Heat Matter Molecular Energy

If the particles of two substances have the same average kinetic energy, then

• the specific heats of the substances are identical.
• the particles will not react chemically.
• the substances have equal thermal energies.
• the substances have equal temperatures.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Two jars are placed inside an insulated box.  One jar contains ice water and the other contains hot soup.  What will happen to the two liquids?

• Both the hot soup and the ice water will gain heat.
• Both the hot soup and the ice water will lose heat.
• The hot soup will gain heat, and the ice water will lose heat.
• The hot soup will lose heat, and the ice water will gain heat.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The bulb of a thermometer is placed in your mouth.  Which of the following explains why the level of the liquid rises in the thermometer?

• Hot air rises inside the thermometer.
• Heat energy changes into light energy.
• The liquid expands when heated.
• Heat can change a solid into a liquid.

Tags

NGSS.MS-PS1-4

What is temperature

• The average kinetic energy of the atoms

• The kinetic energy and the mass of a substance

• The sum of the kinetic and potential energy

• The transfer of kinetic energy

Tags

NGSS.MS-PS1-4

What is heat

• The average kinetic energy of the atoms and molecules

• The transfer of kinetic energy

• The sum of the potential and kinetic energy

• The kinetic energy and the mass of the substance.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-5

What is thermal energy

• The average kinetic energy of the atoms and molecules

• The transfer of kinetic energy

• The kinetic energy and the mass of a substance

• The sum of the potential and kinetic energy in a substance

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is total internal energy

• The average kinetic energy of the atoms and molecules

• The transfer of kinetic energy

• The kinetic energy of the particles and the mass of the substance.

• The sum of the potential and kinetic energy of a substance.

Tags

NGSS.MS-PS3-4

What is kinetic energy

• Stored energy

• energy of motion

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is potential energy?

• Stored energy

• Energy of motion

Tags

NGSS.MS-PS3-2

If the kinetic energy of a substance increases then

• The temperature will decrease

• The temperature will increase

• The temperature will stay the same.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4