EM Spectrum

What is your favorite POTATO based food?

What is your favorite POTATO based food?

How are UV waves harmful?

multi-select

• damage eye health

• UV waves are beneficial for skin health.

• UV waves have no impact on health.

• increase cancer risk

• they can damage skin

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NGSS.HS-PS4-3

NGSS.HS-PS4-4

What can x-rays do to living organisms?

• X-rays can enhance bone density.

• X-rays can improve skin texture.

• X-rays can damage living tissues, organs, and DNA.

• X-rays can cure diseases.

• X-rays can increase muscle mass.

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NGSS.HS-PS4-3

What is one way can you detect infrared waves?

• Detect infrared waves with your eyes.

• You can use your skin to detect infrared waves as warmth.

• Measure infrared waves with a regular light bulb.

• Use ultraviolet sensors to detect infrared waves.

• Use a microphone to identify infrared radiation.

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When you turn the knob/dial on an old TV or a radio, what are you actually changing?

• The frequency of the signal being received or transmitted.

• The brightness of the screen.

• The power level of the device.

• The channel number being displayed.

• The volume of the sound being played.

Why did Neil deGrasse Tyson tell you a story about potatoes in the beginning of this video?