States and Properties of Matter

Front

What is the difference between dry ice and water? Dry ice is made of ________. Water is made of ________.

Back

Dry ice is made of carbon dioxide (CO2). Water is made of H2O.

Front

Density is a physical property that describes how much matter is in a certain amount of space. Which picture shows the highest density?

Back

Density is defined as mass per unit volume. The picture with the most compact arrangement of particles shows the highest density.

Front

Cutting your hair is an example of a(n) __________ .

Back

Cutting your hair is an example of a physical change.

Front

True or False. When pressure is added to water, temperature goes up and the water molecules move faster.

Back

True.

Front

Going from a liquid to a gas is called ______________.

Back

Going from a liquid to a gas is called evaporation.

Front

What is the definition of a solid?

Back

A solid is a state of matter that has a definite shape and volume.

Front

What is the definition of a liquid?

Back

A liquid is a state of matter that has a definite volume but takes the shape of its container.

Front

What is the definition of a gas?

Back

A gas is a state of matter that has no definite shape or volume and expands to fill its container.

Front

What is sublimation?

Back

Sublimation is the process where a solid changes directly into a gas without becoming a liquid first.

Front

What is condensation?

Back

Condensation is the process where a gas changes into a liquid.