What is a thin layer of gases that surrounds our planet?

• atmosphere

• climate

• weather

• latitude

What is the current atmospheric conditions in a particular area over a short period of time?

• temperature

• weather

• climate

• precipitation

What is the average conditions of the atmosphere for a particular area over long periods of time.

• atmosphere

• wind speed

• weather

• climate

What measures temperature?

• hygrometer

• thermometer

• anemometer

• satellite

What measures the air pressure?

• barometer

• anemometer

• hygrometer

• thermometer

What measures the amount of water in the air?

• thermometer

• anemometer

• hygrometer

• satellite

What are ice cores used to measure?

• availability of water in the past

• past atmospheric gas ratios and estimates past temperatures

• the current atmospheric temperature

• the different types of past species

Where does the most direct sunlight strike on the earth?

• 90° N

• 45° N

• equator

• prime meridian

Which of the following is an example of climate?

• A sudden snowstorm resulting in subzero temperatures and 30 cm of new snow.

• In southern California, temperatures are generally mild and rainfall is low.

• A week of rain caused widespread flooding in Seattle.

What two gases make up most of earth's dry air?

• carbon dioxide

• oxygen

• argon

• nitrogen