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Properties of Air
Study Aid for the Properties of Air Test
Question | Answer |
---|---|
If air is matter, what two things must be true? | it takes up space and has mass |
What happens to molecules of air when they are heated? | they expand (take up more space) |
What happens to molecules of air when they are cooled? | they contract (take up less space) |
Does the air near the ceiling in this room put pressure on the ceiling? | yes |
What property of air allows a suction cup to stay attached to a surface. | air exerts pressure |
What property of air can be demonstrated by blowing up a balloon? | air takes up space |
What property of air can be demonstrated by comparing the weight of a balloon full of air and a deflated balloon? | air has weight (mass) |
What property of air can be demonstrated by putting a tissue in a beaker of water and then putting the beaker upside down under water to show that the tissue will remain dry? | air takes up space |
What property of air can be demonstrated by balancing two deflated balloons on a scale and then inflating one to show that the scale will tip to that side? | air has weight (mass) |
What property of air can be demonstrated by balancing two paper bags on a scale and then filling one with carbon dioxide gas to show that the scale will tip to that side? | air has weight (mass) |
What property of air can be demonstrated by filling a container with water, covering it with a piece of oaktag, and then tipping it upside down to show that the water will stay trapped inside the container? | air exerts pressure |
What are the over 100 different types of atoms called as a group? | the elements |
What are the three main states of matter? | solid, liquid, and gas |
What 3 gasses make up most of the air? | nitrogen, oxygen, and carbon dioxide |
What is the most common gas in the air? | nitrogen |
Atoms combined with other atoms are known as what? | molecules |
What property of air can be demonstrated by measuring the circumference of a balloon before and after it is heated and cooled? | air expands when heated and contracts when cooled |
What property of air can be demonstrated by heating up or cooling down the air in flask with a balloon attached to the top? | air expands when heated and contracts when cooled |