Weathering (9SOS)

Physical weathering is also known as ____________ weathering.

• thermal

• mechanical

• chemical

• erosive

What type of weathering is happening in this image?

• freeze-thaw weathering

• root action weathering

• exfoliation weathering

• carbonation solution weathering

Draw the shape of a valley that was caused by fluvial erosion.

What type of weathering is happening in this picture? (Hint: 2 words with a dash in the middle)

True or false? Hydraulic action occurs when the sea pushes against a rock, pushing sediment such as sand into the gap in the rock causing it to expand.

• True

• False

In abrasion (also known as corrasion), material that is being carried by the flow of water acts like sandpaper against a rock. What name is given to the sediment that acts like sandpaper? (Hint: It starts with L)

An example given of how a type of weathering works is shown below. What type of erosion is being described here?

This type of erosion is just like when you make a hot chocolate. The powder will float in the liquid until it is stirred, causing it to dissolve into the liquid.

• solution

• attrition

• abrasion

• hydraulic action

Draw a diagram showing glacial plucking. Kit Kat alert! A chocolate for the best diagram.

Which of the following things would be most effective to combat a sand dune being damaged by wind erosion?

• humans staying off of sand dunes

• people being allowed to drive on the beach

• ensuring wind farms are not located next to the beach

• vegetation being planted in the dune.

Which of the statements below is true?

• Rocks retract in the heat of the day and expand in the coolness of night.

• Rocks expand in the heat of the day and retract in the coolness of night.

• Rocks do not expand or retract.

• Only the top layer of rock expands and retracts.