Show:
Book It!
Name the Converter
Name the Conversion (Transformation)
Odds and Ends
The Math of It
100
Where do you find this energy equation? chemical energy --> mechanical energy p.346
the tennis player
100
What stores chemical energy and can produce electricity?
a battery
100
What is the transformation for an automobile or a human being or a cow? ___________ --> ___________ +__________
chemical energy --> thermal energy + mechanical energy
100
When energy changes from one form to another, some of the energy always changes into: 372
wasted thermal energy
100
What is the equation for potential energy (its in the book).
Potential Energy (P.E.) = MGH (Mass X speed due to Gravity X Height)
200
What potential energy becomes what kinetic energy with the hunter's bow? p.348
elastic --> mechanical
200
What is the only thing that can do this: light --> chemical energy
a plant 356 "Poems are made by fools like me, But only God can make a tree." Joyce Kilmer
200
What's the transformation for burning wood (368) or burning fuel (366 step 2) or burning anything else?
chemical energy --> thermal energy
200
!! DAILY DOUBLE!! 1. What is the transformation for the electric motor? 2. What two parts are in every electric motor (or any electric generator)?
1. electricity --> mechanical 2. magnets and wire coils
200
!!DAILY DOUBLE!! NO. 7 P. 375 Potential Energy = Mass X speed due to Gravity X Height (PE = MGH)
the statue
300
What two types of energy become mechanical energy with the juggler's pins? 349
gravitational and mechanical
300
It does this: electricity --> thermal --> light
light bulb 361
300
What's the transformation for a hydroelectric dam? ___________ --> ___________ --> ___________
gravity --> water energy (mechanical energy) --> electricity
300
What is the transformation for the Van der Graff generator _________ --> _________ --> _________
electricity --> mechanical energy --> electricity
300
A box has a mass of 40 Kg. It is traveling 5 m/sec. from 5 meters. What is its potential energy?
1,000 Joules (40 X 5 X 5)
400
What kinetic energy is caused by the vibration of molecules? 350
thermal energy
400
What's the converter for this? gravity --> mechanical + sound + thermal + gravitational --> mechanical
a bouncing ball! (or anything else that bounces)
400
What is the energy conversion for a generator? 366
(step 5) What converter changes mechanical kinetic energy into electricity?
400
State the Law of Conservation of Energy.
Energy is neither created nor destroyed; it is only transformed.
400
A box has a mass of 10 Kg. It is traveling 15 m/sec. from 2 meters. What is its potential energy?
300 (10 X 15 X 2)
500
!!DAILY DOUBLE!! What page shows electricity --> mechanical energy --> gravitational potential energy --> mechanical energy
360
500
What converter SEEMS to show "perpetual motion"?
the turkey
500
What's the conversion for the turkey
light --> electricity --> chemical energy --> electricity --> mechanical energy AND ALL FOR A DOLLAR
500
Explain what the Law of Conservation of Energy means?
Whatever energy is used, must become another kind of energy; it can't just disappear and it can't just come from nowhere (or something like that).
500
A box has 500 J of potential energy. It is traveling 5 m/sec. It is 10 kg. How high is it?
1 meter 5 X 10 = 500 500 X 1 = 500