Is the ability to do work Makes things happen

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Presentation transcript:

Is the ability to do work Makes things happen Energy Is the ability to do work Makes things happen

Forms of energy

Circuits In a complete circuit the wire must touch the plus and minus end of the battery and the metal of the light bulb.

Potential energy= Stored Energy Potential energy is the stored energy an object has because of its position or state.

kinetic energy Kinetic energy is the energy an object has due to its motion.

Momentum Momentum is a measurement of mass in motion. Any object that is moving has momentum.

Inertia Inertia - Inertia is the name for the tendency of an object in motion to remain in motion, or an object at rest to remain at rest unless acted upon by a force.

Annoying Video!!!

Gravitational Energy Gravitational potential energy is the energy stored in an object based on its height and mass. The higher and heavier an object the more gravitational energy it has.

Elastic Potential Energy Elastic potential energy is stored when materials stretch or compress. Examples of elastic potential energy include springs, rubber bands, and slingshots.

When light interacts with an object, that light can be absorbed or reflected. Black objects absorb all wavelengths of light, while white objects reflect all visible wavelengths. http://www.ducksters.com/science/light_spectrum.php

Optical Illusions: https://www.independent.co.uk/news/science/1 2-optical-illusions-that-show-how-colour-can- trick-the-eye-a6790901.html

Light Light is a form of energy It travels in a straight path from a source It can reflect (bounce off) surfaces Mirrors reflect light in straight lines, you can use them to change the direction light travels

Light from a light source reflects from an object into your eye.

Wave wave- a repeating movement, like up-and-down or back-and-forth. Waves carry energy from place to place.

Wavelength wavelength -spacing between wave peaks

amplitude amplitude -height of the wave

A wave with a large amplitude has more energy than a wave with a small amplitude. If you’ve ever been in the ocean. A wave with a large amplitude has more energy than a wave with a small amplitude. If you’ve ever been in the ocean this may be more clear. Small little waves don’t have the energy to knock you over, but the larger ones...watch out! In sound, amplitude determines the loudness of the sound. In light, amplitude determines the brightness. n this may be more clear. Small little waves don’t have the energy to knock you over, but the larger ones...watch out!