Term One

3. A positive subatomic particle found inside the nucleus of atoms
4. The number of protons in an atom
7. The center of the Earth
9. One example of a state of matter
10. A feature that might appear near plate boundaries
13. The symbol for lithium
14. The name given to the plates that make up the crust
16. A process where rocks are broken down by physical or chemical means
18. Colour of light given off when magnesium reacts with oxygen
20. A neutral subatomic particle found inside the nucleus of atoms
22. Negative subatomic particles that orbit the nucleus of atoms
23. The type of table used to show all the elements that exist
25. A type of compound that forms when a positive ion and a negative ion combine in a reaction

1. A type of plate interaction where one plate moves under another
2. Types of circular currents that occur when hot molten rises, cools, falls causing the crust to move
5. Protons and neutrons combined
6. Part of an experiment where you analyse what worked and what could be improved on
8. Evidence of plant and animal matter preserved in rocks
11. A metal that bonds with carbon and oxygen. Also known as marble
12. An atom that has lost or gained electrons
15. The variable that is measured when carrying out an experiment
17. Evidence of a gas produced during a chemical reaction
19. Used when writing chemical equations
21. Another word for a chemical that is added in a reaction
24. Frozen carbon dioxide