What do you call the blanket of air around Earth?
The ATMOSPHERE.
What TWO GASES is 99% of AIR made up of?
Nitrogen (78%) and oxygen (21%). [Other gases (1%)]
What's the layer of air closest to Earth called?
The TROPOSPHERE.
Which layer of the atmosphere is the thickest?
The THERMOSPHERE.
Name THREE PROPERTIES of weather.
Temperature, air pressure, humidity, precipitation.
What does temperature describe? What do we use to measure it?
How how or cold something is. A thermometer.
What is HUMIDITY?
A measure of the water vapor (moisture) in the air.
What is air pressure?
The force of air pushing on an area.
Name THREE tools you could use to measure weather.
Anemometer, thermometer, rain gauge, ruler, barometer, air pressure gauge, wind vane, wind sock, etc.
What can you infer about the weather in a tropical rainforest?
It rains a lot, the humidity and temperature are high.
