Distinguishing Physical and Chemical Weathering

What is weathering?

• A process that involves both physical and chemical changes in rocks.

• A process that involves biological changes in rocks.

• A process that only involves chemical changes in rocks.

• A process that only involves physical changes in rocks.

What is another term for physical weathering?

• Chemical weathering

• Biological weathering

• Mechanical weathering

• Thermal weathering

Which of the following is NOT a cause of abrasion?

• Wind

• Water

• Sunlight

• Plants

What causes frost wedging?

• Expansion of water as it freezes

• Expansion of rocks due to heat

• Contraction of water as it freezes

• Contraction of rocks due to cold

Tags

NGSS.MS-ESS2-4

What is thermal stress?

• Expansion and contraction of rocks due to temperature changes

• Chemical reaction between rocks and oxygen

• Formation of clay from rock

• Expansion of water as it freezes

Tags

NGSS.MS-PS1-4

Which of the following is an example of physical weathering?

• Clay formation from rock

• Rock breaking due to frost wedging

• Rust formation on rocks

• Formation of stalactites in caves

What is oxidation in the context of chemical weathering?

• Replacement of an ion in a compound by hydrogen

• Physical scraping of rocks by wind

• Combination of oxygen with minerals to form new compounds

• Reaction of carbon dioxide with rain

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the result of hydrolysis in rocks?

• Formation of stalactites

• Formation of clay

• Formation of rust

• Formation of sand

Tags

NGSS.MS-ESS2-1

What causes the formation of stalactites and stalagmites in caves?

• Hydrolysis

• Oxidation

• Carbonation

• Abrasion

Tags

NGSS.MS-ESS2-2

Which process involves the replacement of an ion in a compound by hydrogen?

• Carbonation

• Oxidation

• Abrasion

• Hydrolysis