Front

What are rocks at the top of a mountain like?

Back

Rocks at the top of a mountain are more jagged.

Front

Why might the top of mountains break apart?

Back

The top of mountains might break apart because it's much colder at the top.

Front

What is the process where frozen water splits rocks called?

Back

The process is called ice wedging.

Tags

NGSS.MS-ESS2-2

Front

Why did the Mayans sweep the brick cracks in the pyramids?

Back

They swept the cracks to keep seeds out of them.

Front

Which is more powerful: ice wedging or root wedging?

Back

Ice wedging is more powerful.

Tags

NGSS.MS-ESS2-2

Front

What is ice wedging?

Back

Ice wedging is a process where water freezes in rock cracks, expands, and causes the rocks to break apart.

Tags

NGSS.MS-ESS2-2

Front

What effect does wind have on mountains?

Back

Wind can erode the surface of mountains, wearing them down over time.

Tags

NGSS.MS-ESS2-2

Front

How does temperature affect mountain rocks?

Back

Temperature changes can cause rocks to expand and contract, leading to cracks and breaks.

Tags

NGSS.MS-PS1-4

Front

What role do plants play in breaking down mountains?

Back

Plants can contribute to rock breakdown through root wedging, where roots grow into cracks and split the rocks.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from one location and transported to another.

Tags

NGSS.MS-ESS2-2