Air Around You
Air Pressure
Layers of the Atmosphere
Density and Matter
Mix Up
100
Name a particle that could be present in the air (not a gas)
Dust, pollen, smoke, ash, chemicals
100
A device that measures air pressure
barometer
100
The layer we live in....contains 99% of the water vapor
Troposphere
100
This is the measure of how much gravity is pulling on you.
Hint: Yours would be much less on the moon
Weight
100
True or False. Temperature increases with altitude in every atmospheric level
False.
200
This gas makes up 78% of the air you breathe
Nitrogen
200
Why doesn't air pressure in a room crush you?
1. We have body pressure pushing back
2. Pressure is spread out evenly on everything in the room.
200
In which layer do most meteors burn up in?
Mesosphere
200
Two or more atoms combine to form a _______________________
Molecule
200
This is the height above sea level in the atmopshere
Altitude
300
This is water in the form of a gas
Water Vapor
300
Where is air pressure the lowest?
A
300
This layer contains ozone that protects us from harmful UV rays
Stratopshere
300
This is the measure of how much space something takes up
Volume
300
Where is air density the greatest?
B
400
Name two gases that occur in the atmosphere in trace amounts (less than 1%)
Argon, helium, hydrogen, argon, krypton, carbon dioxide, water vapor, methane
400
True of False. Air pressure steadily decreases from Earth's surface to space.
True
400
In which layer of the atmosphere do the northern lights (aurora's) occur?
Ionosphere
400
What is the formula for finding the density of an object.
D = M/V
400
This atmosphere layer is divided into two sub-layers called the Ionosphere and Exosphere
Thermosphere
500
Describe a way that Earth's atmosphere makes conditions on Earth suitable for living things
1. Protection from Meteors
2. Blocks harmful sun ray (UV)
3. Keep temperatures warm for liquid water
500
This type of barometer consists of an airtight metal chamber connected to a dial (does not use liquid)
Aneroid Barometer
500
Which layer is the thinnest?
Troposphere
500
A measure of the amount of matter in an object is its....... ______________
Mass
500
The measure of the average amount of energy of motion of each molecule/atom of a substance.
Temperature