Ch 05.1: Weathering

The process that occurs when physical forces break rock into smaller pieces without changing the rock’s chemical composition is called ___.

• exfoliation

• chemical weathering

• mechanical weathering

• erosion

Which of the following weathering processes involves the constant freezing and thawing of water?

• unloading

• exfoliation

• frost wedging

• spheroidal weathering

Tags

NGSS.MS-ESS2-4

Which of the following is NOT associated with mechanical weathering?

• frost wedging

• unloading

• biological activity

• reactions with oxygen

What is responsible for the formation of exfoliation domes?

• frost wedging

• biological activity

• reactions with oxygen

• unloading

What type of mechanical weathering is most common in mountainous regions in the middle latitudes?

• frost wedging

• biological activity

• oxidation

• unloading

When water freezes, its volume...

• ...decreases slightly.

• ...increases.

• ...stays the same.

• ...decreases greatly.

Tags

NGSS.MS-PS1-4

Which of the following is NOT related to chemical weathering?

• frost wedging

• dissolution

• reactions with oxygen

• reactions with water

The gradual rounding of the corners and edges of angular blocks of rock is called ___.

• exfoliation

• unloading

• spheroidal weathering

• mechanical weathering

Tags

NGSS.MS-ESS2-2

Which of the following is the result of chemical weathering?

• a rock that has been changed into one or more new compounds

• a rock that has been broken into tiny pieces

• a rock that has been split in two

• a rock that has lost its outer layers

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The chemical weathering of feldspar produces ___.

• quartz

• iron oxide

• clay minerals

• calcium carbonate