Weathering - part 1

6. What happens when temperature changes repeatedly? a) The rock expands and contracts, causing it to break b) The rock becomes stronger c) The rock dissolves into the soil d) The rock melts and reforms

3. The process by which rock is broken down into smaller pieces by physical changes is called ________ weathering

3. Physical weathering does NOT change the rock’s ________. a) Shape b) Size c) Chemical composition d) Structure

4. ________ occurs when water seeps into cracks, freezes, expands, and breaks rocks apart.

10. What would most likely happen if a large rock were split into smaller pieces? a) The rate of weathering would increase because more surface area is exposed. b) The rate of weathering would decrease because the rock is smaller. c) The

1. What is weathering? a) The movement of rocks by wind and water b) The breakdown of rocks by physical and chemical processes c) The process of forming new rocks d) The melting of rocks due to high temperature

4. What happens to a rock when it undergoes physical weathering? a) It breaks down into smaller pieces b) It changes into a completely new substance c) It melts and reforms d) It becomes harder and stronger

5. What is the main cause of ice wedging? a) Rocks heating up and cooling down b) Water entering cracks in rocks and freezing c) The weight of glaciers crushing rocks d) The impact of falling rocks

1. The breakdown of rock material by physical and chemical processes is called ________.

2. The two types of weathering are ________ and ________.