Grade 3 Science Worksheet — Things Around Us (Age 9) | Cambridge-Aligned: 40 MCQ, 20 Short Answer, 10 Problem Solving

Instructions

Read each question carefully and write your answer in the space provided. Try your best to answer all the questions. Good luck!

Objective Questions

Part A: True or False

Read each sentence. Circle True if the statement is correct or False if it is incorrect.

1. A teddy bear is a living thing. (True / False)
2. Plants need water and sunlight to grow. (True / False)
3. A river is a man-made thing. (True / False)
4. Air is a solid. (True / False)
5. A car can move, so it is a living thing. (True / False)
6. Wood comes from trees. (True / False)
7. Glass is transparent, which means you can see through it. (True / False)
8. All living things can breathe. (True / False)
9. Water, milk, and juice are all examples of liquids. (True / False)
10. A book is made from plastic. (True / False)

Part B: Multiple Choice

Circle the letter of the best answer for each question.

11. Which of these is a non-living thing?
• A. Tree
• B. Cat
• C. Rock
12. Which of the following is a natural thing?
• A. Mountain
• B. House
• C. Computer
13. What state of matter is the steam from a kettle?
• A. Solid
• B. Liquid
• C. Gas
14. A window is usually made of a material that is:
• A. Soft
• B. Transparent
• C. Opaque
15. Which of these can grow, breathe, and reproduce?
• A. A robot
• B. A plant
• C. A toy car
16. An object that has a fixed shape and size, like a brick, is a:
• A. Solid
• B. Liquid
• C. Gas
17. Which of these is man-made?
• A. Sun
• B. Moon
• C. Bicycle
18. Wool, which we use to make sweaters, comes from:
• A. Plants
• B. Sheep
• C. The ground
19. Which material is best for making a raincoat?
• A. Cotton
• B. Paper
• C. Plastic
20. A liquid takes the shape of its:
• A. Color
• B. Container
• C. Temperature
21. Which of these is NOT a characteristic of living things?
• A. They grow.
• B. They are made of metal.
• C. They need food.
22. What is a property of a metal spoon?
• A. It is soft.
• B. It is hard and shiny.
• C. It is a gas.
23. Which of these objects is opaque (you cannot see through it)?
• A. A clear glass cup
• B. A wooden door
• C. Water
24. The air we breathe is a mixture of:
• A. Solids
• B. Liquids
• C. Gases
25. A pencil is made from:
• A. Glass and plastic
• B. Wood and graphite
• C. Metal and rubber

Part C: Fill in the Blanks

Choose the correct word from the word bank to complete each sentence.

Word Bank: man-made, solid, living, non-living, gas, natural, liquid, materials, soft, breathe

26. A dog is a ___________________ thing.
27. A chair is a ___________________ object because it does not grow or need food.
28. A river is a ___________________ feature of the Earth.
29. An ice cube is water in its ___________________ form.
30. The oxygen we need to live is a ___________________.
31. A house is a ___________________ structure.
32. Juice is a type of ___________________.
33. We use different ___________________ to build things, like wood and metal.
34. A pillow is usually very ___________________.
35. All animals need to ___________________ to stay alive.

Part D: Matching

Match the object in Column A with the main material it is made from in Column B. Write the letter of your answer on the line.

Short Answer Questions

Part E: What Am I?

Read the clues and write down what the object is.

1. I am a living thing. I have leaves and a trunk. I cannot move from place to place. What am I?
   _________________________
2. I am a non-living thing. You use me to write. I am usually made of wood. What am I?
   _________________________
3. I am a liquid. You drink me when you are thirsty. I have no color or taste. What am I?
   _________________________
4. I am a man-made thing. I have wheels and an engine. People use me to travel. What am I?
   _________________________
5. I am found everywhere, but you cannot see me. You need me to breathe. What am I?
   _________________________

Part F: Give Two Examples

Write down two examples for each of the following categories.

6. Two living things: _________________________, _________________________
7. Two non-living things: _________________________, _________________________
8. Two things made of plastic: _________________________, _________________________
9. Two things that are natural: _________________________, _________________________
10. Two things that are solids: _________________________, _________________________

Part G: Answer in One or Two Sentences

Write a short answer for each question.

