Energy

November 2010

What is happening?

Play with the toy given to you. What does it do?Share what it does with those around you.What do all of these toys have in common?What do we call what makes these toys

move?

What is energy?

The ability to cause a change in matter– Through movement

The ability to do workEnergy cannot be created or destroyed, but

it does change forms

Ways to Classify Energy

1. Solar, Light, Chemical, Mechanical, Electric, Sound, Heat, and Magnetic

Which of the following show energy?

Bird

flyi

ng th

rough

t..

Hum

an s

leep

ing in

bed

Bottl

e si

tting

on th

e ...

1 a

nd 2

onl

y

All

of the

above

19%

0%

38%38%

5%

1. Bird flying through the sky

2. Human sleeping in bed

3. Bottle sitting on the counter

4. 1 and 2 only5. All of the above

Solar Energy

Solar-from the sunExamples-solar panels

Light Energy

Light-energy from the sun that we seeExamples-lamps, flashlights

Chemical Energy

Chemical-energy stored in another substance

Ex-batteries, fuels

Mechanical Energy

Mechanical-combination of potential and kinetic energy (muscle power)

Examples-winding up a toy

Electric Energy

Electric-energy from an electric currentExamples-television, dvd player

Sound Energy

Sound-energy we hearExamples-music, talking

Heat (thermal) Energy

Heat-energy that is given off (can be hot or cold)

Examples-fire, snow

Energy Video

Energy Transfer

Energy movement between one place or object to another.

Cirque du Soleil

Energy Changes Forms

One form of energy changes into anotherExamples

– Flashlight= chemical to light and heat– Stereo=electric to sound and heat

0%0%0%0%0%

Chemical Heat Sound Light Mechanical

1. Chemical

2. Heat

3. Sound

4. Light

5. Mechanical

What is the main form of energy used by this object?

20

0 of 26

What is the main form of energy used by this object?

:20

0 of 26

0%

0%

0%

0%

0% 1. Chemical

2. Heat

3. Sound

4. Light

5. Electrical

What is the main form of energy used by this object?

1. Chemical

2. Heat

3. Sound

4. Light

5. Electrical

Chem

ical

Hea

t

Sound

Lig

ht

Ele

ctric

al

0% 0% 0%0%0%

200

0

26

What is the main form of energy used by this object?

0%0%0%0%0%

Chemical Heat Mechanical Light Electrical

1. Chemical

2. Heat

3. Mechanical

4. Light

5. Electrical

20

0of26

0%

0%

0%

0%

0%

What is the main form of energy produced by this object?

1. Chemical

2. Heat

3. Mechanical

4. Sound

5. Electrical

20

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24 25 26

What is the main form of energy produced by this object?

0%0%0%0%0%

Light Heat Mechanical Sound Electrical

1. Light

2. Heat

3. Mechanical

4. Sound

5. Electrical

0 of 26

20

0%

0%

0%

0%

0%

What is the main form of energy produced by this object?

1. Light

2. Heat

3. Mechanical

4. Sound

5. Electrical

0of26

20

Energy Collage

1. Divide your paper into 6 boxes.2. Label each box with one type of energy below. 3. Find pictures of items that show each type of energy and paste them onto your paper to make a collage. 1. Mechanical (muscle power)2. Light3. Sound4. Heat (Thermal)5. Chemical6. Electric