Heat Energy

Which is an example of heat energy?

(There maybe multiple answers)

• Toaster

• Sun

• Wood

• McDonald's Burger

Heat flows from __________ objects to ___________ objects.

• cooler, warmer

• warmer, cooler

• bigger, smaller

• smaller, bigger

Heat and temperature are the same.

• True

• False

We can tell how hot or cold something is by measuring its ___________.

• Heat

• Temperature

Why does a cup of hot tea become less warm when ice-cubes are put in it?

• because heat was transferred from the ice-cubes to the hot tea

• because heat transfer occurred from the hot tea to the ice-cubes until the temperature is the same.

• because no heat was transferred

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What kind of material that allows heat to move through it easily?

• Conductor

• Thermometer

• Friction

• Insulator

Which of these materials are good conductors?

(There may be more than one answer)

• Metal

• Glass

• Gold

• Wood

Which is the best insulator?

• Wood

• Aluminium

• Copper

• Gold

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What happens when a metal ball is heated?

• The metal ball remains unchanged

• The metal ball contracts

• The metal ball expands

The liquid in thermometer drops when it is placed in a glass of ice water because ____________.

• it gains heat from the hot water and expands.

• it loses heat and contracts.

• the surrounding air is too cold.