Unit 2.1 Advanced Version You need 11 Index Cards Chastain 2017

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Presentation transcript:

Unit 2.1 Advanced Version You need 11 Index Cards Chastain 2017 Energy Vocabulary Unit 2.1 Advanced Version You need 11 Index Cards Chastain 2017

Learning Target Students will explain the relationship between potential and kinetic energy.

Introduction to Energy https://www.youtube.com/watch?v=CW0_S5YpYVo

Energy The ability to do work or cause change. (Work – the movement of an object through a distance).

What is energy really? https://www.youtube.com/watch?v=jCrOtF7T4HE

The Law of Conservation of Energy In physics, the law of conservation of energy states that the energy can not be created or destroyed, only transformed.

Law of Conservation of Energy (Roller Coaster Demo) https://www.youtube.com/watch?v=LrRdKmjhOgw

Kinetic Energy Energy resulting from the motion of an object. The amount of kinetic energy an object has is determined by the mass and speed (velocity) of the object.

Potential Energy This is stored energy. An object has potential energy because of its position or composition. Ex: A bike on top of a hill.

Gravitational Potential Energy Energy an object possesses because of its position in a gravitational field.

Energy Transformation Energy can be transformed (changed) from one form to another. EX: Flipping a switch to turn on a light.

How does energy convert? https://www.youtube.com/watch?v=ftj23FRS2LI

Speed A measurement of how fast an object moves relative to a reference point. It does not have a direction. Example – The racecar was driving at 160mph around the track.

Velocity The speed of an object in a certain direction. Example – The car was driving 160 mph northeast around the track.

Mass A measure of how much matter is in an object. 

Gravity A force which tries to pull two objects toward each other. Anything which has mass also has a gravitational pull. The more massive an object is, the stronger its gravitational pull is. 

Joule The basic unit of electrical energy, and is equal to the work completed when one ampere of current is passed through a resistance of one ohm for one second. An example of joule is what a scientist would use to measure energy.

Discovery Of Energy ~ James Prescott Joule & William Thomson https://www.youtube.com/watch?v=fYbi26CHvew

Quizlet https://quizlet.com/_3v5ngn