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How does the expansion and contraction of gases compare to solids when they are heated and cooled?
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When you put the balloon in the freezer what law is it an example of?
Charles Law - the expansion (when heated) or contraction (when cooled) of gases. E.g. when you leave a balloon outside in the heat it will pop from the gas inside expanded, but when you put it in a freezer it will shrink as the gas inside contracts.
What is happening to the molecules of a substance when they are heated or cooled?
move faster when heated they move slower when cooled
Can milk be heated cooled and reheated then cooled?
Yes
Oil expand or contract when heated?
Oil does expand when heated and contracts when cooled.
Does heated magma rise or sink?
When magma is being heated it rises. When it is cooled, it sinks.
Does a rock expand or contract with an increase in heat?
expandThe expansion of rocks when they are heated and contraction of rocks when they are cooled weakens them and eventually breaks them into smaller pieces. This is an example of mechanical weathering.
Could expansion when a substance is heated or contraction when a substance is coooled cause problems?
Yes, the thermal expansion is very important in physics and technology.
Why is a bimetallic strip curve when it is heated or cooled?
Because the two metals have different coefficient of linear expansion
When you put the balloon in the freezer what law is it an example of?
Charles Law - the expansion (when heated) or contraction (when cooled) of gases. E.g. when you leave a balloon outside in the heat it will pop from the gas inside expanded, but when you put it in a freezer it will shrink as the gas inside contracts.
Why does a gass expand when heated and contract when cooled?
When a gas is heated up, the particles within the gas start to move faster, going farther apart (expansion). When a gas is cooled, the particles slow down and it starts to condense (contract), and if cooled enough, into a liquid.
Compare and contrast conduction and convection?
convection means when something is heated it expands or conducts eg. metal is heated it contracts when it is cooled it contracts.
Is the expansion of a substance due to heat?
YES, as far as I'm concerned, a substance expands when heated and contracts when cooled.
How does a volume gas thermometer owrk?
Gases expand or contract when heated or cooled. The main part of the thermometer has a 'large' bulb containing a gas connected by a hose to a tube filled with liquid. The expansion or contraction of the gas causes the liquid level to move this indicates the temperature.
What objects show expansion and contractions?
Almost all of them, but bridges can be a very good example. The small rubber tracts are for when the bridge expands and contracts. Metals also do a good job. There is a way to make a quazi thermometer that uses the expansion and contraction of metal wire to pull a pin.
What are examples of thermal expansion and contraction?
the Mercury in a thermometer expands when heated and contracts when the temperature cools down.
How does an air cooled chiller work?
The air cooling of a chiller signifies , the cooling of radiator. in a chiller the compressor compressors the gas which on expansion cools in side Copper tubes causing the chilling effect. The refrigerants get heated up when compressed in a compressor. this heated refrigerant is cooled by blowing air in air cooled chillers. There are also water cooled chillers.
What happens to bimetallic strip when it is heated and cooled?
The two metals have different expansion rates when the strip is heated. This means that one of the metals will expand more than the other, causing the strip to bend.
