States of Matter Characteristics

The video tutorial explains that everything exists in one of three states: solid, liquid, or gas. Solids have a fixed shape and volume, liquids have a fixed volume but take the shape of their container, and gases have neither fixed shape nor volume. Examples of each state are provided to illustrate these properties.

Which of the following is a characteristic of solids?

• They can flow easily.

• They change shape without force.

• They are mostly invisible.

• They have a fixed volume.

Which of these is an example of a solid?

• Water

• Steam

• Brick

• Air

What is a unique property of liquids?

• They fit the shape of their container.

• They have a fixed shape.

• They can be held in your hand.

• They are mostly invisible.

Which of the following is NOT a liquid?

• Rain

• Helium

• Milk

• Soup

What is a common characteristic of gases?

• They are mostly visible.

• They have a fixed volume.

• They have a fixed shape.

• They can be squashed and blown around.

Which of these is an example of a gas?

• Soup

• Milk

• Oxygen

• Brick