1. unit 20 words & Definitions
dehydrate
endothermic
exothermic
geothermal
hydrate
1. (v) to remove or deprive of water
2. (adj) a chemical reaction that absorbs heat
3. (adj) a chemical reaction that gives off heat
4. (adj) relating to the earth’s heat
5. (v) to give water to something

2. unit 20 words & Definitions
6. (n) the lightest and most abundant element in the universe
hydrogen
hydrology
hydrophone
thermal
thermos
7. (n) the study of water
8. (n) a receiver that can pick up sounds traveling through water
9. (adj) involving heat
10. (n) a container used to hold liquid at a constant temperature