Vocabulary
the ability to do work
energy
Explain the transformation that takes place when you turn on a flashlight. 3 steps
What is chemical to electrical to radiant.
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
What energy transformation happens when using a toaster?
What is electrical to radiant and thermal.
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
A tv gives off what type of energy
Light, sound, electrical, mechanical
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
A wind up toy gives off what kind of energy
Mechanical, sound and kinetic
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.
a light bulb converts electrical energy into which two energies?
heat and light
Type of energy moves in electromagnetic waves.
Light energy
A toaster transfers __________ energy to _________ energy in order to cook bread
Electrical to Thermal
Conduction