UV, X-rays, and gamma rays

What Are Gamma Rays ?

• natural radioactivity

• magnetic force that holds down gravity

• electromagnetic radiation

• mechanical wave that travels with a medium

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What is a usage of Gamma ray ?

• kills cancer cells

• to heat up food

• to make stars

• to produce photosynthesis

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True or False : gamma rays are in front of radio rays

• true

• false

what are the dangers of gamma rays ? (multiple answers)

• damage the cells inside

• causes mutations in the DNA

• your brain cells melt

• damages cellular mechanisms

Which has the LONGEST wavelength and, therefore, the lowest frequency/energy

• Gamma Rays
• Radio Waves
• Visible Light
• Infrared rays

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Which section of the spectrum is the ONLY one we can see?

• X-rays
• Visible Light
• Gamma Rays
• Ultraviolet Rays

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Put the visible light colors in order from longest wavelength to shortest wavelength

• Violet, Indigo, Blue, Green, Orange, Yellow, Red
• Red, Yellow, Green, Orange, Violet, Blue, Indigo
• Red, Orange, Yellow, Green, Blue, Indigo, Violet

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How are electromagnetic waves different from other waves? 

• They have very short wavelengths 
• They transmit energy instead of matter 
• They can travel through a vacuum 
• They can change direction by reflection 

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Which waves are the type that can give us suntans and sunburns?

• Infrared radiation
• Ultraviolet radiation
• Radio waves
• X-rays

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Which waves are used to show heat loss with heat sensitive cameras?

• Infrared radiation
• ultraviolet radiation
• microwaves
• gamma rays

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