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Hoffman Planetarium
Activity Guide 
Teachers and Students can find a downloadable version of the Hoffman Planetarium Activity Guide.
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Guess The Sound
Log into FOSSWeb
username: opstudent password: opstudent 
Use the pictures to determine what sounds will be made. Can you close your eyes and guess what it is?
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FOSS eBook
Sound and Light Log into FOSSWeb
username: opstudent password: opstudent 
Investigate how sounds are formed through vibration and how light sources create shadows in this unit.
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Sun, Light & Shadows
Learn about light & shadows as you experiment with different lights sources and objects. Move light to and from objects and see what happens.
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Guitar Sounds
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username: opstudent password: opstudent 
How can we make low-pitched and high-pitched sounds? Use this guitar virtual lab to observe and make sound.
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Sound Categories
Log into FOSSWeb
username: opstudent password: opstudent 
Place each object in its proper category. What do you think, does it make a loud or soft sound?
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Shadows
You probably see shadows every day, but may not have thought much about them. Come learn about shadows, why they happen, why they are sometimes long and why they are sometimes short.
Complete the worksheet and take the quiz to help check your understanding of how shadows are made.
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