Factors affecting weathering

Which is a cause of weathering?

• Water

• Waves

• Wind

• Gravity

• All of the above

Which two factors MOST affect the rate at which weathering occurs?

• climate and mass of rock

• climate and size of rock

• type of rock and size of rock

• type of rock and climate

Which type of climate would cause the greatest rate of weathering?

• Cold and dry
• Cold and humid (wet)
• Warm and humid (wet)
• Warm and dry

The statue of liberty is made of copper. It was originally brown but has since turned green. This is probably due to _______.

• Oxygen
• Acid Rain
• Carbon Dioxide
• Humans

As a particle of sediment in a stream breaks into several smaller pieces, the rate of weathering of
the sediment will:

• increase due to a decrease in surface area
• decrease due to an increase in surface area
• increase due to an increase in surface area
• decrease due to a decrease in surface area

5lbs of pebbles weather more quickly than one 5lb rock because, compared to their volume, the surface area of the pebbles is

• thinner

• larger

• smaller

• thicker

Which of the following affects the weathering rate?

• climate

• particle size

• water

• all of the above

Chemical weathering is most rapid in area that are

• hot and dry
• warm and wet (humid)
• cold and dry
• cold and wet (humid)

Rust is produced by the oxidation of

• iron
• wood
• tennis ball
• bicycle tire(rubber)

What process breaks down rocks into smaller pieces by physical means?

• Chemical Weathering

• Acid Precipitation

• Mechanical Weathering

• Differential Weathering