Show:
The Air
Matter
The Atmosphere
Air Pressure
Density
100
Which gas represents about 20% of the air around us?
Oxygen
100
What is made up of anything and takes up space
Mass
100
Which layer is closest to the Earth and produces weather?
The Troposphere
100
What is an example of pressure?
Various answers
100
What is a measure how matter is packed into a given space?
Density
200
Which gas represents about 79% of the air around us?
Nitrogen
200
Matter is made up of what?
Atoms
200
Which layer includes the ozone layer?
The Stratosphere
200
Force pushing on an area or surface is what?
Pressure
200
Density =
Mass / Volume
300
What makes up the remaining 1-2% of the gases in the atmosphere?
Trace elements like Argon, CO2, etc.
300
What are the three phases of matter
Gas, Liquid & Solid
300
Which layer blends in with outer space?
The Thermosphere
300
The result of the weight of gas pushing down on an area is an example of what?
Air pressure
300
Which liquid has a density of 1.0?
Water
400
If you filled a jar with 100 cm3 of air, how many cm3 would the Nitrogen take up?
78-79 cm3
400
What is the smallest units of matter?
Atoms
400
Which layer is the middle layer of the atmosphere?
The Mesosphere
400
What happens to altitude when air pressure in the atmosphere decreases?
Altitude increases
400
If there were 100g of gas in a 50ml container, what would the density of that gas be?
2 g/ml3
500
If you took a sample of air in a 50cm3 container and found that 40cm3 was Nitrogen, what percentage of this sample is Nitrogen
What is 80%
500
Atoms are made up of even smaller units. What are those smaller units?
Protons, Neutrons & Electrons
500
What are the four layer of the atmosphere?
The Troposphere, Stratosphere, Mesosphere & Thermosphere
500
What happens to air pressure as the density of the air increases?
Air pressure decreases
500
If Rachelle was making a jello mix that had a volume of 15cm3 and a mass of 45 g, calculate its density.
3 g/cm3