Understanding Liquids

Which of the following is true about liquids?

• They have a definite shape but no definite volume.

• They have no definite volume or shape.

• They have a definite volume but no definite shape.

• They have a definite shape and volume.

What is the primary reason liquids can flow?

• They have a definite shape.

• Their molecules are free to move and rearrange.

• They are heavier than gases.

• Their molecules are tightly packed.

How do molecules in a solid differ from those in a liquid?

• Molecules in a solid are free to move.

• Molecules in a solid are denser and packed together.

• Molecules in a solid are less dense.

• Molecules in a solid are more spaced out.

What happens to a solid when it is heated to a high temperature?

• It becomes a liquid.

• It remains a solid.

• It evaporates.

• It becomes a gas.

Which of the following best describes water's behavior in a container?

• It retains its shape regardless of the container.

• It takes the shape of the container but retains its volume.

• It changes its volume to fit the container.

• It evaporates immediately.