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 Today’s Reading Let’s Recap KE and PE… Skate Park Simulation Entrance Question Gravitational Potential Energy Gravitational Potential Energy Gravitational Potential Energy Gravitational Potential Energy Variable: Height Variable: Mass In your notes… Entrance Question Marble Track Lab Marble Track Lab Marble Track Lab

Презентация: «Today’s Reading». Автор: Jason Hale. Файл: «Today’s Reading.pptx». Размер zip-архива: 257 КБ.

## Today’s Reading

содержание презентации «Today’s Reading.pptx»
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### Today’s Reading

Step 1: Skim through the entire passage. Look for main ideas. Step 2: Read the passage as a class. Highlight main ideas. Step 3: Complete the questions on your own. Step 4: Review answers as a class.

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### Let’s Recap KE and PE…

http://www.youtube.com/watch?v=vl4g7T5gw1M&feature=related

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### Skate Park Simulation

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

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### Entrance Question

Explain the energy involved in the two images. Be sure to include kinetic energy and potential energy in your answer.

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### Gravitational Potential Energy

What is the difference between potential energy (PE) and gravitational potential energy (GPE)?

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### Gravitational Potential Energy

Definition: the energy an object possesses because of its position in a gravitational force field

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### Gravitational Potential Energy

What two factors affect an object’s GPE?

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### Gravitational Potential Energy

How could we test this to be sure? Materials: Hollow plastic egg, pennies, open container of sand, meter sticks

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### Variable: Height

Mass of Egg (g)

Drop Height (cm)

Diameter of Crater (cm)

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### Variable: Mass

Mass of Egg (g)

Drop Height (cm)

Diameter of Crater (cm)

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### In your notes…

Gravitational Potential Energy Definition: the energy an object possesses because of its position in a gravitational force field Factors Affecting GPE: Height: the greater the height, the more GPE the object will have Mass: the greater the mass, the more GPE the object will have

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### Entrance Question

Why do engineers design the beginning of most roller coasters the same way? Use the terms below in your response. kinetic energy & potential energy http://www.youtube.com/watch?v=yOTgWr0J1Bw

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### Marble Track Lab

Materials: Pencil Two coloring utensils (colored pencils or highlighters) Marble Track Lab handout Expectations: Collaborate respectfully - Stay on task Be creative - Use the materials appropriately Follow directions carefully - Wait patiently at checkpoints

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### Marble Track Lab

Greens: Back of the room Yellows: Front of the room

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### Marble Track Lab

Materials: Pencil Two coloring utensils (colored pencils or highlighters) Marble Track Lab handout Expectations: Collaborate respectfully - Stay on task Be creative - Use the materials appropriately Follow directions carefully - Wait patiently at checkpoints

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