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ch1 lesson 4


The temperature at which matter changes from a solid to a liquid is called the melting point
The temperature at which matter changes from a liquid to a gas is called its boiling point
If you flatten a peice of clay, you have made a physical change
A physical change is a change in an object's physical properties
True or False A physical change can change an object into a different kind of matter. False
True or False Cutting a sheet of paper into tiny peices is an example of a physical change True
True or False For melting or boiling to occur, energy is needed. True
True or False when water boils, the tiny particles it is made of move closer together. False
True or False For water to cool to its freezing point, it must gain energy False
Which would you estimate has the greater mass-a five-inch banana or a seven-inch banana? A seven-inch banana has greater mass.
Created by: rrmarkiewicz