Heat Flow and Thermal Equilibrium

Which of the following is NOT true about temperature?

• Temperature is a form of heat energy.

• Temperature is measured in degrees celcius or kelvin.

• Temperature is the degree of hotness or coldness of an object.

• Temperature increases in a hot environment.

Tags

NGSS.MS-PS1-4

Which of the following is NOT true about heat?

• Heat moves from hot places to cold places.

• Heat is a form of energy.

• Heat cannot be transferred.

• Heat makes molecules speed up.

Tags

NGSS.MS-PS1-4

What are the three methods of heat transfer?

• conduction

• convection

• friction

• radiation

If you burn your hand on the handle of a hot pan, heat was transferred to your skin by

• conduction

• convection

• radiation

• equilibrium

The spoon becomes hot because heat is transfer through

• conduction

• convection

• radiation

Tags

NGSS.MS-PS1-4

Which pin or paperclip dropped off the metal rod first?

• A

• B

• C

Tags

NGSS.MS-PS2-2

The type of heat transfer that creates currents in water is called ________.

• conduction

• convection

• radiation

Tags

NGSS.MS-ESS2-6

Near the ceiling of a room the air is warmer. The warm air rises because of ________.

• conduction

• convection

• radiation

Diagram shows an activity conducted by a student. It is found that the spiral-shaped cardboard rotates. What inference can be made from the activity?

• Hot air above the candle rises through radiation.

• Hot air above the candle rises through convection.

• Hot air above the candle rises through conduction.

• Hot air above the candle propagate through vacuum and rises.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The diagram shows a refrigerator. The cooling unit is placed at the top. The cooling unit cools the air near it. What happens to the density of the air as it cools, and how does it move?

• The density of air increases. It moves down.

• The density of air increases. It moves up.

• The density of air decreases. It moves down.

• The density of air decreases. It moves up.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3