Sky Basics
Moving air is called
What is wind?
The lowest layer of the atmoshpere
What is the troposphere?
This instrument measures temperature
What is a thermometer?
This percentage of the earth is covered by water
What is 71%?
This process turns water into vapor
What is evaporation?
The line where sky and the earth meet
What is the horizon?
This gas makes up most of the atmosphere
What is nitrogen?
This instrument measures air pressure
What is a barometer
This is earth's largest ocean
What is the Pacific Ocean?
This process turns water vapor into liquid water
Tiny water droplets in the sky
What are clouds?
This protects earth from harmful UV rays
What is the ozone layer?
This type of cloud brings thunderstorms
What is cumulonimbus?
This name was given to the deepest part of the ocean
Water that falls from the clouds
What is precipitation?
This force keeps earth's atmosphere in place
What is gravity?
The highest layer of the atmosphere
What is the exosphere?
Frozen rain is called this
What is hail?
This percent of the earth's water is freshwater
What is 3%?
This cycle moves water between earth and sky
What is the water cycle?
This phenomenon causes stars to twinkle in the night sky
An excess abundance of carbon dioxide in the atmoshpere leads to this effect
What is the greenhouse effect?
This type of front is produced when dense cold air forces warm air upward, often producing storms and rapid weather changes?
What is a cold front?
This ocean organism forms the basis for the food chain and performs photosynthesis
What is phytoplankton?
Water stored in aquifiers and underground
What is ground water?