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….