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Kinetic and Potential Energy

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Presentation on theme: "Kinetic and Potential Energy"— Presentation transcript:

1 Kinetic and Potential Energy
Today we are going to learn about Kinetic and Potential energy. I can identify types of energy, including potential and kinetic.

2 The ability to do work or cause change.
Definition of Energy… The ability to do work or cause change. In order to understand the different forms of energy, you have to know what the term “energy” means. Energy is the ability or the capacity of an object to do work. This is measured in two different ways : capability of doing work- known as potential energy, and the conversion of the capability to motion- called kinetic energy.

3 Energy has 2 main classifications: potential energy or kinetic energy.

4 Potential Energy Potential energy Stored up energy or energy at rest.

5 KINETIC ENERGY: Energy in motion

6 Potential energy is stored energy or energy at rest. It is the highest point, so it will fall the furthest, so it has more potential energy. What point would have the greatest amount of potential energy? Draw coaster

7 Kinetic energy is energy in motion. The greatest kinetic. Where would the greatest kinetic energy be?

8 Kinetic energy is ….. energy in motion. As potential energy decreases,
kinetic energy increases. So, the greatest amount of kinetic energy would be…. just before the ball hits the ground.

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11 potential ____________ energy? kinetic ________ energy?

12 When the bow string is pulled back all the way, the type of energy demonstrated would be
potential Once the string is let go the arrow will fly toward the bulls eye. The arrow moving demonstrates ___________ energy. kinetic

13 We can now look at other forms of energy and classify them as either potential energy or kinetic energy

14 Types of Energy

15 Types of Energy Mechanical - Moving energy

16 Mechanical energy: moving energy
Kinetic Energy!

17 Types of Energy Mechanical - Electromagnetic -

18 Electromagnetic Energy?
Light energy Includes energy from gamma rays, xrays, ultraviolet rays, visible light, infrared rays, microwave and radio bands

19 Types of Energy Mechanical - Electric - Electromagnetic -

20 Electric Energy - energy that comes through electrical lines or lightning.

21 Types of Energy Mechanical - Electric - ________ energy Electromagnetic - Thermal - heat

22 Thermal energy is heat energy.

23 Types of Energy Solar - Mechanical - Electric - Electromagnetic - Thermal -

24 Solar energy – Energy from the sun (nuclear fussion)

25 Types of Energy Solar - Mechanical - Chemical - Examples: Electric - Electromagnetic - Thermal -

26 Chemical Energy Chemical energy is stored on the end of a match.
Energy released from chemical reactions. Chemical energy is stored on the end of a match.

27 Examples of Chemical Energy
Fossil fuels battery food

28 Where do we get our energy from?

29

30 CHEMICAL Where do we get our energy?
When we eat food, what type of reaction occurs to give us the energy? CHEMICAL

31 Plants take in the energy
from the sun. They use this energy in a CHEMICAL process of photosynthesis to make food for the plant to grow.


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