Thermal Equilibrium and Heat

You are walking to school and find a metal earring in the snow. You take the cold earring inside and place it on your desk. What will happen after a while?

• The earring will be colder than the desk

• The earring and the desk will be colder than room temperature

• The desk will be colder than room temperature

• Both the earring and the desk will be at room temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Johnny put ice in his water. Which idea do you think best explains why the water got cold?

• The coldness from the ice moved into the water

• The coldness and the heat moved back and forth until the water cooled off.

• The heat from the water moved into the ice.

• The water does not cool of

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Energy will always be transferred from the...

• hotter sample to the colder sample

• colder sample to the hotter sample

Tags

NGSS.MS-PS1-4

Heat always moves from _____________ to ______________.

• cold; hot

• cold; cold

• hot; cold

• hot; hot

Warm water in a swimming pool is at the top while cold water gets pushed down.

• Conduction

• Convection

• Radiation

a spoon in a cup of hot soup becomes warmer

• Conduction

• Convection

• Radiation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Heated air rises, cools, then falls.  Air near heater is replaced by cooler air, and the cycle repeats

• Conduction

• Convection

• Radiation

Transfer of heat that occurs when two objects of different temperatures touch. 

• Conduction

• Convection

• Radiation

What are some examples of heat transfer?

• conduction

• convection

• radiation

• all of the above

Tags

NGSS.MS-PS3-4

hot water rises and cold water sinks 

• Conduction

• Convection

• Radiation