Magic School Bus Rocks and Rolls

Front

Statues can be sculpted from __________.

Back

Rock, marble, or other materials.

Front

__________ is smaller than gravel and was made by water erosion.

Back

Sand.

Front

What did Captain Walker's statue look like after being eroded?

Back

A pile of rocks.

Front

What is the main cause of erosion in the story?

Back

Water.

Front

What happened to the glass jar filled with water when it was frozen?

Back

It cracked.

Front

Define erosion.

Back

The process by which natural forces move weathered rock and soil from one place to another.

Front

What are the main agents of erosion?

Back

Water, wind, ice, and gravity.

Front

Explain how water causes erosion.

Back

Water can wear away rocks and soil through movement and chemical processes.

Front

What is a boulder?

Back

A large rock that has been weathered and eroded.

Front

What is the difference between sand and gravel?

Back

Sand is smaller than gravel and is formed by the erosion of rocks.