What Is Energy? exploding water heater video Exploring Energy.

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Presentation transcript:

What Is Energy? exploding water heater video Exploring Energy

Energy The ability to make things happen. Motion, heat, light and sound are clues that energy is present. Which of these items have energy? What is your evidence?

Potential Energy Energy that is stored. What is another example of something that has potential energy? When a bow is pulled back, it has potential energy.

Potential Energy What is another example of something that has potential energy? Examples

Kinetic Energy Energy of motion. When a pulled bow is released, the moving arrow has kinetic energy. Synonyms for kinetic are active and lively. What is another example of something that has kinetic energy?

Kinetic Energy What is another example of something that has kinetic energy? Examples

Energy Transfer Energy can be transferred from one type to another type. potential energy kinetic energy

Which has more potential energy? The blue ball is higher up, so it has more potential energy.

Who has more kinetic energy? Tanya - 3 miles per hour Tamara - 6 miles per hour Tamara has more kinetic energy.

Which has more potential energy? 10 lbs 100 lbs spring 2 spring 1 Spring 2 is more compressed, so it has more potential energy.

Which has more energy? The balls are at exactly the same height. Both balls have the same amount of potential energy. The blue ball has more kinetic energy.

All potential A little kinetic, a lot of potential Some kinetic, some potential All kinetic How is the energy transferred?

Write a description of what happened in the exploding water heater video. Use the concepts we learned today: energy potential energy kinetic energy transfer of energy