1. ENERGY

2. Starter
Directions: Classify the following measurements as Force, momentum, Velocity, acceleration.
1. m/s squared
2. Newton
3. kg·m/s squared
4. m/s
5. kg·m/s

3. Review 1. What are the 3 scenarios possible where no work is done?
2. Which of the following are examples of work?
Carrying a stack of books
Lifting a pile of logs
Pushing down on a desk
Swinging a baseball bat

4. Wordsplash
Make a wordsplash on
ENERGY

5. Energy is the ability to do _______
What is ENERGY?
Energy is the ability to do _______
Work

6. force
Work occurs when a _____ causes an object to _____ in the same direction as the force.
move

7. FORMS OF ENERGY
Both basic states of energy, Kinetic and potential, can exist in many forms!

8. THERMAL (HEAT) Kinetic
The total ________ energy of the particles in matter. (molecular motion)

9. Heat energy STORED within the _____. Ex: Volcanic eruptions, geysers
GEOTHERMAL (HEAT)
Earth
Heat energy STORED within the _____. Ex:
Volcanic eruptions, geysers

10. CHEMICAL
Energy STORED in chemical ____ that can be released. Ex: food, fossil fuels, battery acid
bonds

11. Energy STORED in the ________ (center) of an atom. Ex: nuclear bombs
nucleus

12. MECHANICAL moving Energy with which ______ objects perform work.
Ex: Wind, flowing water, using a hammer

13. SOUND
A type of mechanical energy. It is the energy produced when objects ________. Ex: tuning fork, bell
vibrate

14. A form of _______ energy that moves in a ______. Ex: lamp, stars
LIGHT
radiant
A form of _______ energy that moves in a ______.
Ex: lamp, stars
wave

15. A form of energy produced by the ________ of ________
ELECTRICITY
A form of energy produced by the ________ of ________
movement
electrons

16. All forms of energy that come from the ______.
SOLAR ENERGY
All forms of energy that come from the ______.
SUN

17. STORED MECHANICAL ENERGY:
Stored energy due to a change in the shape of an object. Ex:
_______________
A stretched rubber band

18. STORED MECHANICAL ENERGY:

19. Do you remember the LAW OF CONSERVATION OF MASS AND ENERGY?
ENERGY TRANSFORMATIONS
Do you remember the LAW OF CONSERVATION OF MASS AND ENERGY?

20. Law of Conservation of ENERGY: (same for mass)
Mass/ NRG ____________
Mass/ NRG ______________
Mass/ Energy can only __________
Can’t be made
Can’t be destroyed
Change form!!!

21. ENERGY TRANSFORMATIONS

22. Energy Transfer worksheet
Read and answer the questions on the worksheet entitles energy transformations

23. UNUSABLE ENERGY:
heat
Very often during the energy transformation process, some ____ energy is produced due to friction. This is wasted energy and is lost to the environment.

24. An energy resource that is ________________________________.
What is a NON-RENEWABLE RESOURCE?
An energy resource that is ________________________________.
Being used faster than Earth Produces it

25. Examples: __________________
What is a NON-RENEWABLE RESOURCE?
Examples:
__________________
Fossil Fuels, minerals

26. What is a NON-RENEWABLE RESOURCE?
To make our non-renewable resources last longer we can _____________________________________________.
Reduce, Reuse, & Recycle

27. An energy resource that is _______________________________________.
What is a RENEWABLE RESOURCE?
An energy resource
that is _______________________________________.
Earth supplies faster than we use it “unlimited”

28. Examples: _______________________________
What is a RENEWABLE RESOURCE?
Examples: _______________________________
Solar, wind, biomass (trees etc..)

29. What is a RENEWABLE RESOURCE?
A renewable resource produces less _________ (substance that can harm living things and/or the environment
pollution

31. Example:

32. Videos
Solar energy
Wind Energy

33. Energy forms and Sources
Complete the energy forms and sources handout

34. All forms of energy can be classified as Kinetic or potential
All forms of energy can be classified as Kinetic or potential. The two basic states of energy. So, what’s the difference?

38. 1) Potential energy is stored energy due to and object’s _____________
Position

39. POTENTIAL ENERGY gravitational height
2) An object that is lifted from its position on Earth has __________ potential Energy which depends on ______ and mass
gravitational
height

40. POTENTIAL ENERGY
3) Massive objects have _____ potential energy than less massive objects
more

41. POTENTIAL ENERGY
4) An object at a higher elevation will have _____ potential energy than an object at a lower elevation
more

42. 3) Faster objects have ____ kinetic energy than slower objects.
More

43. Kinetic is energy of ___________
KINETIC ENERGY
Kinetic is energy of
___________
Motion

44. 2) Kinetic depends on the _____ and the _______ of an object.
KINETIC ENERGY
2) Kinetic depends on the _____ and the _______ of an object.
MASS
SPEED

45. A Roller Coaster
A roller coaster speeds along its track. It has kinetic energy because it is moving.

47. A Roller Coaster
As it slows to a stop at the top of a hill, it has potential energy because of where it is. It has the potential to move because it is above the ground and has somewhere to go.

49. Formulas
KE = 1/2 m v2
PE = mgh = Fwh

50. Videos Energy and Power

51. Potential and Kinetic energy handouts

52. Please read the paragraph… Energy is constantly changing form…
ENERGY TRANSFORMATIONS
Please read the paragraph… Energy is constantly changing form…