Chapter 6

Question 1

temperature

Answer 1

average kinetic energy of an object’s particles

Question 2

thermal expansion

Answer 2

an increase if an object’s size due to an increase of temperature

Question 3

absolute zero

Answer 3

temperature where there is no particle motion

Question 4

heat

Answer 4

energy transferred between two objects at different temperatures

Question 5

thermal energy

Answer 5

kinetic energy of a substance’s atoms

Question 6

thermal conduction

Answer 6

heat transfer through a material

Question 7

thermal conductors

Answer 7

material through which energy can be tranferred as heat

Question 8

thermal insulator

Answer 8

material that reduces or prevents the transfer of heat

Question 9

convection

Answer 9

transfer of heat by circulation of a liquid of gas

Question 10

radiation

Answer 10

transfer of heat by electromagnetic waves

Question 11

specific heat

Answer 11

quantity of heat required to raise a unit of mass homogeneous material 1K or 1C in a specified way given constant pressure and volume

Question 12

state of matter

Answer 12

the physical forms of matter

Question 13

change of state

Answer 13

when a substance changes its physical form

Question 14

insulation

Answer 14

substance the reduces transfer of heat

Question 15

heat engine

Answer 15

machine that transfers heat into mechanical energy

Question 16

thermal pollution

Answer 16

temperature increase in water that is caused by human activity and has a harmful effect on the water quality and its ability to support life