Thermal Energy

Question 1

the measure of the average kinetic energy of the particles in matter

Answer 1

temperature

Question 2

the total kinetic energy of moving particles of matter

Answer 2

thermal energy

Question 3

factors of thermal energy

Answer 3

mass and temperature

Question 4

transfer of thermal energy

Answer 4

heat

Question 5

thermal energy always transfers from ____________________ substances

Answer 5

warmer to cooler

Question 6

thermal energy is transferred until both substances have the same _______________

Answer 6

temperature

Question 7

ice cools down a warm soda by accepting ___________________ from the soda

Answer 7

thermal energy

Question 8

example of a substance without thermal energy

Answer 8

none - all substances have thermal energy

Question 9

SI unit for temperature

Answer 9

degrees Kelvin

Question 10

SI unit for thermal energy

Answer 10

Joule

Question 11

If two objects have the same temperature, but different masses, which one will have more thermal energy?

Answer 11

the one with greater mass

Question 12

If two objects have the same amount of thermal energy, but different masses, which one will have the higher temperature?

Answer 12

the one with lower mass

Question 13

If two objects have the same temperature, which one will have less thermal energy?

Answer 13

the one with lower mass

Question 14

If two objects have the same thermal energy, which one will have the lower temperature?

Answer 14

the one with greater mass

Question 15

the transfer of thermal energy between particles of matter that are touching

Answer 15

conduction

Question 16

thermal energy is always transferred from matter with a ______________ energy to matter with a ____________ energy

Answer 16

higher, lower

Question 17

particles of warmer matter move more__________ than particles of cooler matter

Answer 17

quickly

Question 18

particles of cooler matter move more __________ than particles of warmer matter

Answer 18

slowly

Question 19

this phase of matter conducts thermal energy better than other phases

Answer 19

solid

Question 20

this type of material conducts thermal energy better than other types

Answer 20

metal

Question 21

metals conduct thermal energy really well because they have

Answer 21

free unlocalized electrons

Question 22

form of heat transfer that occurs in solids

Answer 22

conduction

Question 23

form of heat transfer in which substances maintain their density

Answer 23

conduction

Question 24

form of heat transfer in which molecules stay in place

Answer 24

conduction

Question 25

form of heat transfer that occurs in fluids

Answer 25

convection

Question 26

fluids consist of

Answer 26

liquids and gases

Question 27

form of heat transfer in which substances change density

Answer 27

convection

Question 28

form of heat transfer in which molecules move in currents

Answer 28

convection

Question 29

all heat transfer is caused by

Answer 29

uneven heating

Question 30

all heat transfer results in temperature…

Answer 30

`equilibrium