Science one-word quiz

Write a one-word answer for each question.

1. The organ we use for seeing

2. The star at the centre of our solar system

3. Animals that eat both plants and animals are called

4. The planet we live on

5. The force that pulls objects towards the Earth

6. The instrument used to measure temperature

7. The organ that pumps blood around the body

8. The layer of air around the Earth

9. The natural satellite of the Earth

10. The process by which green plants make their food

11. The planet famous for its bright rings

12. Animals that eat only other animals are called

13. Frozen water is called

14. The part of a plant that absorbs water from the soil

15. The green pigment in leaves

16. Water changing into vapour is called

17. The organ we use for hearing

18. The hard natural substance that is the hardest known

19. Water vapour changing back into liquid water

20. The largest planet in the solar system

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