Download Lesson 3: Energy Transformations

Lesson 3: Energy
Transformations
Review
• The energy of an
object or
substance in
movement;
sometimes just
called kinetic
energy
Motion Energy
• Person dancing, car in motion, a thrown
ball, flowing water.
• Energy an object
has due to place
or position, such
as its height
above the Earth;
a form of
potential energy
Gravitational Energy
• Rock on the edge of a cliff, water behind a
dam.
• The energy of
electrons
moving or
flowing within
a substance
Electric Energy
• Power lines or home wiring, electricity
from a battery
• Electromagnetic
energy that
travels in waves;
also called
radiant energy
Light Energy
• Sunlight, the light of a lamp or of a TV, or
computer monitor
• The internal
energy of a
substance due to
random vibration
and movement
of its atoms and
molecules; also
called thermal
energy.
Heat Energy
• Heat form the burner of a stove, charcoal
grill, forest fire.
• Energy that
moves through
substances by
compression
waves; sound
Sound Energy
• Any kind of sound from humans,
machines, animals, Ipods
• Energy stored
in the chemical
bonds between
atoms and
molecules
Chemical Energy
• Energy plants store by photosynthesis,
any food we eat, coal, oil
• Batteries store chemical energy
• Energy stored in
the nucleus of an
atom; the energy
that holds an
atom together;
sometimes
called atomic
energy
Nuclear Energy
• Uranium in a nuclear power plant and
plutonium in a bomb
Law of conservation of
energy:
First Law of Thermodynamics
The total ______of energy in the
universe is________. Energy
can be neither
_________nor__________, but it
can be __________from one
form to__________.