Weathering, Erosion, Deposition

Approximately how many people is Earth home to?

• Over 6 billion

• Over 7 billion

• Over 8 billion

• Over 9 billion

Tags

NGSS.MS-ESS3-4

Which of the following is a small-scale change that is constantly reshaping our planet?

• Earthquakes

• Water flow

• Volcanic eruptions

• Asteroid impacts

Tags

NGSS.MS-ESS2-2

What is an example of a large-scale shift that is constantly reshaping our planet?

• Urban development

• Deforestation

• Continental drift

• Seasonal weather changes

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

How does Earth's appearance seem from space?

• Always changing

• Consistently different

• Consistent

• Random and chaotic

What is weathering?

• The process of cleaning rocks

• The process of breaking down rocks and other materials on Earth's surface

• The process of forming new rocks

• The process of transporting rocks from one place to another

Tags

NGSS.MS-ESS2-2

What can cause weathering?

• Only water and air

• Only chemicals

• Only plants and animals

• Water, air, chemicals, plants, or animals

Tags

NGSS.MS-ESS2-2

How many main types of weathering are there?

• One

• Two

• Three

• Four

What are the two main types of weathering?

• Mechanical and biological weathering

• Chemical and biological weathering

• Mechanical and chemical weathering

• Biological and physical weathering

What does mechanical weathering do to rocks?

• Changes the chemical composition of rocks

• Breaks big rocks into smaller pieces

• Melts rocks into lava

• Combines small rocks into bigger ones

Which of the following is NOT a cause of mechanical weathering?

• Frost

• Plant roots

• Running water

• Acid rain