Science one-word quiz

Write a one-word answer for each question.

1. The powerhouse of the cell

2. The process by which a seed starts to grow into a plant

3. The planet we live on

4. The SI unit of mass

5. Water vapour changing back into liquid water

6. Animals with a backbone are called

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

8. The instrument used to measure atmospheric pressure

9. The planet famous for its bright rings

10. The instrument used to measure temperature

11. The largest planet in the solar system

12. Animals that eat only other animals are called

13. Bases turn red litmus paper this colour

14. The change of a solid directly into a gas

15. Animals without a backbone are called

16. Animals that eat both plants and animals are called

17. Splitting of white light into seven colours is called

18. The pigment in red blood cells that carries oxygen

19. The transfer of pollen from anther to stigma

20. The SI unit of electric current

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