Chapter 10 Vocab

Question 1

Substances that are poor conductors of thermal energy. (Wood, plastic,gas)

Answer 1

Insulator

Question 2

The transfer of heat due to movement of a substance. (Fluids: liquids, gases)

Answer 2

Convection

Question 3

The transfer of energy by means of electromagnetic waves.

Answer 3

Radiation

Question 4

Radiation emitted by the Earth.

Answer 4

Terrestrial Radiation

Question 5

Matter with a definite shape and volume.

Answer 5

Solid

Question 6

Matter with definite volume but no definite shape.

Answer 6

Liquid

Question 7

Matter with no definite volume or shape.

Answer 7

Gas

Question 8

Exists inside stars.

Answer 8

Plasma

Question 9

Liquid changes to a gas without heating. Some water gains KE and breaks free. (Clouds)

Answer 9

Evaporation

Question 10

Gas molecules lose KE when in contact with a cooler substance, creating a liquid. (Dew)

Answer 10

Condensation

Question 11

Change in phase from a solid to a gas without going through a liquid phase. (Dry ice)

Answer 11

Sublimation

Question 12

Changing from a liquid to a gas with heating.

Answer 12

Boiling

Question 13

Changing from a solid to a liquid. (Molecules gain energy)

Answer 13

Melting

Question 14

Changing from a liquid to a solid. (Molecules lose energy)

Answer 14

Freezing

Question 15

Changing from a gas to a solid. (Molecules lose energy) Ex. Frost

Answer 15

Deposition

Question 16

The amount of energy needed to change any substance from a solid to a liquid.

Answer 16

Heat of Fusion

Question 17

The energy needed to change any substance from a liquid to a gas.

Answer 17

Heat of Vaporization

Question 18

The transfer or movement of thermal energy without movement of the materials. (Metals)

Answer 18

Conduction