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Name the type of energy demonstrated by each example: The food you eat X-rays Running Waves caused by vibrations The movement of molecules Holds protons together. Identify if this is potential or kinetic energy: 7) Stretching a rubber band 8) Lifting a box in the air 9) A battery.

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Presentation Transcript
slide1

Name the type of energy demonstrated by each example:

The food you eat

X-rays

Running

Waves caused by vibrations

The movement of molecules

Holds protons together

slide2

Identify if this is potential or kinetic energy:

7) Stretching a rubber band

8) Lifting a box in the air

9) A battery

slide4

11) You put a pot of water on the stove top. You turn the stove top on. The water begins to boil and bubble, splashing over the pot.

Draw an energy chain for this situation.

______  ________  _______

slide5

Describe the type of thermal energy transfer described in each situation.

12) A hot air balloon rises

13) Someone laying on the beach getting a tan (or sunburn!)

14) Rubbing your hands together

slide6

15) Molly and Melanie Molecule are sisters. They are very close. But they have been put over an open flame. Describe what will happen to Molly and Melanie.

slide7

Describe how the light wave is behaving in each example (one word is all you need):

16) Light hits a mirror and bounces back

17) A piece of black paper holds onto all the light hitting it

18) A prism breaks white light up into colors

slide8

19) Keisha is wearing a purple shirt. Why does her shirt look purple to you? (Describe what the light waves are doing).

slide9

20) Name as many forms of electromagnetic energy as you can remember.

3 is considered correct for this questions. More than 3 is a bonus. Any wrong answers count against you though!

slide10

Name the type of energy demonstrated by each example:

The food you eat chemical

X-rays electromagnetic/radiant

Running mechanical

Waves caused by vibrations sound

The movement of molecules thermal

Holds protons together nuclear

slide11

Identify if this is potential or kinetic energy:

7) Stretching a rubber band potential

8) Lifting a box in the air potential

9) A battery potential

All three are kinds of energy waiting to be used.

slide12

10) What are the forms of dissipated energy in a roller coaster?

Thermal and sound. The vibrations of the coaster wheels cause sound, and friction between the wheels and the track cause heat. These are “dissipated” or wasted energies.

slide13

11) You put a pot of water on the stove top. You turn the stove top on. The water begins to boil and bubble, splashing over the pot.

Draw an energy chain for this situation.

Electric  thermal  mechanical

(Chemical) …. If you have a gas stove

slide14

Describe the type of thermal energy transfer described in each situation.

12) A hot air balloon rises convection (hot air rises)

13) Someone laying on the beach getting a tan (or sunburn!) radiation (traveling in waves)

14) Rubbing your hands together conduction (through friction)

slide15

15) Molly and Melanie Molecule are sisters. They are very close. But they have been put over an open flame. Describe what will happen to Molly and Melanie.

Since molecules become less dense and move with greater energy as they heat up, Molly and Melanie will see less of each other as they spread out and begin moving more rapidly.

slide16

Describe how the light wave is behaving in each example (one word is all you need):

16) Light hits a mirror and bounces back reflection

17) A piece of black paper holds onto all the light hitting it absorption

18) A prism breaks white light up into colors refraction

slide17

19) Keisha is wearing a purple shirt. Why does her shirt look purple to you? (Describe what the light waves are doing).

All the light waves hitting the shirt are being absorbed except for the purple waves. These are being reflected back to your eye so you can see that color.

slide18

20) Name as many forms of electromagnetic energy as you can remember.

Radio waves

Microwaves

Infrared

Visible light

Ultraviolet

X-rays

Gamma rays