States of Matter Quiz

Which state of matter has atoms or molecules that are closely packed and do not change relative locations?

• Solid

• Liquid

• Gas

• Plasma

Which state of matter has molecules that flow and take the shape of their container but have a definite volume?

• Solid

• Liquid

• Gas

• Plasma

What is the term used to describe the amount of space an object occupies?

• Mass

• Volume

• Density

• Weight

What is the molecular composition of water?

• Two oxygen atoms and one hydrogen atom

• Two hydrogen atoms and one oxygen atom

• One hydrogen atom and one oxygen atom

• Three oxygen atoms

What happens to the kinetic energy of molecules in a substance when heat is added?

• It decreases.

• It remains the same.

• It increases.

• It disappears.

What is the melting point of water?

• 100°C

• 0°C

• 50°C

• -10°C

What happens to the space between molecules as the motion of molecules increases during melting?

• The space decreases.

• The space remains the same.

• The space increases.

• The space disappears.

At what temperature does water boil and change from a liquid to a gas?

• 0°C

• 50°C

• 100°C

• 200°C

Why is the boiling temperature of water not universal for all materials?

• Because it depends on the material's unique properties.

• Because water is the only substance that boils.

• Because boiling does not involve temperature.

• Because all materials boil at 100°C.

What happens to the kinetic energy of molecules when heat is removed from a substance?

• It increases.

• It remains the same.

• It decreases.

• It doubles.