PhD Science Grade 4 Module 1 Concept 2 Flashcard

Front

What is material from broken down rocks called?

Back

Sediment

Front

Which layer of rock is typically the oldest?

Back

Layer F

Front

Which of the following does NOT cause weathering of rocks?

Back

Scissors

Front

Will Earth's surface ever stop changing?

Back

No, it will never stop.

Front

What natural process can cause erosion?

Back

Flowing water

Front

What is weathering?

Back

The process of breaking down rocks into smaller pieces.

Front

What is erosion?

Back

The movement of sediment from one place to another.

Front

What role do plants play in weathering?

Back

Plants can break down rocks through their roots.

Front

What is deposition?

Back

The process where sediment is laid down in new locations.

Front

What is mass wasting?

Back

The movement of soil and rock down a slope due to gravity.