Understanding Matter: Solids, Liquids, and Gases

What is a fundamental property of matter?

• It has mass and occupies space.

• It can change color.

• It can disappear.

• It is always visible.

Which of the following best describes a solid?

• It flows and takes the shape of its container.

• It is firm and maintains its shape.

• It is invisible and spreads out.

• It evaporates quickly.

How do liquids behave in a container?

• They maintain a fixed shape.

• They take the shape of the container.

• They disappear.

• They float above the container.

What is a characteristic of gases?

• They are always visible.

• They spread out and fill any space.

• They take the shape of their container.

• They are always solid.

What should you remember about matter when observing the world around you?

• It is only visible in solids.

• It is not important.

• It is present in every shape and kind.

• It is only found in liquids.