Thermal Energy & Transformations

The transfer of energy through molecules in direct contact is ...

• Heat

• Conduction

• Convection

• Radiation

The flow of energy that occurs when a warm liquid or gas rises ..

• Heat
• Conduction
• Convection
• Radiation

The transfer of energy by electromagnetic waves.

• Heat
• Conduction
• Convection
• Radiation

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which sentence explains why a cold metal spoon placed in a pot of boiling water becomes hot?

• Thermal energy is transferred from the spoon to the water by conduction

• Thermal energy is transferred from the water to the spoon by conduction.

• Thermal energy in the water is transformed into kinetic energy in the spoon by convection.

• Thermal energy in the spoon is transformed into kinetic energy in the water by convection.

Tags

NGSS.MS-PS3-3

In a lava lamp, the warm part rises and the cool part sinks.  This is an example of 

• heat computation
• convection
• conduction
• radiation

_________________ are observed in liquids and gases (air).

• convection currents
• radiation waves
• thermal conductivity
• conductors

Tags

NGSS.MS-ESS2-6

The movement of thermal energy from a region of _________________ temperature to a region of _____________________ temperature is called heat.

• higher, lower
• cooler, warmer
• lower, higher
• medium, medium

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The rubber that makes up the handle on the pan is considered a thermal ___________________ because thermal energy moves slowly through this material.

• conductor
• insulator
• regulator
• temperature

Tags

NGSS.MS-PS3-3

Which example below is an example of conduction?

• Boiling macaroni
• The attic is warmer than the basement
• The Sun heating the Earth
• Touching hot sand with your feet

Which example below is an example of convection?

• Standing on a hot metal bridge
• The attic is warmer than the basement
• The Sun heating the Earth
• Touching hot sand with your feet

Tags

NGSS.MS-ESS2-6