Chapter 13 Heat And Temperatures

Question 1

Measurement of how hot or cold something is

Answer 1

Temperature

Question 2

Shows the changes of temperature

Answer 2

Thermometer

Question 3

Temperature where molecular energy at a minimum

Answer 3

Absolute zero

Question 4

Energy transferred between objects at different temperatures

Answer 4

Heat

Question 5

Energy transfers as heat through a material

Answer 5

Thermal conduction

Question 6

Movement of matter due to different densities caused by temperature variations

Answer 6

Convection

Question 7

Air currents move vertically due to temperature variations

Answer 7

Convection current

Question 8

Energy transferred as electromagnetic waves

Answer 8

Radiation

Question 9

Quantity of heat needed to raise a unit mass of homogeneous material

Answer 9

Specific heat

Question 10

Materials that allow energy to be easily transferred as heat

Answer 10

Conductor

Question 11

Energy transferred as heat that include infrared radiation, visible light, and ultraviolet rays

Answer 11

Electromagnetic waves

Question 12

Reduces energy transfer

Answer 12

Insulator

Question 13

Refrigerant

Answer 13

A material used to cool an area or an object to a temperature that is lower than the temperature of the environment

Question 14

Heat engine

Answer 14

A machine that transforms heat into mechanical energy, or work.