Amplify - Thermal Energy Review

Front

Molecules move at the same speed no matter what the temperature.

Back

False. Molecules move faster at higher temperatures due to increased thermal energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

There will always be heat transfer between two objects that are touching if...

Back

There is a difference in temperature between samples.

Tags

NGSS.MS-PS1-4

Front

Energy transfers occur when...

Back

They collide with each other.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-5

Front

True or false? Sample A molecules are in motion with energy.

Back

True. All molecules in a sample have kinetic energy and are in motion.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

Kinetic energy is the energy of...

Back

Motion. It is the energy an object possesses due to its movement.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

What is thermal energy?

Back

Thermal energy is the total kinetic energy of all the particles in an object.

Tags

NGSS.MS-PS3-4

Front

What happens to molecules when heat is added?

Back

They move faster and spread apart, increasing the temperature of the substance.

Tags

NGSS.MS-PS1-4

Front

What is heat transfer?

Back

Heat transfer is the movement of thermal energy from one object to another due to a temperature difference.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

What are the three methods of heat transfer?

Back

Conduction, convection, and radiation.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.