1. What happens to a rock when it is exposed to higher temperature?
a. expands c. evaporates
b. contracts d. sinks

2. What causes weathering by scratching on the rocks’ surface as they walk or run around?
a. animals c. water
b. plants d. wind

3. What is an open-pit mine where rocks can be extracted?
a. open-field c. quarry
b. landfill d. reservoir

4. What type of weathering involves change in the composition of the rock?
a. both chemical and mechanical c. mechanical
b. chemical d. none of the above

5. It is the breaking down of rocks into fragments.
a. erosion c. landslides
b. flooding d. weathering