U4 Review

Using public transportation saves natural resources.

• True

• False

An example of something found in the geosphere is...

• a rock formation on a mountain

• water in a river

• the air around us

• plants and fungi

The air around us is an example of something found in the _________.

• geosphere

• hydrosphere

• atmosphere

• biosphere

This greenhouse gas is contributing to melting glaciers and ice caps

• carbon monoxide

• freon

• carbon dioxide

• oxygen

This process is the breaking down of rocks and minerals on the earth's surface.

• evaporation

• weathering

• transpiration

• estuary

Dry air warms as it blows to lower elevations on the other of side of a mountain, this causes a ____________

• thunderstorm

• heat wave

• rain shadow

• tornado

Gravity affects only humans.

• True

• False

A hot-air balloon is floating at a constant height above the ground.  The upward force on the balloon is balanced by the downward force of gravity.

• True

• False

About ___ of all water on Earth is found in oceans.

• 3%

• 50%

• 75%

• 97%

About 3% of Earth's water is freshwater. Most of this freshwater is found in rivers, lakes, and streams.

• True

• False