MJ Tykoski Cooper Junior High School Wylie, Texas.

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Presentation transcript:

MJ Tykoski Cooper Junior High School Wylie, Texas

…are trying to decide what wavelengths of light they should use when looking at the constellation Orion…

Statement 1: Dr. Moon says we should look at Orion in the visible spectrum because that is what we can see with our eyes. What’s the point in looking at any other part when we can’t even see it?

Statement 2: Dr. Luna says we should look at Orion in the infrared because it has wavelengths longer than visible light. Longer wavelengths can get through the gas and dust in nebulas.

Statement 3: Dr. Monde says we should look at Orion in the ultraviolet because it does not have as much energy as visible or infrared. Too much energy can be dangerous for humans and we don’t want to get hurt.

Dr. Moon: Visible Dr. Luna: Infrared Dr. Monde: Ultraviolet

A small solar panel (photocell) is wired to a amplifier/ Speaker Make sure the speaker is off

Data Table #1: Classroom Lights Data Table #2: Flashlight Data Table #3: UV Light

…describe all the energy transformations that happen when you are shining a light on the photocell

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Infrared light can be picked up on a photocell! It’s light!

…only look at visible light, they are missing most of the picture! Look at the picture of Orion in visible light. Where would you point your telescope?

Now look at Orion in infrared light. Would you still look in the same area? Where would you look that you hadn’t considered before?

1. A student pulls the infrared LED out of a remote and connects it to an MP3 player. Then the student turns the MP3 player on, and holds the infrared LED close to the photocell. What will the student hear coming out of the amplifier/speaker? 2.Describe the energy transformations from the MP3 player to the amplifier/speaker. 3. An astronomer is going to look at M16, the Eagle Nebula. What wavelength would be best for viewing the Eagle Nebula: visible, infrared, or ultraviolet? Why?