Unit 2 Chemical Reaction & Energy Vocabulary

Front

What is an endothermic reaction?

Back

A chemical reaction in which more energy is taken in than is given off, resulting in a decrease in temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What temperature scale is primarily used in the United States?

Back

Fahrenheit.

Front

What is an insulator?

Back

A substance that does not allow energy to travel easily through it.

Tags

NGSS.MS-PS3-3

Front

What is conduction?

Back

The flow of heat from one object to another by direct contact between the objects.

Front

What is convection?

Back

The flow of thermal energy that occurs when a warm liquid or gas moves from one place to another.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Front

What is an exothermic reaction?

Back

A chemical reaction in which energy is released, usually in the form of heat, resulting in an increase in temperature.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

Front

What is the difference between conduction and convection?

Back

Conduction is heat transfer through direct contact, while convection is heat transfer through the movement of fluids.

Front

What is thermal energy?

Back

The total kinetic energy of particles in a substance, which determines its temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Front

What is the role of a conductor in energy transfer?

Back

A conductor is a substance that allows energy, especially heat, to flow easily through it.

Tags

NGSS.MS-PS3-3

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-2

NGSS.HS-PS3-5