Weather and Climate 2
Terms
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- What is a wind vane?
- A device used to find wind direction. Most wind vanes are shaped like a long arrow with a tail.
- What are low-pressure areas?
- Areas where pressure is lower than the surrounding air.
- What are high-pressure areas?
- Areas where pressure is higher than the surrounding air.
- What is a barometer?
- A device used to measure air pressure. Two kinds are a mercury and aneroid.
- What is air pressure
- The push of air against its surroundings.
- What is wind?
- The movement of air.
- What is the greenhouse effect?
- The process in which heat from Earth is trapped by the atmosphere.
- What is weather?
- It is the condition of the atmosphere at a certain place and time. It can change from day to day, from hour to hour and even minute to minute.
- What is the troposphere?
- The lowest layer of the atmosphere which supports life. It reaches about 11km above the Earth's surface.
- What is the atmosphere?
- A blanket of air, which is made up of gases, liquids, and some solid matter.
- What is air made up of?
- Matter
- What is air?
- It is matter and a mixture of gases.
- What is nitrogen?
- It is largely what air is composed of.
- What is oxygen?
- The second most plentiful gas in air.
- What other gases is air composed of?
- Carbon dioxide and water vapor