From a solid to a liquid, what is the phase called?
Melting
A person takes a piece of butter out of a refrigerator and puts it on a warm piece of toast. The butter immediately turns into a substance that easily spreads on the toast. Which phase change has most likely taken place?
Solid to liquid
From a liquid to a solid, what is the phase called?
Freezing
These molecules represent which phase?
Solid
From a solid to a gas, what is the phase called?
Sublimation
How can properties help you distinguish one substance from another?
You can distinguish substances from one another by properties they do not share
From a liquid to a gas, what is the phase called?
Evaporation
What are two physical properties that can help you identify a substance?
Color, soluble in water, density (floats or sinks), size
What is the phase called from a gas to a solid?
Deposition
Why might an archaeologist digging in ancient ruins sift dirt through a screen?
The objects in the dirt may be larger than the holes in the screen so they will separate from one another.
These molecules represent which phase?
Liquid
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