science 2022

6. an animal that only eats meat
7. the outer layer of the earth
8. movement around an orbit
12. the smallest form of life on the earth
14. a number of food chains joined together
16. substances such as coal, oil and natural gas
18. the process of moving weathered rock or soil from one place to another
19. the force of attraction that exists between any two bodies in the universe that have mass

1. change state from liquid to gas
2. point around which a leaver turns
3. a animal that only eats plants
4. waste water from the toilet system of the household
5. small organisms that break down dead and decaying matter
9. a force which keeps objects floating
10. devices that make a physical task easier
11. a complex mixture of the products of weathering and organic matter, both living and dead
13. a very small particle that makes up all things
15. material produced by living organisms
17. a visible collection of small water droplets in the air at ground level