Heat Energy

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high
• It can travel high to low and low to high. 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A cup of tea with a temperature of 80 degrees Celsius is placed on a table in a 20 degree Celsius room.  What happens to the thermal energy and the molecular motion of the tea when it is left on the table?

• The thermal energy increases and the molecules move faster.
• The thermal energy decreases and molecules move more slowly.
• The thermal energy increases and the molecules move more slowly.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A student touches a metal sink with her finger and notices that her finger feels cold.  Which of the following statements explains this observations?

• Heat energy flows from the student's finger to the metal.
• Heat energy flows from the metal sink to the student's finger.
• The student's finger was originally at the same temperature as the sink.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Measurements inside a sealed container show that the pressure exerted by a gas increases as the thermal energy of the gas increases.  Which of the following best explains this pressure increase?

• The gas molecules stick to the walls of the container.
• The gas molecules begin to bond together into heavier molecules.
• The gas molecules move faster and strike the container walls more frequently.

Tags

NGSS.MS-PS1-4

Kinetic Energy is the energy of _________

• thermal

• movement

• potential

• atoms

Tags

NGSS.MS-PS3-4

Everything has thermal energy

• False

• True

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

All matter is made up of atoms that are constantly moving

• True

• False

Tags

NGSS.MS-PS1-4

Thermal energy is the __________ _________ energy of moving particles

• total potential

• average potential

• average kinetic

• total kinetic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Temperature is the __________ _________ energy of moving particles

• average potential

• average kinetic

• total potential

• total kinetic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Hot things have ____________ thermal energy than cold things

• more

• less

• same

• potato

Tags

NGSS.MS-PS1-4