Weathering

The loose covering of broken rock particles and decaying organic matter overlaying the bedrock of Earth's surface is called ________

• soil

• oxidation

• humus

• runoff

Water has the power to split rocks because when it freezes, it ______

• evaporates

• contracts

• expands

• oxidizes

Tags

NGSS.MS-PS1-4

Which of the following sedimentary rocks is commonly chemically weathered?

• mudstone

• limestone

• sandstone

• granite

Tags

NGSS.MS-ESS2-4

Chemical weathering is most likely to take place in environments that are _____

• wet

• dry

• cold

Tags

NGSS.MS-ESS2-4

Mechanical weathering produces ______________

• quartz

• clay minerals

• smaller particles

• calcium carbonate

The rate of chemical weathering is increased by acids. The most common natural acid on the Earth's surface is _____

• sulfuric acid

• hydrochloric acid

• carbonic acid

• nitric acid

Which of the processes is not an example of chemical weathering?

• dissolution of calcite

• breaking down of feldspar to form clay

• splitting of a rock along a fracture

• rusting of a nail

As a rock breaks into smaller pieces, the surface area to volume ratio _____

• increases

• decreases

• stays the same

The deep red color of rocks found in Australia and other warm, humid regions is caused by __________________

• reduced iron oxided

• oxidized iron oxides

• quartz

• feldspar

Erosion is___________

• the only way to break down rocks

• the movement of rock particles by wind, water, ice, and gravity

• a process that only involves water

• the process that breaks down rock and other substances at the Earth's surface

Tags

NGSS.MS-ESS2-2