Ques: Chemical weathering increases as: Temperature increases: Chemical reactions proceed more rapidly at higher temperatures.  John was combining chemicals in his lab one day. If he were to decrease the temperature in his lab, what would happen to the rate of chemical reactions in his experiments increase or decrease?
Ans: decrease

Ques: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.  Sean is trying to see how fast the water molecules are moving in a container of water. He observes that the molecules are moving very quickly, so the temperature must be cool or warm?
Ans: warm

Ques: The stratosphere contains the ozone layer, the temperatures increase as altitude increases.  When in the stratosphere, Dean can tell that the temperature is getting cooler as the altitude he is at increases or decreases?
Ans: decreases

Ques: The upper rock layers are much younger.  Sarah is looking at layers of rock on a cliff face. She can see that the rock at the very bottom of the cliff are older or younger?
Ans:
older