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Copy page 85 Homework: Objective Potential Energy LAb

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1 Copy page 85 Homework: Objective Potential Energy LAb
Students will summarize different types of energy Homework: Potential Energy LAb

2 warmup -Home Screen Standbehindbraum.weebly.com

3 It just keeps on going, and going and going
Energy It just keeps on going, and going and going

4 What is energy? property of objects to have the ability to do work

5 UNits of energy amount of energy to increase 1’C of water that has 1 gram of matter in it Joules = J

6 1st Law of Energy Energy can neither be created nor destroyed
Energy in the universe is a constant.

7 2nd law Of energy Order descends into chaos, chaos will ascend back to order

8 Potential the amount of stored Energy in an object

9 Formula for Potential -PE= mass x gravity x height (meters)
or Force weight (N) x Height (meters) PE= m x g h (PE= Kg x m/s/s x meters) PE= Fw x H (PE= N x m)

10 Kinetic -Energy of movement KE=(m x v ^2)/2 mass x veloc ^2_ 2

11 Energy category Kinetic: Potential:
-Energy an object has due to its position, energy field and parts -Stored energy Kinetic: the amount of energy a moving object has

12 END

13 CLosure Questions Which law states order will turn to chaos, chaos will return to order? Can energy be destroyed or created? 3) A bow string being pulled back belongs to which energy category? 4) Releasing a arrow from a bow belongs to which energy category?

14 Copy page 85 Homework: Objective Kinetic Energy LAb Short Problems
Students will calculate and differentiate between potential and kinetic energies Homework: Kinetic Energy LAb Short Problems

15 warm Up Mass: 100kg Gravity: 10m/s^2 Height: 7m
Find the potential Energy Ep= m x g xh

16 “You can’t kill the Drej their pure energy” Joseph Korso Titan A.E
Types of Energy “You can’t kill the Drej their pure energy” Joseph Korso Titan A.E

17 Energy -Ability to do work
-Property in objects that can be transferred into a different form -Can not be created or destroyed

18 Energy Transfer Energy can convert from one state to another
(heat, work, mass transfer)

19 Potential the amount of stored Energy in an object

20 Elastic Energy stored in objects that stretch

21 Mechanical energy of objects in motion
sum of both potential and kinetic

22 Chemical Energy released from a chemical reaction

23 Nuclear Energy stored in the center of particles

24 Kinetic -Energy of movement KE=(m x v ^2)/2 mass x veloc ^2_ 2

25 Sound Form of energy from vibrations (we can hear)

26 Radiant Energy in the form of electromagnetic waves

27 electrical Energy of particles moving through a wire

28 Magnetic objects produce a field of attraction and repelling and give off a energy field. Depends on distance, size, and type

29 Gravitational stored energy in an object when it is above the earth’s surface

30 Copy PAge 85 Objective: Students will differentiate between types of energy Homework: Kinetic Energy Lab Short problems

31 Closure 4) What kind of energy would an opera singer use to crack a glass? 5) Fission or Fusion 6) Burning wood The sun powers this form of energy. Power Bars….what type of energy am I? 3) A chihuahua running.

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