Electromagnetic Spectrum

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

• microwaves
• visible light
• gamma rays

Tags

NGSS.HS-PS4-1

What is the correct order of the visible light spectrum starting with the longer wavelength?

• Red, yellow, orange, blue, violet, indigo

• Violet, indigo, blue, green, yellow, orange, red

• Green, yellow, blue, indigo, red, orange

• Red, orange, yellow, green, blue, indigo, violet

Tags

NGSS.HS-PS4-1

What waves have the lowest energy? 

• Gamma rays
• Visible light waves
• Radio waves
• X rays

Tags

NGSS.HS-PS4-4

Which color has the longest wavelength?

• Yellow

• Red

• Green

• Purple

Tags

NGSS.HS-PS4-1

Scientists observed a celestial object emitting a wavelength of 3 x 10^-10m. What type of telescope did the scientists have to use to view this?

• Radio wave

• Infrared ray

• X-ray

• Gamma Ray

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Infrared radiation can be used to take special pictures called thermographs. “Graph” means “image”. What can you infer about the prefix “thermo”?

• It means “light”

• It means “energy”

• It means “heat”

• It means “radio”

Which of the figures represents reflection?

• A
• B
• C
• D

Tags

NGSS.MS-PS4-2

This shows the phenomenon known as....

• reflection
• refraction
• mirrors
• focal point

Tags

NGSS.MS-PS4-2

What is the separating of light into different colors when it passes through a narrow slit?

• refraction

• absorption

• diffraction

• light waves

What color is an object that absorbs all colors in the light spectrum?

• white

• green

• none

• black