Earth Features
The Earth
Volcanoes
Earthquakes
It's All Relative
100

An opening in the earth's crust that allows lava to flow out

Volcano

100

The outer layer of the earth

Crust

100

An opening of the earths surface is this. 

A volcano

100

An earthquake happens when large areas of the earth's surface do what?

shake and move

100

God first covered the earth with what? 

Water

200

When large areas of the earth's surface shake and move

Earthquake

200

The center of the earth

core

200

The opening of earths surface allows hot melting ____ to flow out. 

rock

200

What do scientists measure during an earthquake?

How long the earth shakes. 

200

What kind of water do the oceans have?

salt

300

A land mass

Continent

300

What is the layer of the earth under the crust

mantle

300

The melted rock that comes out of a volcano is called this. 

lava

300

If an earthquake happens under the ocean it causes this to form.

large waves

300

What kind of water is in rivers?

Fresh water

400

A small land mass completely surrounded by water

Island

400

The core has two parts. What is the outer core made of.

Liquid

400

When lava hardens what happens to the land?

It hardens

400

Scientists use a machine called a seismograph. What does this machine record?

earth's movements

400

What are 2 ways scientists can infer what's happing inside the earth?

through openings in the surface and by digging or drilling holes. 

500

A large body of salt water

Ocean

500

The very center of the inner core made of.

solid iron

500

These islands were made by volcanoes. 

Hawaiian Islands

500

What kind of large wave can form from an earthquake under the ocean?

Tsunami

500

How does knowing about the earth help to keep us safe?

Volcanoes and earthquakes can be dangerous so if scientists learn what causes them, they can warn people.