The electromagnetic spectrum is arranged by how much ________ the wave has

• amplitude
• energy
• frequency
• wavelength

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What is radiation?

• A kind of light visible to humans

• Only from radioactive materials

• Energy moving through space

• A type of dangerous chemical

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Which type of electromagnetic radiation is used in microwave ovens?

• Gamma rays

• Microwaves

• X-rays

• Radio waves

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What does ultraviolet radiation cause in large doses?

• Bone fractures

• Night vision

• Skin cancer

• Muscle growth

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On an x-ray the bones look white because

• Light doesn't pass through them

• Light passes through them

• X rays

• No, they look black

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What is the speed of electromagnetic radiation through space?

• 600,000 km/s

• 450,000 km/s

• 150,000 km/s

• 300,000 km/s

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What did you learn from the video?