World Geography Chapter 2

Of all of Earth’s water, 70 percent is salt water.

• True

• False

The three layers of Earth are

• the lithosphere, hydrosphere, and atmosphere.

• the plates, the crust, and the ocean basins.

• the surface, the inner core, and the outer core.

• the core, mantle, and the crust.

The amount of water in the water cycle is constantly changing.

• True

• False

What are moraines?

• compacted layers of snow that turn to ice

• organic matter moved by wind erosion

• rounded and weathered mountaintops

• piles of rocks and debris left when glaciers melt

Earth is part of a larger physical system that contains other planets, moons, and stars.

• True

• False

The ________ includes all liquid and frozen surface water, ground water, and water vapor.

• lithosphere

• biosphere

• hydrosphere

• atmosphere

Earth’s surface is made up of 70 percent water and 30 percent land.

• True

• False

What keeps the planets revolving around the sun?

• the sun’s heat

• the sun’s gravitational pull

• the sun’s inertia

• the sun’s energy

Earth’s salt water is in large basins called oceans, bays, seas, and gulfs.

• True

• False

Which internal process leads to earthquakes in places like California?

• plating

• weathering

• faulting

• eroding