Front

What is physical weathering?

Back

When something is broken down into something smaller without changing its chemical composition.

Front

What is the process that breaks down rocks and other materials on Earth's surface?

Back

Weathering

Front

What was sand before it was broken down?

Back

Rock

Front

What caused this rock to break apart?

Back

Plant

Front

Is this an example of physical or chemical weathering?

Back

Physical

Front

What is erosion?

Back

The process of moving weathered rock and soil from one place to another.

Front

What is chemical weathering?

Back

When rocks are broken down by changing their chemical composition.

Front

What role does water play in weathering?

Back

Water can cause both physical and chemical weathering.

Front

What is an example of erosion?

Back

Rivers carrying away soil and rocks.

Front

How do plants contribute to weathering?

Back

Plant roots can grow into cracks in rocks and break them apart.