Intro to EMR

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

• amplitude
• energy
• frequency
• wavelength

Tags

NGSS.HS-PS4-1

What is radiation?

• A kind of light visible to humans

• Only from radioactive materials

• Energy moving through space

• A type of dangerous chemical

Tags

NGSS.HS-PS4-3

Which type of electromagnetic radiation is used in microwave ovens?

• Gamma rays

• Microwaves

• X-rays

• Radio waves

Tags

NGSS.HS-PS4-5

What does ultraviolet radiation cause in large doses?

• Bone fractures

• Night vision

• Skin cancer

• Muscle growth

Tags

NGSS.HS-PS4-3

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

Tags

NGSS.HS-PS4-4

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

Tags

NGSS.HS-PS4-1

What did you learn from the video?