Chapter 2: Earth's Physical Systems

2. A type of rock from cooled magma
7. Animals that produce their own food
8. The process of an autotroph turning light energy into chemical energy
10. Compounds consisting of carbon atoms
11. Combinations of two or more atoms
12. Long chains of organic compounds called amino acids
13. Thermal Energy beneath the Earth's surface
14. Acid Acids that direct the production of proteins
17. All material that has mass and occupies space
18. Smallest unit that contain chemical properties of the element
19. The nature of energy will change from a state of more order to a state of less order
26. A type of element that can decay and change is chemical identity
27. Any naturally occurring solid element or inorganic compound
28. Plates grind against each other
30. Carbon atoms bonded together in long chains
31. electrically charged atoms
32. A positively charged particle
33. A solution where H+ concentrations are greater than OH- concentrations
37. Energy of motion

1. The total energy in the universe is remains constant and is conserved
3. atoms of carbon and hydrogen
4. A fundamental type of matter that cannot be broken down
5. A molecule composed of two or more different elements
6. Matter can be created but not destroyed
9. The amount of time it takes for one half the atoms to give off radiation and decay
15. Plates collide
16. molecules of large size
19. Particles of rock
20. Tectonic plates pull apart
21. Rock that has been compressed stretched or bended
22. A particle with no charge
23. Rock formed by sediments
24. Organisms that gain their energy by feeding on other organisms
25. A collection of minerals
29. Energy of position
34. Atoms with of the same element but have different numbers of neutrons
35. Rocks are heated, melted, cooled, broken down, and reassembled
36. A solution where H+ concentrations are less than OH- concentrations