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Understanding Energy: Types, Potential, and Kinetic Energy Explained

This introduction to energy explores its definition as the ability to produce change or do work. We distinguish between the two main categories of energy: stored (potential) and working (kinetic). Potential energy includes forms such as chemical, mechanical, nuclear, and gravitational energy, while kinetic energy encompasses motion, light, sound, and thermal energy. Through examples like flashlights and vehicles, we illustrate how different forms of energy convert to perform tasks, highlighting the significance of energy in our daily lives.

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Understanding Energy: Types, Potential, and Kinetic Energy Explained

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Presentation Transcript

  1. Mrs. OultonBirt • Energy and Electrical Circuits …An Introduction

  2. Electrical Potential(potential Energy) • Energy Is the Ability To Do Work • We are going to look at energy – what it is, how we control and convert it. We need to think about what energy is and what POTENTIAL it has… • http://www.youtube.com/watch?v=Rn470XtSYK0

  3. What Is Energy? • Energy is defined as the ability to produce change or do work, and that work can be divided into several main tasks we easily recognize:

  4. Types of energy… • Energy produces light. • Energy produces heat. • Energy produces motion. • Energy produces sound. • Energy produces growth. • Energy powers technology.

  5. Forms of Energy • There are many forms of energy, but they all fall into two categories: • Stored (potential) energy • Working (kinetic) energy

  6. Potential Energy • Potential Energy is stored energy .There are several forms of potential energy, including:

  7. Potential Energy…. • Chemical Energy • Stored Mechanical Energy • Nuclear Energy • Gravitational Energy

  8. Look for signs of energy… • http://www.youtube.com/watch?v=Jnj8mc04r9E

  9. Types of kinetic Energy: • Electrical Energy ex lightning • Radiant Energy ex light or radio waves • Thermal Energy, or heatex geothermal • Motion Energy ex wind • Sound Energy

  10. Kinetic Energy • Kinetic Energy is motion—the motion of waves, electrons, atoms, molecules, substances, and objects.

  11. Now think about it… • When we turn on our flashlight, chemical energy stored in the batteries is converted into… • light energy. • When we turn on the television, electrical energy changes into… • light and sound. (and a little heat is also produced) • When we move a vehicle, the engine converts the chemical energy stored in the fuel into… • heat, sound and kinetic energy. Note that the heat and the sound that are produced are not desirable. • An electric cooker in our homes changes electrical energy into …. • heat and light.

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