Science one-word quiz

Write a one-word answer for each question.

1. Animals that eat only other animals are called

2. The gas we breathe in to stay alive

3. The planet closest to the Sun

4. The natural satellite of the Earth

5. Animals that eat both plants and animals are called

6. The instrument used to measure temperature

7. Animals that eat only plants are called

8. The force that pulls objects towards the Earth

9. The organ we use for hearing

10. The organ we use for seeing

11. The planet we live on

12. The organ that pumps blood around the body

13. The green pigment in leaves

14. The planet famous for its bright rings

15. The largest organ of the human body

16. Frozen water is called

17. The planet known as the Red Planet

18. Water vapour changing back into liquid water

19. The instrument used to see very tiny things

20. Water changing into vapour is called

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