7.PS.8 & 7.PS.9

Question 1

Energy cannot be created or destroyed just transformed (under normal conditions).

Answer 1

Law Of Conservation Of Energy

Question 2

Thermal energy that flows due to a difference in temperature. Heat flows from hot to cold

Answer 2

Heat

Question 3

A method by which heat flows (conduction, convection, radiation)

Answer 3

Heat transfer

Question 4

Heat transfer within or between solid objects.

Answer 4

Conduction

Question 5

Heat transfer into or out of fluids.

Answer 5

Convection

Question 6

Heat transfer due to packets of energy called photons that can travel through many substances, even empty space.

Answer 6

Radiation

Question 7

A material through which energy (electrical, thermal, or sound) cannot be easily transferred.

Answer 7

Insulator

Question 8

A material which energy ( electrical, thermal, or sound) can be easily transferred.

Answer 8

Conductor

Question 9

The measure of the average speed of all particles.

Answer 9

Temperature

Question 10

The total energy of all particles in an object.

Answer 10

Thermal energy