practice quiz thermal

energy transfer through particle-particle collisions and movement is called as:

• convection

• conduction

• radiation

• heat

a measure of the average random kinetic energy of the molecules

• Internal energy

• Temperature

• heat

• specific heat

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

• one reaches a temperature of zero
• they both have an equal temperature
• one runs out of energy

To convert from Celsius to Kelvin:
 
K = Degrees Celsius + __________  

• 251 K
• 275 K
• 213 K
• 273 K

Cold Pack on Person

• Heat is transferred from the cold pack to the person.

• Heat is transferred from the person to the cold pack

• The cold pack is getting warmer. The person is getting colder.

• The cold pack is getting colder. The person is getting warmer.

Hand Warmer in a Hand

• Heat is being transferred from the hand warmer to the hand.

• Heat is being transferred from the hand to the hand warmer.

• The hand is getting warmer. The hand warmer is getting cooler.

• The hand warmer is getting warmer. The hand is getting cooler.

Hot coffee is stirred with a spoon; the spoon gets hot due to

• conduction
• convection
• radiation

Near the ceiling of a room the air is warmer; the warm air rises because of

• conduction
• convection
• radiation

Ironing a shirt is an example of...

• condensation
• conduction
• convection
• radiation

Molecules in cold things move more _________
than in hot things.

• quickly
• slowly
• happily
• merrily