8.3 Forces at a Distance

Write a hypothesis that describes the cause-effect relationship you would expect if there was NO magnet in the Chromebook, just metal like iron.

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Write a hypothesis that describes the cause-effect relationship you would expect if there WAS a MAGNET in the Chromebook, just metal like iron.

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NGSS.MS-PS2-5

What types of materials do magnets attract?

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When a magnet attracts and repels an electromagnet we say that the electromagnet has gained kinetic energy. Explain why.

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Why does adding more magnets increase the volume of the speaker?

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During lesson 3, we wanted to investigate if air helps energy transfer between magnets, how did we determine our results?

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What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.
• I don't know.

What is a magnet?

• A material or object that produces a magnetic field

• A device that makes sounds louder

• Metal drawn out into the form of a thin flexible thread or rod

• any type of force that causes objects to come together, even if those objects are not close to or touching each other

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is a wire?

• A material or object that produces a magnetic field

• A device that makes sounds louder

• Metal drawn out into the form of a thin flexible thread or rod

• any type of force that causes objects to come together, even if those objects are not close to or touching each other

What is a Speaker?

• A material or object that produces a magnetic field

• A device that makes sounds louder

• Metal drawn out into the form of a thin flexible thread or rod

• any type of force that causes objects to come together, even if those objects are not close to or touching each other