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What is happening to the molecules of a substance when they are heated or cooled?
move faster when heated they move slower when cooled
What happens to liquids and gases as they are heated?
The molecules in side move or spread apart
Why metal expands when heated?
Molecules move back and forth faster and faster causing expansion
How does higher temperature allow gases to dissolve faster?
The hotter it is the faster the molecules will move away from each other
How does the movement of molecules inside a solid block of iron change as the iron is heated?
The molecules move faster
When molecules in liquids and gases are heated they?
When molecules in liquids and gases are heated they move faster
Do gases move faster when they are heated?
Yes
What happens to gases when heated?
When a noble gas is heated, its molecules move faster (this is the same as saying that the gas heats up).
How do particles move when they are heated?
Particles move faster when they are heated.
When matter is heated does it move fast or slow?
When matter is heated the molecules in it move faster.
What is happening to the molecules of a substance when they are heated or cooled?
move faster when heated they move slower when cooled
Why do molecules move faster when heated?
Because of friction
Do molecules move faster when a solid is heated?
yes
What happens when particles get heated?
they get excited and move around faster
What happens to liquids and gases as they are heated?
The molecules in side move or spread apart
Why metal expands when heated?
Molecules move back and forth faster and faster causing expansion
What happens to the pressure of gas when it is heated and why?
The molecules of a gas move faster when heated so the pressure increases.
