Show:
The Air Around You
The Air Around You
Air Pressure
Air Pressure
Energy in the Earth's Atmosphere
100
Nitrogen and Oxygen
What two gasses are most abundant in the atmosphere?
100
It makes conditions on earth suitable.
How is the atmosphere important to living things?
100
Decreases
When altitude increases, the air pressure _?
100
Barometer
A _ is used to measure air pressure.
100
What energy travels to earth as.
What are electromagnetic waves?
200
The condition of earth's atmosphere at a particular time and place.
What is weather?
200
Harmful substances in the air, water, or soil.
What are pollutants?
200
The result of the weight of a column of air pushing down on an are.
What is air pressure?
200
The instrument used to measure air pressure.
What is a barometer?
200
The direct transfer of energy by electromagnetic waves.
What is radiation?
300
The envelope of gases that surrounds the planet.
What is earth's atmosphere?
300
forest fires, soil erosion, dust storms, and erupting volcanoes.
What are some natural pollution sources?
300
The force pushing on an area or surface.
What is pressure?
300
Mercury and aneroid barometer.
What are the 2 types of barometers?
300
Visible light
In what form does energy from the sun travel to Earth?
400
Water in the form of gas.
What is water vapor?
400
Fossil fuels
Coal, oil, gasoline, and diesel fuel are all examples of what?
400
Mass divided by volume. (Mass over volume)
How can you find density?
400
It consists of a glass tube open at the bottom end and partially filled with mercury.
What does a mercury barometer look like?
400
One form of electromagnetic energy with wavelengths shorter than that of red light.
What is infrared radiation?
500
A form of oxygen that has 3 oxygen atoms in each molecule instead of the usual 2.
What is Ozone?
500
The brown haze that develops in sunny cities.
What is photochemical smog?
500
Density and pressure.
What are some properties air has?
500
It consists of an airtight metal chamber.
What does an aneroid barometer look like?
500
Sunburns , skin cancer, and eye damage
What are some of the effects of ultraviolet radiation?