Thermal Energy

What would be the thermal equilibrium temperature for an object with a temperature of 10^oC if it comes in contact with an object with a temperature of 20^oC?

• 15^oC
• 30^oC
• 20^oC
• 10^oC

Tags

NGSS.MS-PS1-4

After taking a hot shower, James steps out of the shower onto the tile floor. The tile felt cold to his feet. Which explanation below best describes James' experience?

• Heat from his feet is transferred to the tile floor
• Heat from the tile floor is transferred to his feet
• Cold from the tile floor is transferred to his feet
• Cold from his feet is transferred to the tile floor

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Materials such as rubber, wood, and plastics that do not allow heat to pass through them easily are called-

• insulators
• conductors
• radiators
• solar collectors

According to the kinetic theory of matter, molecules of matter are always in CONSTANT random motion. From greatest to least rank the amount of kinetic energy of solid, liquid, and gaseous molecules.

• gas, liquid, solid
• gas, solid, liquid
• liquid, gas, solid
• solid, liquid, gas

Tags

NGSS.MS-PS1-4

Why does a cup of water become colder when ice is added?

• Heat flows from the water to the ice
• Heat flows from the ice to the water
• Cold flows from the ice to the water
• Cold flows from the water to the ice

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Observe the diagram. Which letter best represents radiation?

• Letter A
• Letter B
• Letter C

There are ____ ways to transfer heat energy.

• 3
• 2
• 6
• 5

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-3

Observe the diagram. Which statement is true about the kinetic energy of the molecules in the containers?

• The molecules are moving faster in Diagram A
• The molecules are moving slower in Diagram A
• The molecules are moving at the same rate in both diagrams

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

Heat energy flows from HOT to COLD.

• True
• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Based on the graph below, the two substances have reached-

• thermal equilibrium
• thermal entropy
• thermal conductivity

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4