11. Why is a cloud considered a natural thing?
    ____________________________________________________________
12. Why is a chair considered a non-living thing?
    ____________________________________________________________
13. Name one way a plant is different from an animal.
    ____________________________________________________________
14. What is one property of wood?
    ____________________________________________________________
15. What happens to water when it freezes?
    ____________________________________________________________
16. What state of matter is honey?
    ____________________________________________________________
17. Why is metal a good material for making a car?
    ____________________________________________________________
18. What is the difference between a natural thing and a man-made thing?
    ____________________________________________________________
19. Name one thing that both plants and animals need to live.
    ____________________________________________________________
20. Why can't you walk through a solid wall?
    ____________________________________________________________

Problem Solving

Part H: Sorting and Classifying

Look at the list of items below and use it to answer the questions.

List: fish, table, sun, car, flower, pencil, bird, computer, river, tree

1. Sort the items into two groups: Living and Non-living.
   Living: __________________________________________________
   Non-living: _________________________________________________
2. How many living things are in the list? __________
3. From the Non-living group, sort the items into Natural and Man-made.
   Natural: __________________________________________________
   Man-made: _________________________________________________
4. How many man-made things are in the list? __________

Part I: Observe and Describe

Imagine you have a balloon that has just been blown up and tied.

5. What is inside the balloon? What state of matter is it?
   ____________________________________________________________
6. Describe one property of the balloon itself (the rubber part).
   ____________________________________________________________
7. What would happen to the shape of the gas inside if you let it out of the balloon?
   ____________________________________________________________

Part J: What Would Happen If?

Use your scientific thinking to answer these questions.

8. What would happen if your shoes were made of glass? Give one reason for your answer.
   ____________________________________________________________
9. What would happen if you tried to build a boat out of paper? Why?
   ____________________________________________________________
10. Imagine a world with no non-living things. Describe one thing that would be missing.
    ____________________________________________________________

Answer Key

Objective Questions

Part A: True or False

1. False
2. True
3. False
4. False
5. False
6. True
7. True
8. True
9. True
10. False

Part B: Multiple Choice

11. C. Rock
12. A. Mountain
13. C. Gas
14. B. Transparent
15. B. A plant
16. A. Solid
17. C. Bicycle
18. B. Sheep
19. C. Plastic
20. B. Container
21. B. They are made of metal.
22. B. It is hard and shiny.
23. B. A wooden door
24. C. Gases
25. B. Wood and graphite

Part C: Fill in the Blanks

26. living
27. non-living
28. natural
29. solid
30. gas
31. man-made
32. liquid
33. materials
34. soft
35. breathe

Part D: Matching

36. C
37. A
38. E
39. B
40. D

Short Answer Questions

(Note: Some answers may vary slightly but should reflect the same core understanding.)

Part E: What Am I?

1. A tree
2. A pencil
3. Water
4. A car
5. Air

Part F: Give Two Examples

6. (Sample answers) cat, tree, flower, dog, human, fish
7. (Sample answers) rock, chair, table, book, water
8. (Sample answers) bottle, toy, bag, container
9. (Sample answers) sun, river, mountain, rock, tree
10. (Sample answers) desk, rock, pencil, book, ice

Part G: Answer in One or Two Sentences

11. It is not made by people; it forms naturally in the atmosphere.
12. It does not breathe, grow, or need food.
13. (Sample answer) A plant makes its own food, while an animal eats other things for food. / An animal can move around, but a plant is fixed in one place.
14. (Sample answer) It is hard / It is opaque / It floats in water.
15. It turns into a solid called ice.
16. Honey is a thick liquid.
17. (Sample answer) It is strong and hard, which protects the people inside.
18. A natural thing is found in nature and not made by humans. A man-made thing is created by people.
19. (Sample answer) Water / Air / Sunlight (for plants) / Food.
20. Because it is a solid, its particles are packed tightly together and you cannot pass through it.

Problem Solving

Part H: Sorting and Classifying

1. Living: fish, flower, bird, tree
   Non-living: table, sun, car, pencil, computer, river
2. 4
3. Natural: sun, river
   Man-made: table, car, pencil, computer
4. 4

Part I: Observe and Describe

5. Air is inside the balloon. It is a gas.
6. (Sample answer) It is stretchy / It is flexible / It is smooth.
7. It would spread out to fill the room and would no longer have a fixed shape.

Part J: What Would Happen If?

8. (Sample answer) They would break easily because glass is brittle.
9. (Sample answer) It would get wet, become soft, and sink because paper absorbs water.
10. (Sample answer) Houses would be missing. / Books would be missing. / Computers would be missing. (Any man-made or natural non-living object is a correct answer).