Heat And Energy Study Guide (3Rd Grade)

Front 1

Thermal Energy

Back 1

energy that moves particles in matter

Front 2

Heat

Back 2

movement of thermal energy from warmer objects to cooler objects (hot to cold)

Front 3

Cold molecules move

Back 3

slowly

Front 4

Do cold molecules produce a lot of energy?

Back 4

no

Front 5

Hot molecules move

Back 5

fast

Front 6

Do hot molecules produce a lot of energy?

Back 6

yes

Front 7

A fire in a fireplace is an example of heat being produced by

Back 7

burning

Front 8

friction

Back 8

the force that occurs when one object rubs against another object.

Front 9

Rubbing your hands together is an example of

Back 9

friction

Front 10

Mixing can create

Back 10

heat

Front 11

a heat pack/hand warmer is an example of

Back 11

mixing

Front 12

electricity can produce

Back 12

heat

Front 13

a hair dryer or toaster is an example of

Back 13

electricity

Front 14

a major source of heat is

Back 14

the sun

Front 15

the energy from the sun is

Back 15

solar energy

Front 16

solar energy is transmitted by

Back 16

radiation

Front 17

Do darker items absorb more or less heat than lighter items?

Back 17

more

Front 18

conductor

Back 18

any material that heat moves through easily

Front 19

examples of conductors

Back 19

metal, glass, ceramic pans

Front 20

Which conduct heat faster, glass and ceramic pans, or metal pans?

Back 20

Metal pans

Front 21

insulator

Back 21

any material that does NOT allow heat to pass through it easily

Front 22

examples of insulators

Back 22

plastic handles, wood, fiberglass, oven mitt, winter jacket

Front 23

conduction

Back 23

when heat transfers between two solids that touch each other

Front 24

convection

Back 24

when heat moves through liquids and gases such as an oven or boiling water

Front 25

radiation

Back 25

movement of energy by waves. Heat transfers between objects that are not touching.

Front 26

temperature

Back 26

the measure of how hot or cold something is

Front 27

thermometer

Back 27

a tool that is used to measure temperature in degrees.

Front 28

water boils at what degree

Back 28

212 degrees Fahrenheit and 100 degrees Celsius.

Front 29

water freezes at what degree

Back 29

32 degrees Fahrenheit and 0 degrees Celsius

Front 30

thermostat

Back 30

device that helps keep a room or other area at a desired temperature.

Front 31

Our bodies act like a thermostat when we get too hot or cold by

Back 31

making us sweat or shiver.

Front 32

Back 32

conduction

Front 33

Back 33

convection

Front 34

Back 34

conduction

Front 35

Back 35

insulator

Front 36

Back 36

convection

Front 37

Back 37

radiation