Mountains & Rocks Worksheet for 8-Year-Olds (Grade 3) — 30 Questions: True/False, Fill-in-the-Blanks, MCQs & Short Answers

Instructions

Read each question carefully and write your answer in the space provided. Try your best to answer all the questions about our amazing Earth!

Part 1: True or False?

Read each sentence. If the sentence is correct, circle True. If it is incorrect, circle False.

1. The Earth's outer layer is made of soft grass.
   True / False
2. Rocks can only be found deep underground.
   True / False
3. A mountain is a very tall, high piece of land.
   True / False
4. Volcanoes can create new mountains.
   True / False
5. Fold mountains are made when the Earth's crust stretches and breaks.
   True / False
6. You can find rocks like pebbles on a beach.
   True / False
7. All mountains are perfectly pointed at the top.
   True / False
8. The rocky outer layer of the Earth is called the crust.
   True / False

Part 2: Fill in the Blanks

Complete each sentence by choosing the correct word from the word box below.

9. A mountain is a very _______________ landform, much taller than a hill.
10. Rocks are _______________, natural objects that make up the Earth.
11. You can find rocks almost _______________, from gardens to rivers.
12. Mountains that look like wrinkles in a carpet are called _______________ mountains.
13. The Earth's crust is broken into giant moving pieces called _______________.
14. A _______________ mountain is formed when hot, melted rock cools on the surface.
15. The hot liquid rock that erupts from a volcano is called _______________.
16. When huge blocks of rock are pushed up or drop down, they can form _______________ mountains.

Part 3: Multiple Choice

Circle the letter of the best answer for each question.

17. What is the hard, outer layer of the Earth made of rock called?
    1. The Mantle
    2. The Crust
    3. The Core
18. Which of these is NOT a place you would find rocks?
    1. Inside a cloud
    2. At the bottom of the ocean
    3. On a hiking trail
19. Which type of mountain is built by eruptions of lava and ash?
    1. Fold Mountain
    2. Fault-Block Mountain
    3. Volcanic Mountain
20. Fold mountains are formed when two of the Earth's plates...
    1. Move away from each other
    2. Slide past each other
    3. Push into each other
21. A very large, high area of land with steep sides is called a...
    1. Valley
    2. Mountain
    3. Beach
22. Which word best describes a rock?
    1. Liquid
    2. Solid
    3. Gas
23. Fault-block mountains have...
    1. A gentle, wavy shape
    2. A cone shape with a crater at the top
    3. A steep front side and a sloping back side
24. What covers the entire surface of our planet?
    1. A layer of rock and soil
    2. A layer of water only
    3. A layer of soft sand

Part 4: Short Answer

Write your answer to each question on the lines below.

25. Name two different places you could find a rock.

    ___________________________________________________________________

26. In your own words, what is a mountain?

    ___________________________________________________________________

27. How is a volcanic mountain formed?

    ___________________________________________________________________

28. What does a fold mountain look like? You can describe it with words or draw a picture.

    ___________________________________________________________________

29. Why is the Earth's rocky crust important for us?

    ___________________________________________________________________

30. If you have a collection of rocks, what are two ways they might be different from each other? (e.g., color, size)

    ___________________________________________________________________

Answer Key

Part 1: True or False?

1. False (It's made of rock and soil.)
2. False (They can be found everywhere on the surface too.)
3. True
4. True
5. False (Fold mountains are made when the crust pushes together and wrinkles.)
6. True
7. False (Mountains have many different shapes.)
8. True

Part 2: Fill in the Blanks

9. high
10. solid
11. everywhere
12. fold
13. plates
14. volcanic
15. lava
16. fault-block

Part 3: Multiple Choice

17. b) The Crust
18. a) Inside a cloud
19. c) Volcanic Mountain
20. c) Push into each other
21. b) Mountain
22. b) Solid
23. c) A steep front side and a sloping back side
24. a) A layer of rock and soil

Part 4: Short Answer

(Note: Student answers may vary but should be similar to the examples below.)

25. Example Answer: On a beach, in a garden, in a river, on a mountain.
26. Example Answer: A very big and tall hill that is high up.
27. Example Answer: A volcano erupts lava and ash, which piles up and cools to make a mountain.
28. Example Answer: It looks wavy or wrinkly, like a rug that has been pushed together.
29. Example Answer: It is the ground that we live on and where we build our homes.
30. Example Answer: They can be different colors, sizes, shapes, or textures (smooth or rough).