Science (4th) Ch. 7 Weather & Climate (2nd 9 weeks) Lesson 1: Air & Weather vocab/notes
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the blanket of gases that surrounds Earth.
atmosphere
a measurement of how hot or cold something is.
temperature
a measurement of how much water vapor is in the air.
humidity
the force of air pushing down on an area.
air pressure
a tool used to measure temperature.
thermometer
a device that moves to show which way the wind is blowing.
wind vane
a device used for measuring air pressure.
barometer
a device that measures how much precipitation has fallen.
rain gauge
What are the two gases that mainly make up the Earth’s atmosphere?
nitrogen & oxygen
Name the 4 layers of the atmosphere.
• Troposphere • Stratosphere • Mesosphere • Thermosphere
Which layer is the thickest & coldest layer? Troposphere Stratosphere Mesosphere Thermosphere
Thermosphere
What layer is the closest to Earth & all weather occurs here?
Troposphere
What does a barometer used for?
A tool that measures air pressure
What tool measures air pressure?
a barometer
What tool measures humidity?
a hygrometer
What is a hygrometer used for?
A tool that measures humidity
In deserts, is the humidity high or low?
low
In rain forests, is the humidity high or low?
high
______ is low in deserts and high in rain forests.
humidity
What is an anemometer used for?
A tool that measures wind speed.
What tool measures wind speed?
An anemometer
Name 4 types of precipitation.
• rain • snow • sleet • hail