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learn about volume
learn how to amplify sound
experiment with varios materials to meet a goal

","materials","

Notebook Paper

Construction Paper

Cardstock

Scissors

Tape

Picture of a Megaphone

","preparation","

find a picture of a microphone handy to share with students.

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Ask students if they can make their voice louder by using their hands. Why does that make their voice louder?
Have each student yell their name to you by cupping their hands and forming a “megaphone”.
Explain today’s objective: Students will try to a design a megaphone that amplifies their voice to the greatest volume.
Show them a picture
Students can choose which material they will use first to make their megaphone. When they have made their first megaphone, have them test out the volume.
Have them change something about their first megaphone to design a megaphone that produces greater volume. (Size, shape, paper)
Keep working as long as time allows
Reflect on what worked best.
Have students say their name as loudly as possible into their megaphone. Determine which megaphone produces the greatest volume.

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S.INQ Sound: Amplifying Sounds

S.INQ Sound: Amplifying Sounds

S.INQ Sound: Amplifying Sounds

Overview