Weathering

1. The process of breaking up rocks on Earth's surface is called....

• sediment
• weathering
• erosion
• deposition

2. How does freezing water cause the weathering of rocks? the freezing water ....

• keeps the rocks in place
• makes the rocks last longer
• expands cracks and breaks rocks
• causes rocks to fall in landslides

3. Acid rain causes the statue is wearing down. The type of weathering act on the statue is ....

• chemical weathering
• mechanical weathering
• biological weaathering
• technical weathering

4. Which of the following is an example of mechanical/physical weathering?

• 
• 
• 
• 

5. Weeds growing into the cracks in a sidewalk and the sidewalk begins to crumble is an example of....

• mechanical weathering
• biological weathering
• chemical weathering
• technical weathering

6. Potholes forming in the road after cold winter is an example of....

• physical/mechanical weathering
• chemical weathering
• biological weathering
• erosion weathering

7. A metal statue slowly turning green after years of being outside is an example of ....

• physical/mechanical weathering
• chemical weatherin
• biological weathering
• erosion weathering

8. A piece of sandstone changing color (from brown to rusty red) from exposure to water and air is an example of ....

• physical/mechanical weathering
• geographical weathering
• chemical weathering
• biological weathering

9. The formation of stalactites and stalagmites in a cave as water mixed by carbon dioxide creates carbonic acid, is classified as the type of ....

• chemical weathering
• biological weathering
• physical/mechanical weathering
• geographical weathering

10. Lichen (small green plants) growing on a large boulder release enzymes and other acids that slowly break the rock apart. This is an example of ....

• biological weathering
• chemical weathering
• physical/mechanical weathering
• natural weathering