Science Worksheet for 8-Year-Olds | 20 Objective & 10 Subjective Questions

Instructions

Read each question carefully. For the first section, circle the best answer. For the second section, write your answer on the line provided. Try your best and have fun!

Part 1: Circle the Correct Answer

1. What part of a plant soaks up water and nutrients from the soil?
   a) Leaves     b) Stem     c) Roots


2. Which of these is a liquid?
   a) A rock     b) Milk     c) A cloud


3. An animal that only eats plants is called a(n):
   a) Carnivore     b) Herbivore     c) Omnivore


4. What is the center of our solar system?
   a) The Earth     b) The Moon     c) The Sun


5. What force pulls you back to the ground when you jump?
   a) Magnetism     b) Gravity     c) Friction


6. What do you call a baby frog?
   a) A puppy     b) A kitten     c) A tadpole


7. Which of these is NOT a season?
   a) Summer     b) Monday     c) Winter


8. How many legs does an insect have?
   a) Six     b) Eight     c) Four


9. When water turns into ice, it is:
   a) Melting     b) Evaporating     c) Freezing


10. What gas do humans breathe out that plants use?
    a) Oxygen     b) Carbon Dioxide     c) Helium

Part 2: True or False?

Circle True or False for each sentence.

11. The Moon creates its own light.
    True / False


12. A magnet can attract a plastic toy.
    True / False


13. Sound is made by vibrations.
    True / False


14. A caterpillar turns into a butterfly.
    True / False


15. Your skeleton helps to protect your organs.
    True / False

Part 3: Matching

Match the science word to its meaning. Write the correct letter on the line.

16. _____ Habitat
17. _____ Predator
18. _____ Evaporation
19. _____ Orbit
20. _____ Conductor

• A. When liquid water turns into a gas (water vapor).
• B. An animal that hunts other animals for food.
• C. The natural home or environment of an animal or plant.
• D. A material that heat or electricity can pass through easily.
• E. The curved path that a planet takes around the sun.

Part 4: Short Answers

Write your answer in a complete sentence.

1. Name two things a plant needs to make its own food.
   ____________________________________________________________________


2. What are the three main states of matter?
   ____________________________________________________________________


3. Why is the Sun important for life on Earth?
   ____________________________________________________________________


4. What is one way to protect our environment?
   ____________________________________________________________________


5. Name one of your five senses and the body part you use for it.
   ____________________________________________________________________


6. What causes day and night on Earth?
   ____________________________________________________________________


7. Give an example of an animal that hibernates in the winter.
   ____________________________________________________________________


8. What is the difference between a solid and a liquid?
   ____________________________________________________________________


9. Name one planet in our solar system besides Earth.
   ____________________________________________________________________


10. What happens to water in a puddle on a hot, sunny day?
    ____________________________________________________________________

Answer Key

Part 1: Circle the Correct Answer

1. c) Roots
2. b) Milk
3. b) Herbivore
4. c) The Sun
5. b) Gravity
6. c) A tadpole
7. b) Monday
8. a) Six
9. c) Freezing
10. b) Carbon Dioxide

Part 2: True or False?

11. False
12. False
13. True
14. True
15. True

Part 3: Matching

16. C
17. B
18. A
19. E
20. D

Part 4: Short Answers (Sample answers are provided)

1. A plant needs sunlight and water (or carbon dioxide) to make its food.
2. The three main states of matter are solid, liquid, and gas.
3. The Sun gives us heat and light, which plants and animals need to live.
4. One way to protect our environment is to recycle, reduce waste, or plant trees.
5. Sense of sight uses eyes. (Other answers: hearing/ears, smell/nose, taste/tongue, touch/skin).
6. The spinning (rotation) of the Earth causes day and night.
7. A bear hibernates in the winter. (Other answers: bats, groundhogs, etc.).
8. A solid keeps its own shape, but a liquid takes the shape of its container.
9. Mars is another planet in our solar system. (Any other planet is acceptable).
10. The water evaporates, which means it turns into a gas and goes into the air.