Unit 5: Weathering and Erosion

How does freezing water cause the weathering of rocks?  The freezing water—

• keeps the rocks in place.
• makes the rocks last longer.
• expands cracks and breaks rocks.
• causes rocks to fall in landslides.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

What is the process that picks up and moves weathered rocks?

• Erosion
• Landslide
• Weathering

Tags

NGSS.4-ESS2-1

Which of the following is NOT a type of chemical weathering?

• water
• carbon dioxide
• ice wedging
• living organisms secreting acid to break down rocks

Tags

NGSS.MS-ESS2-2

Rock that have been broken down and eroded by wind (blowing sand), have been weathering by __________ abrasion

• mechanical
• chemical
• differential
• sloping

The dissolving of a rock in water that contain weak acid is an example of

• mechanical weathering
• chemical weathering
• oxidation
  
• differential weathering

A rusty car has undergone chemical weathering due to

• oxidation
• abrasion
• ice wedging
• differential

What type of landscape would have the highest rate of erosion?

• small hill

• flat topped plateau

• steep mountain

• dry river bed

Humus is organic material that is ____.

• dark in color

• light in color

• has a basic pH

• made of sand

What type of erosion has the largest impact on dunes?

• Wind

• Water

• Gravity

• Ice

A wide, sloping deposit of sediment formed where a stream leaves a mountain range and deposits onto land.

• flood plain

• delta

• alluvial fan

• gully

Tags

NGSS.MS-ESS2-2