Put a pair of grapes in a microwave, sit back, and watch the show! A video lesson shows how microwaves make plasma from the components of the grapes. The narrator interviews experts in the field to explain how the frequency and wavelength of microwaves contribute to this outcome.

Concepts

plasma, states of matter, frequency, wavelength

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Additional Tags

science

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Instructional Ideas

• Have learners sketch the path and interaction of the microwaves

Classroom Considerations

• Expects an understanding of frequency and wavelength
• Caution pupils against attempting the experiment at home with their own microwaves

• This video is hosted on YouTube

Pros

• Emphasizes scientific vocabulary and concepts throughout
• Makes a connection to chemistry with ions

Cons

• None