Exploring Earth: Landforms and Layers

Which layer of the Earth do we live on?

• Mantle

• Crust

• Outer core

• Inner core

What is a mountain?

• A flat area of land

• A low area between hills

• A tall, raised part of the Earth's surface

• A body of water

Which landform is created by a river cutting through rock over a long time?

• Canyon

• Delta

• Sand dune

• Volcano

Tags

NGSS.MS-ESS2-2

What is the main cause of earthquakes?

• Rainfall

• Plate movement

• Wind erosion

• Sunlight

Tags

NGSS.MS-ESS3-2

How is a delta formed?

• By wind blowing sand into piles

• By water dropping sediment at the mouth of a river

• By lava cooling and hardening

• By glaciers scraping the land

Tags

NGSS.MS-ESS2-2

A student observes a landform that is tall, has steep sides, and sometimes erupts with lava. What type of landform is this?

• Sand dune

• Volcano

• Delta

• Valley

Tags

NGSS.MS-ESS2-2

Which layer of the Earth is the thickest?

• Crust

• Mantle

• Outer core

• Inner core

A student compares the crust and the mantle. Which statement is true?

• The crust is thicker than the mantle.

• The mantle is hotter and denser than the crust.

• The crust is made of metal, the mantle is not.

• The mantle is above the crust.

What layer has a solid inner part and a liquid outer part?

• Crust
• Mantle
• Core
• none

What layer is 1?

• Crust
• Mantel
• Outer Core
• Inner Core