Download Energy Transfers

Energy
Energy is all around us.
Here are forms of energy every 5th
grader needs to know:
He Keeps Eating Lightly
Salted Potato Chips
*Heat
*Light
*Kinetic
*Sound
*Electrical
*Potential
*Chemical
Chemical
Energy
Kinetic (Motion)
Energy
Sound
Energy
Electrical
Energy
Potential
Energy
Heat
Energy
Light
Energy
ENERGY
Heat Energy
This energy is produced in many ways
such as burning, rubbing, or mixing one
substance with another. Heat energy flows
from warmer objects to cooler ones until
both reach the same temperature.
Kinetic Energy
Energy of Motion: This is the energy of
an object which results from its motion.
Electrical Energy
The energy associated with electric
charges and their movements. For
example, circuits provide a means of
transferring electrical energy.
Light Energy
This energy travels in a straight line until it
strikes an object. Light can be reflected by
a mirror or lens or absorbed by an object.
Sound Energy
This is the energy produced by
making things vibrate. Sound
energy is transferred through the air
from a source to an observer.
Potential Energy
Stored energy determined by an object’s
position.
•An apple waiting to fall
•A ball at the top of a ramp
•A stretched out rubber band
Chemical Energy
The energy stored in matter. Energy can
be released or consumed during a
chemical reaction such as:



batteries
food we eat
wood that is burning
Energy Changes
The process of transferring energy
from one object to another.

Transfer = the same form of energy
moving from one object to another
Examples of
Energy
Transfers
Energy Transfer
Energy
Form = HEAT
Where
hands
to
Where?
ice
Energy Transfer
Energy
Form = KINETIC
Where
legs
to
Where?
wheels
Energy Transfer
Energy
Form = ELECTRICAL
Where
outlet
to
Where?
appliance
(TV, computer, etc)
Energy Transfer
Energy
Form = LIGHT
Where
mirror
to
Where?
eye
Energy Transfer
Energy
Form = SOUND
Where
drum
to
Where?
ear
Energy Transfer
Energy
Form = CHEMICAL
Where
Fly
(food)
to
Where?
Frog
(growth)
Energy Can Be Transformed
Transformation = converting one
form of energy to another form
of energy
•An electric blanket transforms
electricity to heat. Then, the blanket
transfers heat to our body.
Energy Can Be Transformed
Electrical energy is transferred
from the wall socket to the
computer.
Electrical energy is transformed
to sound and light energy when
the computer is turned on.
Electrical energy is transformed
to heat energy when the
computer stays on.
Energy Can Be Transformed
Electrical energy is transferred
from the wall socket to the
curling iron.
Electrical energy is transformed
to heat energy when the
curling iron stays on.
Heat energy is transferred to
the hair that is being curled.
Energy Can Be Transformed
Light energy from the sun is
transformed to chemical energy
as the plants grow.
Chemical energy is transformed
to heat and kinetic energy as
the panda eats the bamboo
leaves.
Energy Can Be Transformed
The apple on the tree has
potential energy due to its
position.
Potential energy is transformed
into kinetic energy as the apple
falls and hits the man’s head.
Energy Can Be Transformed
Gasoline is a chemical energy.
When gasoline is transferred
into the car, a transformation
occurs.
Transformations within this
system include:
Heat energy
Electrical energy
Sound energy
Kinetic energy
Light energy