Weatherization

Which of the following is an agent of physical weathering? (a)  

• Oxygen in the air
• Chemical reactions
• Acids
• Temperature changes

What are the two kinds of weathering? (a)  

• Melting and freezing
• Physical and chemical
• Mechanical and biological
• Erosion and deposition

What is physical weathering?

• The process of breaking down rock into smaller pieces by physical changes
• The breakdown of rocks by chemical reactions
• The wearing away of rock material by the mechanical action of other rock
• The process of combining chemicals with oxygen

What is chemical weathering?

• The breakdown of rocks by chemical reactions
• The process of breaking down rock into smaller pieces by physical changes
• The process of combining chemicals with oxygen
• The wearing away of rock material by the mechanical action of other rock

What is weatherization?

• The process of breaking down rock into smaller pieces by physical changes
• The breakdown of rocks by chemical reactions
• The wearing away of rock material by the mechanical action of other rock
• The way people adapt to climate changes

What is oxidation?

• The process of breaking down rock into smaller pieces by physical changes
• The breakdown of rocks by chemical reactions
• The process of combining chemicals with oxygen
• The wearing away of rock material by the mechanical action of other rock

Which of the following is an agent of chemical weathering? (a)  

• Gravity
• Oxygen in the air
• Temperature changes
• Pressure changes

What is acid precipitation?

• The breakdown of rocks by chemical reactions
• The wearing away of rock material by the mechanical action of other rock
• When stronger acids fall to Earth
• The process of breaking down rock into smaller pieces by physical changes

What is abrasion?

• The process of breaking down rock into smaller pieces by physical changes
• The wearing away of rock material by the mechanical action of other rock
• The process of combining chemicals with oxygen
• The breakdown of rocks by chemical reactions