Unit Test in Science G7 4th Quarter

The layer closest to Earth’s surface.

• Troposphere

• stratosphere

• mesosphere

• thermosphere

The layer of air that extends to about 50 km from Earth’s surface.

• Troposphere

• stratosphere

• mesosphere

• thermosphere

The layer between 50 km and 80 km above the Earth’s surface.

• Troposphere

• stratosphere

• mesosphere

• thermosphere

Between 80 km and 110 km above the Earth.

• Troposphere

• stratosphere

• mesosphere

• thermosphere

A gas that contributes to the greenhouse effect by absorbing infrared radiation.

• Greenhouse gas

• carbon dioxide

• carbon monoxide

Wind that blows from a large body of water toward or onto a landmass.

• Sea breeze

• Land breeze

• monsoon

A breeze blowing toward the sea from the land.

• Sea breeze

• Land breeze

• monsoon

Latitude 0

• Equator

• Tropic of Cancer

• Tropic of Capricorn

23.5°N

• Equator

• Tropic of Cancer

• Tropic of Capricorn

23.5°S

• Equator

• Tropic of Cancer

• Tropic of Capricorn