Layers of the Earth
Land Changes
Land Formations
Erosion
Gravity
100

What is the outermost layer of the Earth?


The Earth’s Crust

100

Give me one example of a slow land change and one example of a fast land change.

Fast land change: Flood, Earthquake, Landslide, Volcano...


Slow land change: Weathering, Erosion, Deposition

100

Name two ways an island can form

Earthquakes
Underwater Volcanoes

100

This agent of erosion move the most rock on Earth’s surface?

Water

100

The noncontact force that pulls object toward one another is _________________

Gravity

200

What is the inner core made out of?

Solid Rock

200

DOUBLE

The dropping of sediment moved by water, wind and ice is called what?

Deposition

200

What is a Plateau?

A tall mountain like land formation with a flat top

200

Do volcanoes change The surface of the earth slowly

or quickly?

quickly

200

The direction gravity pulls objects?

Downward, toward the earth's center.

300

Volcanoes release molten rock from where?

From the Earth’s Mantle

300

The movement of rock material from one location to the other is called what?

Erosion

300

How do Mountains Form?

By two fault lines pushing or crashing into each other during an earthquake

300

What could make a mountain become smaller?

weathering and erosion

300

Due to gravity, the higher position an object is at, the higher ____________________ it has.

Potential energy.

400

Label all 3 layers of the earth

Core, mantle, crust

400

The amplitude or Size of an Earthquake is Measured by What machine?

Seismograph/ seismometer

400

How are deltas formed?

By sediment being deposited by a river as the flow leaves the mouth and flows into slower moving water

400

How can arches become dangerous?

They can erode and eventually fall

400

Gravity  effect a person’s ….

weight

500

Studying the rock layers can provide us what information about the past?

The environmental changes.

500

What is the main difference between a seismograph and a seismometer?

Seismograph uses physical materials.

Seismometer works digitally.

500

How is a volcano formed?

By the tectonic plate movement.

500

What do we call large ice formations that move slowly and form valleys and shape mountains through erosion?

Glaciers

500

The pull of gravity on Earth is 3 times greater on Earth than Mars. A 90 pound child weights this ______on Mars.

30 pounds