Flashback 35

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together. They can only be separated by chemical means.

Front

What is heat?

Back

Heat is the transfer of thermal energy from a warmer object to a cooler one.

Front

What is evaporation?

Back

Evaporation is the process that occurs when water changes from a liquid to a gas.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

What is an element?

Back

An element is a pure substance that consists of only one kind of atom and cannot be broken down into simpler substances.

Front

What is thermal energy?

Back

Thermal energy is the total energy of all the particles in an object, related to its temperature.

Front

What is condensation?

Back

Condensation is the process by which water vapor in the air is changed into liquid water.

Front

What is melting?

Back

Melting is the process of changing a solid into a liquid by adding heat.

Front

What is freezing?

Back

Freezing is the process of changing a liquid into a solid by removing heat.

Front

What is temperature?

Back

Temperature is a measure of the average kinetic energy of the particles in a substance.