Weathering

Weathering causes rocks and minerals to break into smaller pieces.  Which event is the best example of weathering?

• a raindrop splashing in a lake
• a snowball rolling down a mountain
• a tree root growing into the crack of a rock

Physical weathering is also known as ______________ weathering.

• chemical
• mechanical
• breakdown
• heat

Which kind of weathering involves the breakdown of rocks through direct contact with atmospheric conditions such as heat, water, ice and pressure?

• physical
• chemical

Which kind of weathering is the transformation of rock into one or more compounds?

• physical
• chemical

Which of these can not cause physical weathering?

• wind
• ice
• plants
• acid rain

What type of weathering does this image display?

• physical
• chemical

What type of weathering does this image display?

• physical
• chemical

What type of weathering does this image display?

• physical
• chemical

What type of weathering does this image display?

• physical
• chemical

What type of weathering does this image display?

• physical
• chemical