Forms of Energy
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Forms of Energy
Radiant Energy
Light Energy or Electromagnetic Energy
Thermal Energy
Heat Energy
Motion Energy
Mechanical Energy
Sound Energy
Electrical Energy
Energy due to the movement of electrons
Chemical Energy
Energy stored in the bonds of atoms
Nuclear Energy
Energy stored in the nucleus of an atom
Stored Mechanical Energy
Compressed spring
Stretched Rubber Band
Gravitational Energy
Stored energy due to position
Law of Conservation of….
Mass
Momentum
Law of Conservation of Energy
Energy can neither be created nor destroyed, but can only change form.
Energy Transformations
Photosynthesis
Radiant Energy Chemical Energy
QUIZ TIME!
What type of energy cooks food in a microwave oven?
ELECTROMAGNETIC ENERGY
What type of energy is the spinning plate inside of a microwave oven?MECHANICAL ENERGY
QUIZ TIME!
Electrical energy is transported to your house through power lines.
When you plug an electric fan into a power outlet, electrical energy is transform into what type of energy?
MECHANICAL ENERGY
QUIZ TIME!
What energy transformation occurs when an electric lamp
is turned on?
ELECTRICAL ENERGY
ELECTROMAGNETIC ENERGY
Activity #1 – Shaking Sand
Endothermic Change
Endo – In, Into (Enter)
Thermic – Heat, Thermal Energy
Energy is needed to make the change
happen
Often feels cold
Example Demo….
Exothermic Change
Exo – Out of (Exit)
Thermic – Heat, Thermal Energy
Extra energy is released during the
change
Often feels hot
Example Demo….
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