Vocabulary
the ability to do work
energy
Plastic: Conductor or Insulator
Insulator
Energy is not created or destroyed, it only changes forms.
Conservation of Energy
A battery uses ____________ energy to create ___________ energy.
chemical, electrical
this form of energy cooks food in boiling water
thermal energy
Any material that transfers heat easily.
Conductor
Copper: Conductor or Insulator
Conductor
The amount of kinetic energy depends on these 2 variables.
speed and mass
When energy in system is lost to friction, it is actually being converted to this type of energy.
thermal energy
A bicycle uses what type of energy to move?
Mechanical Energy
Heat transfer from one part of a material to another by the movement of molecules.
Convection
Thermos: Conductor or Insulator
Insulator
Energy that is saved and not currently being used.
A solar panel changes __________ energy to ________ energy.
Light to Electrical
Which energy is given off when a cell phone rings?
sound energy
Average kinetic energy of a substance.
Temperature
This state of matter is the best insulator.
Gas
As kinetic energy increases, potential energy ___________.
decreases
A hair dryer transforms _______energy to _____ ,________, & ________
electrical to mechanical, sound, and heat
This form of energy comes from the atom.
nuclear energy
Type of energy that is due to the strength of bonds in a compound or molecule.
These are all Insulators except:
Glass, Wool Sweater, Foil, Styofoam
Foil
Type of energy moves in electromagnetic waves.
Light energy
A toaster transfers __________ energy to _________ energy in order to cook bread
Electrical to Thermal
Conduction