Physical/Chemical Weathering

What is ice wedging

• A type of Erosion
• A type of precipitation
• A type of mechanical weathering
• A type of chemical weathering

What is acid rain?

• a type of rain associated with physical weathering
• a type of rain that falls in humid areas
• a type of rain that has vinegar in it
• a type of weathering caused from burning fossil fuels.

Weathering is

• a process of carrying away weathered materials to a new location
• A process of that breaks down rocks into smaller piesces
• A process that deposits rock fragments in a new location
• A process that transports weathered materials away

A plant can cause____________ weathering

• physical
• chemical
• both physical and chemical

Grinding away of rock particles by wind or water is called

• oxidation
• abrasion
• sandblasting
• erosion

Ice wedging occurs when water filling a crack in a rock

• flows out and then freezes
• freezes and contracts
• freezes and expands
• flows out and causes abrasion

Which part of a mountain weathers most quickly?

• all parts weather equally
• the center
• the bottom
• the top

How do lichens slowly break down a rock?

• mechanical weathering
• chemical weathering
• erosion by water
• physical weathering

Which climate would chemical weathering take place in most rapidly?

• cold and humid
• cold and dry
• hot and humid
• hot and dry

What's the difference between weathering and erosion?

• weathering breaks down rocks into smaller pieces; erosion drops it off
• weathering drops it off; erosion moves it
• they are the same
• weathering breaks it down into smaller pieces; erosion moves it