Thermal 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

The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer. 

• conduction
• convection
• radiation

Tags

NGSS.4-PS3-2

Warm air rises and the cool air sinks demonstrates this type of heat transfer. 

• conduction
• convection
• radiation
• Insolation 

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

An iron bar is placed in a flame, as shown, and is heated until the end glows.The other end of the iron bar soon becomes hot, too.  Which of the following statements best describes why the iron bar becomes hot to the touch?

• a convective flow of energy is set up inside the iron bar.
• energy is conducted from atom to atom along the length of the iron bar.

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

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

Hot things have ____________ thermal energy than cold things

• more

• less

• same

• potato

Tags

NGSS.MS-PS1-4

Objects with MORE MASS have______________

• lower potential energy

• lower number of atoms

• higher thermal energy

• higher temperature

Tags

NGSS.MS-PS3-2

Cold things often have a _________ kinetic energy because_______

• lower; particles are moving around less

• lower; particles are moving around more

• higher; particles are moving around the same

• higher; particles do not move

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4