Temperature and Heat Transfer

What is temperature?

• A measure of coldness.

• A measure of hotness.

• A measure of the average kinetic energy of the particles in a substance.

• A measure of the total amount of energy in a subtance.

Tags

NGSS.MS-PS1-4

Heat transfers from ________ to _________.

• Cold / Hot

• Hot / Cold

Tags

NGSS.MS-PS1-4

A cold spoon in a cup of hot chocolate. Thermal energy transfers from the

• spoon to the hot chocolate.

• hot chocolate to the spoon.

• heat does not transfer.

Tags

NGSS.MS-PS1-4

Why do ice cubes melt?

• They give their energy to the drink.

• The drink transfers energy to the ice cube.

Tags

NGSS.MS-PS1-4

When does heat transfer between two objects stop?

• When the objects reach thermal equilibrium.

• When both objects run out of energy.

• Thermal energy (heat transfer) never stops.

Tags

NGSS.MS-PS3-4

When a system is gaining energy, what is happening to its particles? (Select 2)

• they are gaining kinetic energy.

• they are losing kinetic energy.

• they are moving faster.

• they are moving slower.

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NGSS.HS-PS3-2

NGSS.HS-PS3-4

When a system is losing energy, what is happening to its particles? (Select 2)

• They are losing kinetic energy.

• They are gaining kinetic energy.

• They are slowing down.

• They are going faster.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Which of these would be the hottest?

• A

• B

• C

Tags

NGSS.MS-PS1-4

Which of these would be the coldest?

• A

• B

• C

Tags

NGSS.MS-PS1-4

The image shows the end result of thermal energy transfer. What is it called when both objects reach the same temperature?

• Thermal equality.

• Equal heat

• Thermal Equilibrium

• Temperature Samenessism

Tags

NGSS.MS-PS1-4