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Student Power point 3.11-3.22. Mr. Smet’s Scientific Studies. How this works.

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Student Power point3.11-3.22

Mr. Smet’s Scientific Studies

How this works

- This Power Point presentation has been made to walk you through the worksheet. It will answer a short number of the questions from your packet but also go through the key points of answering the other questions with examples.
- The questions in this packet will be helpful for understanding the question on Thursday. This means that, by Thursday, you should be able to answer the questions on your own without the help of this PowerPoint.
- Work with urgency!

Potential and Kinetic ENergy

Kinetic Energy

- Kinetic energy is the energy of motion.
- Anything that is moving has kinetic energy.
- Kinetic Energy usually has both:
- Mass
- Speed

Potential Energy

- Potential energy is stored energy.
- Anything that can become lower has potential energy.
- Potential Energy usually has both:

Mass

Height

Fill in the definition part of your chart.

PE and KE Examples

Potential Energy

- An airplane is flying through the air.
- This has potential energy
- The airplane is above the ground.
- A skateboard is rolling on the ground.
- This does not have potential energy.
- The skateboard is on the ground and cannot go any lower.

- Kinetic Energy
- An airplane is flying in through the air.
- This haskinetic energy.
- The airplane is moving.
- A skateboard is rolling on the ground.
- This has kinetic energy.
- The skateboard is moving.

Kinetic energy examples

Get ideas for what to draw.

Potential energy examples

Get ideas for what to draw.

Directions

Go ahead and draw your examples of kinetic energy and potential energy.

Altogether, this should take 2-4 minutes to finish.

Draw your examples for PE and KE.

Part B | Phet

3.12

directions

Use the link below to open up Energy Skate Park.

http://phet.colorado.edu/en/simulation/energy-skate-park

Complete Part B of your packet.

Part c | Phet

3.13

Directions

Complete part C of your packet by using the PHeT Energy Skate Park simulation.

Complete Part C

Part d | Power point and phet

3.21, 3.31, 3.41

Energy transformation vs.energy transfer

Energy Transformation

- An energy transformation is when energy changes from one type into another.
- Potential energy transforms into kinetic energy when moving down.
- Kinetic energy transforms into thermal energy when something hits the floor and during friction.

Energy Transfer

- An energy transfer is when energy moves from one place to another.
- Thermal energy transfers to another object when two things touch (conduction).
- Thermal energy transfers to objects far away through waves (radiation).
- Thermal energy rises in liquids and gases when hot molecules rise (convection)

Fill in the definition part of your chart.

Law of conservation of energy

Energy cannot be created or destroyed—which means that when we “lose” one type of energy, it either changes into a different type (energy transformation) or moves somewhere else (energy transfer).

As the child moves down the hill, her potential energy transforms into kinetic energy. As friction slows her down, her kinetic energy transforms into thermal energy (and even sound energy). Energy is never destroyed.

Read this slide

Part E | Phet

3.22

Directions

Complete part E of your packet by using the PHeT Energy Skate Park simulation.

Complete Part C

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