States of Matter and Phase Changes

What is the term for the measure of how much matter is in an object?

• Weight

• Volume

• Density

• Mass

What is the term for the amount of space an object occupies?

• Mass

• Density

• Volume

• Weight

What state of matter has particles that are far apart and have lots of energy?

• Solid

• Liquid

• Gas

• Plasma

What happens to the kinetic energy of particles as temperature increases?

• It decreases.

• It remains constant.

• It increases.

• It fluctuates.

What happens to the particles in a solid when it is heated?

• They gain energy and may start to vibrate more.

• They lose energy and become more compact.

• They remain stationary and unchanged.

• They break apart and become a liquid.

What is the state of matter that has a definite shape and volume?

• Liquid

• Gas

• Solid

• Plasma

What is the term for the change of state from gas to solid?

• Sublimation

• Condensation

• Deposition

• Evaporation

What is the term for the temperature at which a substance changes from liquid to gas?

• Melting point

• Boiling point

• Freezing point

• Sublimation point

Which state of matter has a definite volume but no definite shape?

• Solid

• Liquid

• Gas

• Plasma

What is the change of state from solid directly to gas?

• Melting

• Sublimation

• Evaporation

• Condensation