Thermal Energy

Front

What is the only type of heat transfer that requires no contact?

Back

Radiation is the only type of heat transfer that requires no contact.

Front

In which state of matter are the molecules spaced very far apart and move freely through space?

Back

Gas is the state of matter where molecules are spaced very far apart and move freely.

Front

What is a measure of the average kinetic energy of the molecules in an object?

Back

Temperature is a measure of the average kinetic energy of the molecules in an object.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What happens to temperature as kinetic energy increases?

Back

The higher the kinetic energy, the higher the temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

In which state of matter are the molecules in constant contact but can move around freely?

Back

Liquid is the state of matter where molecules are in constant contact but can move around freely.

Front

What is thermal energy?

Back

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

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Front

What is conduction?

Back

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

Tags

NGSS.MS-PS3-3

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids and gases).

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Front

What is the difference between heat and temperature?

Back

Heat is the energy transferred between objects due to a temperature difference, while temperature measures the average kinetic energy of molecules.

Tags

NGSS.MS-PS3-3

Front

What is absolute zero?

Back

Absolute zero is the theoretical temperature at which all molecular motion stops, equivalent to 0 Kelvin or -273.15°C.

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4