Along the Coast
Impact Craters
Under Water
Valleys
Vocabulary
100

What's it called where land meets the ocean?


Coast / Coastline

100

A round dent in Earth's surface


Crater

100

The ocean is made of what type of water?

Salt water

100

A low place between two hills or mountains


Valley

100

A long, thin area of water that flows


River

200

What changes a coastline?

Waves

200

Rocks from space


Meteors

200

True or False:

The ocean makes up 97% of the Earths total water.

True!

200

What is at the bottom of most valleys?

Water / River

200

When lots of rocks and soil roll down from a cliff or mountain


Landslide

300

Pools of water between rocks


Tide pools

300

How are craters formed?


Rocks hit earth

300

Deep cracks in the seafloor


Trenches

300

Which direction does the river in a valley flow?

Downhill

300

Tall red rocks in many different shapes


Arches

400

Steep coastline


Cliffs

400

A meteor is also called...

Shooting star

400

Top of an underwater mountain


Island

400

Two shapes of valleys

hint: both letters


V and U

400

An overflow of water that happens very fast


Flash Flood

500

How is sand created?


Waves break rocks into smaller pieces

500

What happened to the dinosaurs?


A meteor hit Earth and created a giant dust cloud!

500

What causes waves?


Wind / Volcano

500

How were valleys made?

Water or Ice

500

A deep hole in the ground formed over a long time by moving water


Canyon