Unit 3: Changing Landforms (Chapter 2 Test)

An illustration that shows how something works or what its parts are is known to be a .

• landform

• diagram
• stable

• visualize

Identify the landform that your house would be found on.

• island

• cave

• mountain

• plain

What can make landforms change?

• water

• space

• food

• dirt

Scientists base their ideas on such as investigations, models, and books.

• speeches

• evidence
• visualize

• streams

When rock, soil or sand is worn down and moved from one place to another, we call that .

• diagram

• geologist

• erosion
• explanation

Can fast flowing water in a stream move a boulder?

• Yes, flood water can be powerful enough to move big boulders.

• No, a boulder would sink in water.

• Only if it dries up.

• Maybe it won’t rain.

The shape of a landform when water causes pieces of rock to break off.

• floats

• changes
• bends

• hardens

What happens when water hits a cliff?

• the rock dries off

• the cliff gets very hard

• tiny pieces of rock break off

• the landform never changes

Scientists often have to think about things on a very different scale.

• True

• False

• Never

Two models that we have used in class to observe landform changes are and .

• glue model
• hard candy model
• leaves and roots model

• chalk model