Show:
The Air Around You
The Air Around You
Air Pressure
Air Pressure
Energy in Earth's Atmosphere
100
Nitrogen and Oxygen
What are the two most abundant gases found in atmosphere?
100
It makes conditions on Earth suitable.
Why is the atmosphere important to living things?
100
Decreases
As altitude increases air pressure _?
100
Mercury and Aneroid barometer
What are the two types of barometers?
100
Electromagnetic waves
Energy travels to Earth as?
200
The envelope of gases surrounding the planet.
What is Earth's atmosphere?
200
The harmful substances in the air, water, or soil.
What are pollutants?
200
The result of weight of a column of air pushing down on an area
What is air pressure?
200
Consists of a glass tube open at the bottom end and partially filled with mercury used to measure.
What is a mercury barometer?
200
A form of energy that can move through the vacuum of space.
What are electromagnetic waves?
300
The condition of Earth's atmosphere at a particular time and place.
What is weather?
300
Forest fires, soil erosions, dust storms, and erupting volcanoes.
What are some natural pollution sources?
300
The force pushing on an area or surface.
What is pressure?
300
Consists of an airtight metal chamber and is sensitive to changes in the air.
What is an aneroid barometer?
300
Red, orange, yellow, green, blue, purple, indigo violet. (Roy G. Biv)
Visible light includes what colors?
400
Water in the form of gas.
What is water vapor?
400
Coal, oil, gasoline, diesel fuel, cars, motor vehicles, factories, power plants.
What is most air pollution caused by? Give one example.
400
Mass divided by volume.
Density=
400
Air pressure
What do barometers measure?
400
A form of electromagnetic energy with wavelengths longer that red light.
What is infrared radiation?
500
The form of oxygen that has three oxygen atoms in each molecule instead of the usual two.
What is Ozone?
500
The brown haze that develops in sunny cities.
What is photochemical smog?
500
Density and pressure
What are some properties of air?
500
Millibars
What unit is air pressure measured in?
500
Skin cancer and eye damage.
What can ultraviolet radiation cause?