The chemical properties of paper are changed when which of the following is done to it?

Which of the following describes using a physical change to separate a mixture?

In which of the following actions does a physical change occur to separate a mixture?

In which of the following examples is a mixture separated by using physical properties?

A mixture of sand and gravel can be separated by putting it in a container with holes that only the sand can pass through. This method works to separate the mixture because sand and gravel differ in which physical property?

Ice cubes are placed on a table in a warm room. What happens to the ice particles?

What causes water to turn into a solid when placed in a freezer?

When ice melts and becomes a liquid, this is a physical change. We know this because

The particles in a substance move differently in different states of matter. Which of the options below shows the states of matter, in order, from the one in which particles move the least, to the one in which particles move the most?

Students heat a white solid in a test tube over a flame. What observation would tell the students that the solid has become a new substance?

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