Physical and chemical weathering

Multiple Choice

Ripping Paper

• Physical Change

• Chemical Change

Multiple Choice

Burning Paper

• Physical Change

• Chemical Change

Multiple Choice

Rust on a can

• Physical Change

• Chemical Change

Multiple Choice

Crushing a can

• Physical Change

• Chemical Change

Multiple Choice

What happens in ice wedging?

• Water rubs on rocks

• Wind rubs on rock

• Plants roots break apart the ground as they grow

• Water freezes in cracks to break apart rocks

Multiple Choice

Root Wedging is when...

• Plants break apart rocks

• Water rubs on rocks

• wind rubs sand and rock

• water fills cracks and freezes

Multiple Choice

Which is not a type of abrasion?

• Glacial

• Water

• Wind

• Ice Wedging

Multiple Select

Which are examples of Chemical Weathering?

• Oxidation (Rust)

• Acid Rain

• Ice Wedging

• Wind Abrasion

Multiple Choice

Physical weathering is defined as...

• Wear and tear on rocks primarily by forces.
• Wear and tear on rocks primarily by weather.
• Wear and tear on rocks primarily by reactions with water.
• All of the above.

Multiple Choice

Chemical weathering is defined as...

• Wear and tear on rocks primarily by forces.
• Wear and tear on rocks primarily by weather.
• Wear and tear on rocks primarily by reactions with water.
• All of the above.

Multiple Choice

The picture shown is an example of what type of weathering?

• Physical - Root Action
• Physical - Abrasion
• Chemical - Root Action
• Chemical - Abrasion

Multiple Choice

The picture shows a cave made into limestone from acidic rainwater. This is an example of what type of weathering?

• Physical - Oxidation
• Physical - Carbonation
• Chemical - Oxidation
• Chemical - Carbonation

Multiple Choice

The picture shows ice breaking apart a piece of solid bedrock. This is an example of what type of weathering?

• Physical - Frost Action
• Physical - Carbonation
• Chemical - Frost Action
• Chemical - Carbonation

Multiple Choice

The picture shows rocks falling down a cliff. This is an example of what type of weathering?

• Physical - Root Action
• Physical - Abrasion
• Chemical - Root Action
• Chemical - Abrasion

Multiple Choice

The picture shows rusted iron sediments that were exposed to water. This is an example of what type of weathering?

• Physical - Oxidation
• Physical - Carbonation
• Chemical - Oxidation
• Chemical - Carbonation

Multiple Choice

Physical weathering changes...

• the shape AND the composition of rocks.
• the shape BUT NOT the composition of rocks.
• the composition BUT NOT the shape of rocks.
• NEITHER the shape NOR the composition of rocks.

Multiple Choice

Chemical weathering changes...

• the shape AND the composition of rocks.
• the shape BUT NOT the composition of rocks.
• the composition BUT NOT the shape of rocks.
• NEITHER the shape NOR the composition of rocks.

Multiple Choice

A necessary ingredient for chemical weathering is...

• water
• carbon dioxide
• oxygen
• methane

Multiple Choice

ARID environments may have lots of...

• BOTH chemical and physical weathering
• physical BUT NOT chemical weathering
• chemical BUT NOT physical weathering

Multiple Choice

The picture shows a limestone statue that has been weathered. This is an example of what type of weathering?

• Physical - Acid Precipitation
• Physical - Abrasion
• Chemical - Acid Precipitation
• Chemical - Abrasion

Multiple Choice

The picture shows a sinkhole that has opened up in limestone bedrock under a city. This is an example of what type of weathering?

• Physical - Carbonation
• Physical - Abrasion
• Chemical - Carbonation
• Chemical - Abrasion

Multiple Choice

What is the breaking up of rocks into smaller pieces without changing the chemistry of it?

• physical weathering
• chemical weathering

Multiple Choice

What is the process in which rock is broken down by changes in its chemical makeup?

• physical weathering
• chemical weathering

Multiple Choice

Agents of physical weathering include _________, plant, and animal actions.

• temperature changes
• oxidation 
• fossil fuels
• deterioration

Multiple Choice

What agent of chemical weathering, causes rocks to break down and change composition?

• burrowing animals 
• roots of plants
• acid rain
• wind abrasion 

Multiple Choice

Physical weathering can be caused by water or wind and is also known as...

• mechanical weathering
• chemical weathering

Multiple Choice

An increase in temperature will cause ____ as its atoms move about more and atoms take up more space.

• rocks to expand
• rocks to contract

Multiple Choice

A decrease in temperature will cause a ________ as its atoms slow down and atoms take up less space.

• rocks to expand
• rocks to contract