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21 Cards in this Set

  • Front
  • Back
Temperature
how hot or cold something is
degree
the unit of measurement for temperature
heat
a form of energy that makes things warmer
insulator
a material that heat doesn't travel through easily
opaque
does not allow light to pass through
reflect
to bounce off a surface
cell
a source of electricity
circuit
the path electricity flows through
electric current
electricity that flows through a circuit
switch
opens or closes an electric circuit
A material that heat doesn't flow through easily is called a(n)
insulator
An object that light cannot pass through is
opaque
A thermometer is used to measure
temperature
A complete path for electricity to flow through is called a
circuit
To open or close an electrical circuit, you use a
switch
To see how hot something is, we measure its
temperature
When _______ flows to an ice cube, the ice melts.
heat
A flashlight gets electricity from a
cell
Heat, light and electricity are all forms of
energy
Heat, light and electricity are all forms of
energy
Heat is a
a. form of energy
b. compound
c. gas
d. collection of particles
a. form of energy