What is a landform?

Plateaus, valleys, canyons, and mountains are all examples of?

• Canyon

• Landforms

• Mountain

• Coast

• Plateau

How can scientists know about the depth of ocean floor by ?

• Echo

• plains

• mountain

• light

A deep, narrow valley with steep side?

• River

• Canyon

• Coast

• Mountain

• Plateau

What is a volcano?

What is an earthquake?

Where do most volcanoes occur?

What type of plate motion forms mountains?

What type of plate motion forms mid-ocean ridges?

Formed from sediments that are cemented or pressed together

• sediments

• fossils

• Sands

• sedimentary rocks