Weathering Notes Practice

What is weathering?

• The process of freezing rock, soils, and minerals over a short period of time

• The process of melting rock, soils, and minerals over a short period of time

• The process of building up of rock, soils, and minerals over a long period of time

• The process of breaking down of rock, soils, and minerals over a long period of time

How does a river weather and erode a canyon?

• By depositing sediment into the canyon

• By creating sea caves through wave action

• By causing chemical changes to the limestone

• By carrying sediment from the rock walls downstream

What causes physical weathering by wind?

• Tree roots growing into cracks in rock

• Water and oxygen causing a chemical change

• Acidic water causing changes to limestone

• Sand colliding with rock surfaces

What causes physical changes to solid materials like asphalt, cement, or brick?

• Sand colliding with rock surfaces

• Water and oxygen causing a chemical change

• Acidic water causing changes to limestone

• Tree roots growing into cracks in rock

What causes a chemical change that turns iron into rust?

• Water and oxygen

• Sand colliding with rock surfaces

• Tree roots growing into cracks in rock

• Acidic water causing changes to limestone