Science G2 - Unit 6 review

What covers most of Earth’s surface?

• mountains

• oceans

• ice

• continents

Where are  Earth’s landforms found?

• the core

• the crust

• all layers

• the mantle

Which of following slowly changes Earth’s  surface?

• glaciers

• landslides

• earthquakes

• floods

How are oceans useful to people?

• They keep people alive and healthy.

• They transport people and goods.

• They supply water to drink.

• They stop landslides from happening.

Which is a model of Earth?

• a globe

• a map

• a  continent

• an island

What can a globe show?

• how to stop a landslide

• how to use Earth’s water

• the three layers of Earth

• the shape of Earth and its landforms

Which layer of Earth is the hottest?

• the crust

• the atmosphere

• the mantle

• the core

How much of  Earth’s surface do the oceans cover?

• one-fourth

• all of the surface

• three-fourths

• one half

Which can quickly change Earth’s crust?

• weak winds

• strong earthquakes

• winding streams

• moving ice

Which of the following is true about oceans?

• They are in Earth’s  mantle.

• They are large and often deep.

• They are landforms.

• They have fresh water.