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out teacher said that solids, liquids, and gas molecules all look different. he told us that solids have molecules the densest and that they are practically touching.
my teacher finally said that gasses have molecules that are the least densest from each other.
He also said that liquids have molecules that aren't as dense as solids but they are denser than gases.
My teacher also said that a solid, liquid or gas can turn into a solid liquid or gas. For example, water is a liquid and can be turned into a solid (ice) or a gas (water vapor)
For example, water has a boiling point of 100 degrees Celsius.which means that it will start to turn into a gas at 100 degrees Celsius.
When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. ... They contract when they lose their heat.
For example when
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