ENERGYunit 8 5th of PE
ENERGYIt’s everything that produces changes in
things.
There are different forms:
• Light• Heat
• Mechanical• Electrical• Chemical• Nuclear
A transformation of energy is when one form of energy changes into another.
WHICH FORM OF ENERGY IS EACH
PICTURE?
ENERGY SOURCES
• Are the NATURAL RESOURCES from which obtain the energy we use.
• They can be:
non-renewable:they
haven’t time to renew themselves.(fossil fuels…)
renewable:they renew
themselves continually. ( sun, wind,…)