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Student ObjectiveStudent Objective To identify To identify energy transformationsenergy transformations

Energy transfer is when the energy is passes on.

*What is energy TRANSFORMATION?

Warm UpWarm Up

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SoundSound ChemicaChemicall

MagneticMagneticelectricalelectrical MechanicaMechanicall

Categorize the objects & Categorize the objects & pictures in the lab bucket pictures in the lab bucket according to the according to the mainmain type of type of energy each energy each producesproduces. .

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AnswersAnswers

SoundSound ChemicaChemicall

MagneticMagneticelectricaelectricall

MechanicMechanicalal

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What type of energy (that we have NOT learned about yet) is involved in the following items.

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A Closer LookA Closer Look There are many different forms of energy There are many different forms of energy

including chemical, electrical, mechanical, including chemical, electrical, mechanical, thermal, magnetic, electromagnetic (light thermal, magnetic, electromagnetic (light and radio waves), sound, nuclear, and and radio waves), sound, nuclear, and elastic. elastic.

These energy forms can convert from one These energy forms can convert from one to the other in many different ways. to the other in many different ways.

Explore the following slides. For each Explore the following slides. For each slide answer the questions on your slide answer the questions on your worksheet….Summing Up Questions.worksheet….Summing Up Questions.

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Quiet PleaseQuiet Please

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Stretching ItStretching It

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Toyland- Wind up Toyland- Wind up toys…toys…

QUACK

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That Special AttractionThat Special Attraction

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Shush!Shush!

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Yummy!!Yummy!!

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Plug It InPlug It In

Go On

http://www.science4us.com/SCO/act_675/index.aspx?aid=675&cid=P-0

http://www.bbc.co.uk/bitesize/ks3/science/http://www.bbc.co.uk/bitesize/ks3/science/energy_electricity_forces/energy_electricity_forces/energy_transfer_storage/activity/energy_transfer_storage/activity/

http://www.glencoe.com/sites/common_assets/http://www.glencoe.com/sites/common_assets/science/virtual_labs/E04/E04.htmlscience/virtual_labs/E04/E04.html

http://sciencenetlinks.com/media/filer/2011/10/07/http://sciencenetlinks.com/media/filer/2011/10/07/powerplay.swfpowerplay.swf

http://www.learner.org/workshops/energy/http://www.learner.org/workshops/energy/cattraption/catrunthru.htmlcattraption/catrunthru.html

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Quiet Please

1. Some powered by chemical/electrical energy in batteries, some by mechanical energy

2. Sound energy

Stretching It

1. motion Mechanical energy

2. motion Mechanical energy (converted from elastic potential)

3. Motion Mechanical energy (converted from elastic potential)

Toyland

1. Motion Mechanical energy because you have to use motion to wind up the toys

2. Motion Mechanical energy & sound

That Special Attraction

1. Magnetic energy

2. motion Mechanical

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Shush

1. Motion Mechanical energy because something has to move on each object for sound to be produced

2. Sound energy

Yummy

1. Chemical energy that plants make using the sun’s radiant energy

2. Chemical to Mechanical energy

3. Radiant energy to Chemical energy

Plug it In

1. Electrical energy

2. Pencil sharpener produces sound, thermal, & motion mechanical. Mixer produces motion mechanical & sound. Heating blanket produces thermal.

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ExplanationExplanation

1.1. Find out what an “energy conversion” is by using Find out what an “energy conversion” is by using textbook glossary. textbook glossary.

2.2. Think about each slide you looked at earlier and Think about each slide you looked at earlier and decide what energy conversions took place. Diagram decide what energy conversions took place. Diagram each station on your worksheet each station on your worksheet (ENERGY CONVERSIONS (ENERGY CONVERSIONS #3) #3)

SSample Diagram: Station #1 Quiet Please: ample Diagram: Station #1 Quiet Please:

Sound EnergySound Energy + Heat Energy+ Heat EnergyChemical Energy/electrical CD Player

SoundSound + Mechanical Energy+ Mechanical EnergyMechanical Energy Noise Maker