Front

What happens to the amount of water when it freezes into ice?

Back

When the ice froze, it had the same amount of water as it did when it was a liquid.

Front

What do particles in a liquid look like?

Back

Particles that make up a liquid are closely packed but can move around each other.

Front

What is sugar water made of?

Back

It is made up of more than one type of molecule.

Front

What is a gas?

Back

Gas is a type of matter that has no fixed shape and can fill any container.

Front

How can you show that gas is a type of matter?

Back

A balloon filled with air and then letting it out demonstrates that gas takes up space.

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is a molecule?

Back

A molecule is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.

Front

What is the difference between a solid, liquid, and gas?

Back

Solids have a fixed shape, liquids take the shape of their container, and gases fill the entire volume of their container.

Front

What is a property of a substance?

Back

A property is a characteristic that can be observed or measured, such as color, smell, or solubility.

Front

How can you determine the properties of unknown powders?

Back

You can smell, taste, or test if they dissolve in certain liquids.