Physical Science Review

A teacher opened each container shown in front of his class. The material from which container most likely spread evenly throughout the classroom.

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• The tank will decrease in mass.

• The bucket will increase in volume.

• The water will become a different color.

• The water will take on a different shape.

• Air takes the shape of its container.

• Air has no color.

• Air does not have an odor.

• Air changes temperature quickly.

Which of these describe a property of all matter?

• All matter gives off light.

• All matter is attracted by magnets.

• All matter is made of atoms.

• All matter dissolves in water.

Which of these is evidence that air is made of particles of matter?

• You can feel wind against your face.

• You can see through the atmosphere into space.

• On a hot day, the air feels warmer than water in a lake.

• When you drop a heavy object in the air, it falls until it hits a hard surface.

The small particles found in matter are always

• shrinking

• splitting

• escaping

• moving

An ice cube melts and then evaporates. The ice cube and the water vapor have the same

• mass

• density

• volume

• temperatuer

A group of students weighted a sealed jar full of heavy cream. Then they shook the jar until the cream separated, and then they weighed the jar again. Which of the following would best describe its weight?

• The jar will have gained weight because some liquid changed to a solid.

• The jar will have gained weight because shaking added energy to it.

• The jar will have lost weight because of friction from shaking the liquid.

• The jar will have kept the same weight because it did not gain or lose any matter.

A jeweler melts gold to make jewelry. As the gold melts, the mass

• increases

• decreases

• is destroyed

• stays the same

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