HEAT ENERGY
Review
The flow of energy from one
material to another is ___.
heat
Heat moves from _______
objects to cooler objects.
warmer
When warm and cool objects touch, energy is ______ from the warmer object to the cooler object.
transferred
Heat is produced by ______ when two objects, such as your hands, are rubbed together.
friction
A material that does not
transfer heat very well is called
an ______.
insulator
The opposite of an insulator is a _______, which allows heat to transfer quickly.
conductor
______ is a measure of how
hot or cold something is.
temperature
Name the two scales used for measuring temperature.
Fahrenheit
Celsius
IMPORTANT TEMPERATURES TO REMEMBER
Fahrenheit Celsius
Boiling 212° 100°
Freezing 32° 0°
Body 98.6° 37°
•What word means to get larger?
expand
What word means shrinks?
contracts
One major source of
heat is the _________.
sun
________ fuels formed millions of years ago from the remains of plants and animals. fossil
Fossil fuels provide energy
when they are ___________.
burned
Name three fossil fuels.
coal
oil
natural gas
Are fossil fuels renewable or nonrenewable? nonrenewable