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100

What matter is made of.

What are atoms?

100

The change of a liquid to a solid.

What is freezing?

100

Touch describes these three properties of matter.

What are hardness of an object, the texture of an object, and how easily an object bends without breaking?

100

These are three extensive properties of matter.

What are mass, size and volume?

200

The state of matter that is tightly packed atoms that cannot move around freely.

What is a solid?

200

The change of a liquid to a gas.

What is evaporation?


200

This property of matter reflects how much mass takes up a certain amount of space.

What is density?

200

These are the three special properties of metals.

What are malleability, ductility and luster?

300
The state of matter that has a definite volume, but takes the shape of its container.

What is liquid?

300

The change of a solid to a liquid.

What is melting?

300

This property of measure indicates how much thermal energy an object has.

What is temperature?

300

Steel, brass and bronze are examples.

What are alloys?

400

The state of matter that takes the shape and volume of its container.

What is gas?

400

These two things take place when a substance is warmed (heat is added).

What is melting and evaporation?

400

How well an object transfers thermal energy (heat) and how much a substance resists electricity flowing through it.

What does conductivity describe?

400

A change in an object's size and/or shape and a change that does not change the chemical makeup of a a substance.

What is a physical change?

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