Vriend Thermal Energy 1

Question 1

What are the 3 ways thermal energy is transferred?

Answer 1

Radiation, Convection and Conduction

Question 2

The transfer of energy through direct contact is called_________ .
(Energy moves between molecules that are in contact.)

Answer 2

Conduction

Question 3

The transfer of energy through a liquid or gas is called ________.
(It moves in a current through a liquid or gas.)

Answer 3

Convection

Question 4

The transfer of energy that does not require matter such as liquid, gas, or the contact between two objects is called _______.
(It travels in waves across space)

Answer 4

Radiation

Question 5

Where does radiant energy originate?

Answer 5

It travels to Earth from the sun and does not require matter

Question 6

What do we call the thermal energy that is transferred between two objects that have different temperatures?
(For example, the two objects could be a warm electric blanket and a person’s cold body?)

Answer 6

Heat

Question 7

What is happening to the molecules or particles in ice and cola when warm Coca Cola is poured over the ice?

Answer 7

Heat will transfer from the soda to the ice, melting the ice and making the soda colder.

Question 8

What does temperature measure?

Answer 8

Temperature measures the average kinetic energy (or movement) of the particles of a material.

Question 9

What form of energy transfer forms wind and ocean currents?

Answer 9

Convection, the movement of thermal energy through a liquid.

Question 10

What is kinetic energy?

Answer 10

Kinetic energy is the energy of motion.

Question 11

What does temperature measure?

Answer 11

Temperature measures the average kinetic energy or movement of the particles of a material.