Thermal Energy Changes: Conduction, Convection, and Radiation

What is the measure of the average kinetic energy of particles?

• Thermal energy

• Heat

• Temperature

• Potential energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which unit of temperature is represented by the symbol 'K'?

• Celsius

• Rankine

• Fahrenheit

• Kelvin

What is the sum of the kinetic and potential energy of all the atoms in an object called?

• Heat

• Temperature

• Thermal energy

• Mechanical energy

Tags

NGSS.MS-PS3-4

In which direction does heat always flow?

• From cooler molecules to warmer molecules

• In all directions equally

• From higher temperature to lower temperature

• From lower temperature to higher temperature

Tags

NGSS.MS-PS3-3

As temperature increases, what happens to kinetic energy?

• It remains the same

• It increases

• It decreases

• It fluctuates

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which type of heat transfer occurs through direct contact of particles?

• Evaporation

• Convection

• Radiation

• Conduction

What is the transfer of energy in a fluid by the movement of heated particles called?

• Diffusion

• Convection

• Conduction

• Radiation

Tags

NGSS.MS-PS3-4

Which type of heat transfer involves energy traveling through waves?

• Conduction

• Convection

• Radiation

• Absorption

Tags

NGSS.MS-PS4-2

What materials do not allow heat to flow through easily?

• Conductors

• Insulators

• Metals

• Liquids

Tags

NGSS.MS-PS3-3

Why are metals good conductors of heat?

• Their particles are loosely packed

• They have high density

• Their particles are tightly packed

• They are shiny