Unit 4 Lesson 1

What is weather?

• The condition of the Earth's atmosphere at a certain place and time

• Climate

What is temperature?

• The measure of how fast something is

• The measure of how hot or cold something is

What is used to measure temperature?

• Barometer

• Psychrometer

• Thermometer

What is humidity?

• The amount of rain in the clouds

• The amount of water vapor in the air

• The amount of sweat on your body

What is used to measure relative humidity?

• thermometer

• psychrometer

• barometer

What is precipitation?

• Any form of water that falls to the Earth's surface

• Any form of water

• Any form of heat

What is used to measure rain?

• barometer

• rain gauge

• ruler or meter stick

What is used to measure snow?

• rain gauge

• meter stick or ruler

• thermometer

What do Cirrus clouds look like?

• wispy or feathery

• thick and puffy

• thin and flat

What do Cumulus clouds look like?

• wispy or feathery

• thick and puffy

• flat