Light & the Electromagnetic Spectrum

Visible light is which type of wave?

• seismic
• mechanical
• longitudinal
• electromagnetic

Tags

NGSS.MS-PS4-2

Do light waves NEED to travel in a medium?

• yes

• no

Which statement is true?

• Light is faster than sound.

• Sound is faster than light.

• Light and sound move at the same speed.

• Light and sound do not move.

Tags

NGSS.MS-PS4-1

Which color of light is produced when all of the colors of visible light in the electromagnetic spectrum are combined?

• gray
• white
• black

Which color do we get when there is an absence of all colors?

• gray
• white
• black

Match the following

• Overexposure to this can result in sunburns and skin cancer

• Radio waves

• Has the highest energy of all electromagnetic radiation and is the most damaging to human tissue

• Gamma Rays

• Has the longest wavelengths and the lowest frequency

• Infrared rays

• It is used in thermal imaging

• UV rays

• Used in cell phone communication and police radar systems

• Microwaves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Reorder the following according to the spectrum

• orange

• red

• blue

• green

• yellow

Electromagnetic waves that you can see

• radio waves

• visible light

• x-rays

• ultraviolet rays

Used for medical imaging to diagnose health issues in bones and teeth

• visible light

• ultraviolet rays

• x-rays

• gamma rays

Tags

NGSS.HS-PS4-4

NGSS.HS-PS4-5

Which electromagnetic waves have the highest frequencies and the shortest wavelengths?

• microwaves
• visible light
• gamma rays

Tags

NGSS.HS-PS4-1