7th grade Science

Front

The energy transferred from an object at a higher temperature to an object at a lower temperature is ________.

Back

heat

Front

Heat always flows from ___________ to _____________.

Back

hot to cold

Front

Which of the following is an example of a chemical change?

Back

Burning wood

Front

Energy of motion is which type of energy?

Back

Kinetic

Front

Which process is a physical change?

Back

Evaporation

Front

What is the definition of kinetic energy?

Back

The energy an object possesses due to its motion.

Front

What is the definition of potential energy?

Back

The energy stored in an object due to its position or state.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What is the definition of temperature?

Back

A measure of the average kinetic energy of the particles in a substance.