Science Year 9

2. The study of the properties and behaviour of matter.
4. A line around the earth.
5. A type of rock from the transformation of existing rock to new types of rock.
9. Electromagnetic radiation within the portion of the electromagnetic spectrum that is perceived by the human eye.
10. A subatomic particle whose electric charge is negative.
11. A vibration that propagates as an acoustic wave. Heat The transfer between 2 materials of different temperatures.
12. The saltiness of water.
17. The sugar inside the body.
18. Used to describe the size or extent of movement.
21. A large collection of flora and fauna.
23. The ability of an organism to keep its body temperature within a certain boundary.
24. A messenger system of the body.

1. A type of rock that's formed by the accumulation or deposition of mineral or organic particles.
3. The murkiness of water.
6. The study of matter and its motion and behaviour.
7. A sudden violent shaking that has 3 stages the 2nd being the worst.
8. The study of human anatomy.
10. Consists of all the organisms and the physical environment which they interact in.
13. A network of cells, tissues and organs and the substances they make that help the body fight off diseases.
14. The study of relationships with organisms and their environment
15. The floor of the ocean.
16. A subatomic particle that has a charge that is neutral.
19. The study of both the liquids and solids of the earth.
20. The network of cells and fibres which transmit nerve impulses to the brain.
22. A type of rock formed through the cooling and solidification of magma or lava.