Ques: Chemical weathering increases as: Temperature increases: Chemical reactions proceed more rapidly at higher temperatures.  Having read the above passage, choose the right answer to the following question (choices are increase or decrease ):   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.  Having read the above passage, choose the right answer to the following question (choices are cool or warm ):   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.  Having read the above passage, choose the right answer to the following question (choices are increases or decreases ):   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.  Having read the above passage, choose the right answer to the following question (choices are older or 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