Chemistry Energy forms%2Fconversion and conservation

Chemistry Energy forms%2Fconversion and conservation -...

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Energy: Forms and Changes Energy: Forms and Changes
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8Nature of ,/Energy Energy is all around you! You can hear energy as sound. You can see energy as light. And you can feel it as wind.
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8Nature of ,/Energy You use energy when you: hit a softball. lift your book bag. compress a spring.
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8Nature of ,/Energy Living organisms need energy for growth and movement.
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8Nature of ,/Energy Energy is involved when: a bird flies. a bomb explodes. rain falls from the sky. electricity flows in a wire.
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8Nature of ,/Energy What is energy that it can be involved in so many different activities? Energy can be defined as the ability to do work. If an object or organism does work (exerts a force over a distance to move an object) the object or organism uses energy.
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8Nature of ,/Energy Because of the direct connection between energy and work, energy is measured in the same unit as work: joules (J). In addition to using energy to do work, objects gain energy because work is being done on them.
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° .1General types#!$ 1. Kinetic energy - energy of motion; depends upon its mass and speed 2. Potential energy - stored energy
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-0Forms of ,/Energy The six main forms of energy are: Heat Chemical Electromagnetic Nuclear Mechanical Electrical ±
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/2Heat ,/Energy ²>Thermal ,/Energy³
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