Vocab
Air Pressure and Density
Properties of Air
Layers
Why it is important?
100
The layers of gases that surround the Earth.
What is the Atmosphere
100
What happens to air pressure at higher altitudes?
What is decreases with altitude.
100
Makes up 78% of the atmosphere.
What is Nitrogen
100
Layer where weather occurs.
What is troposphere.
100
Protects Earth from radiation.
What is ozone layer
200
The tool used to measure air pressure.
What is a barometer
200
Layer with the greatest density.
What is the troposphere
200
The gas used in photosynthesis.
What is Carbon Dioxide.
200
Layer with high concentrations of ozone.
What is the stratosphere.
200
The gas that traps energy from the sun and makes Earth warm.
What is CO2
300
The amount of mass an object has at a given volume.
What is density
300
What object is created when water vapor is compressed?
What is a cloud
300
Protects organisms from radiation.
What is ozone
300
The order of the five layers of the atmosphere.
What is Trop, Strato, Meso, Thermo, Exo
300
The layer that protects Earth from Meteors.
What is the mesosphere
400
any elevation above sea level
What is altitude
400
Molecules are more dense at higher or lower altitudes?
What is lower
400
Important gas that made life on Earth possible.
What is oxygen.
400
In the lowest layer of the atmosphere density increases or decreases with altitude?
What is decreases.
400
The layer of the Earth with the most water vapor.
What is the troposphere.
500
the pressure caused by the weight of a column of air pushing down on an area.
What is air pressure
500
Water vapor was collected and has a mass of 5g in a 100mL graduated cylinder. What density does the water have?
What is 0.05g/mL
500
Two gases that make up 99% of the atmosphere.
What is oxygen and nitrogen.
500
The property scientists use to distinguish between the layers.
What is temperature.
500
Living things need these for life processes such as photosynthesis, breathing, and the water cycle.
What is atmospheric gases.
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