth breaks loose on a hillside. Which of Earth's processes caused this?

  • glacier movement
  • weathering
  • land mass motion
  • volcanic eruptions

33. Sand dunes in the Middle East are created when the wind moves sand from deserts to new places. The sand being moved to a new location is an example of which of Earth's processes?

  • erosion and deposition
  • glacier movement
  • Earth crust movement
  • land mass motion

34. In the erosion lab, the smaller and lighter sediments, such as clay and silt, were generally deposited downstream in the basin. Why did this happen?

  • the sediments were able to flow a long distance
  • the sediments couldn't be carried as far

35. The Hawaiian Islands were formed as a result of _____________.

  • deposition
  • glaciers
  • hurricanes
  • volcanic activity

36. Hurricanes can be harmful.

  • True, rain and storm surges can cause flooding. Strong winds can destroy homes and other buildings.
  • False, hurricanes are not harmful.

37. Hurricanes can be helpful.

  • True, hurricanes provide a lot of rain that keeps wells flowing. They may also remove non-native plant species from the ground so native species have room to grow.
  • False, hurricanes cannot be helpful.

38. Complete the statement: 1.______________ breaks rock down into tiny particles (sediment). Over time, 2.__________________, along with particles of organic material, are formed. The top layers 3.____________ on the bottom layers, forming sedimentary rocks.

  • Weathering 2. many layers of particles 3. press
  • Many layers of particles 2.press 3.weathering
  • Weathering 2. press 3. many layers of particles

39. Cause: Erosion of land next to the ocean.

  • Effect: Waves erode the shoreline and carry grains of sand away. People can use sandbags to stop erosion along the coast.
  • Effect: Rain can wash away the topsoil, which is the soil with the most nutrients for plants. Farmers can slow erosion by planting trees around their fields. Their roots will help keep the soil in place.
  • There is no effect of erosion on land next to the ocean.

40. Rock once melted, cooled and hardened

  • metamorphic rock
  • sedimentary rock
  • fossils
  • igneous rock

41. A landslide occurs after a flash flood's flowing water caused large portions of the riverbank to be washed away. Was the land impacted by a constructive force or a destructive force?

  • constructive force
  • destructive force

42. Physical weathering...

  • is when only the size of the rock changes.
  • is when nothing changes.
  • is when rock is broken into smaller pieces, and the material that makes up the rock or soil also changes.

43. When water is warmed it evaporates and then cooled and condenses, it then will eventually...

  • evaporate into space.
  • become a cloud.
  • melt.
  • fall as precipitation (rain, snow, sleet, hail).

44. Chemical weathering...

  • is when rock is broken into smaller pieces, and the material that makes up the rock or soil also changes.
  • is when only the size of the rocks is changed.
  • is when nothing changes.

45. Process by which sediments are dropped by erosion, such as water dropping seashells

  • weathering
  • erosion
  • rock cycle
  • deposition

46. Result of water, wind, and ice breaking up rocks

  • erosion
  • igneous rocks
  • soil
  • sediment

47. Clay holds too much water, and the plant's roots will rot.

  • True
  • False

48. The cause of a rock breaking due to frozen water is an example of...

  • soil formation.
  • erosion.
  • weathering.

49. Choose the correct definition and example of a fossil fuel.

  • a rock rich in minerals that can be removed from Earth. Ex. metal
  • cell that changes energy from the Sun into electrical energy. Ex. solar panels
  • items made from organisms that lived long ago. Ex. coal

50. A plate moving along a fault often causes...

  • an earthquake.
  • a tornado.
  • a hurricane.

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