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1.Put on your apron. Place a cardboard divider across the middle of a plastic shoe box.
2.Add a few drops of red food coloring to a liter of warm water. Pour the red liquid, which represents low-density warm air, into the shoe box on one side of the divider.
3.Add about 100 ml of table salt and a few drops of blue food coloring to a liter of cold water. Pour out the blue liquid, which represents high-density cold air, into the shoe box on the other side of the divider.
4.What do you think will happen if you remove the divider?
5.Now quickly remove the divider. Watch carefully from the side. What happens?
Think it over
Developing Hypotheses- Based on this activity,write a hypotheses stating what would happen if a mass of cold air ran into a mass of warm air.
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Do noble gases have low densities?
Yes. they do
What determines if gases or vapors are lighter or heavier than air?
Their densities
What explains how the particles in gases behave?
Kinetic Theory.
If two solids have the same masses but different volumes they have?
If two solids have the same masses but different volumes they have different densities.
How does the speed of sound of change for mediums of different densities compressibilities and temperature?
The speed of sound of change for mediums of different densities compressibilities and temperature because different densities give different resistance to the sound. It blacks more of ht sound the denser the object is,, and give more when the object is less dense.
How many cubic meters are there in a tonne?
It depends on the gas. Different gases have different densities when liquified.
Do noble gases have low densities?
Yes. they do
Why does sound travel differently in solids liquids and gasses?
Gases, liquids and solid all have different consistencies (densities). So the sound is changed
What determines if gases or vapors are lighter or heavier than air?
Their densities
Given that a large number of non-metalsare gases what does it tell you about the densities of non-metals in general?
In strict logical inference, nothing, because there could be very dense nonmetals to compensate for the gases. However, in fact the densities of nonmetals on average are less than the densities of metals.
What 2 gases on the periodic table behave like ideal gases?
Moustache
Do gases always have densities less than solids and liquids?
Yes, it is true.
What explains how the particles in gases behave?
Kinetic Theory.
How many cubic meters of liquid fuel in a ton?
The answer will depend on what the fuel is. Different components of petroleum have different densities and so a ton will occupy different volumes.The answer will depend on what the fuel is. Different components of petroleum have different densities and so a ton will occupy different volumes.The answer will depend on what the fuel is. Different components of petroleum have different densities and so a ton will occupy different volumes.The answer will depend on what the fuel is. Different components of petroleum have different densities and so a ton will occupy different volumes.
If two solids have the same masses but different volumes they have?
If two solids have the same masses but different volumes they have different densities.
How can you use materials of different densities?
I dont no
Do lead and sand have different densities?
yes
