All about Light Waves!

Which form of electromagnetic radiation has the greatest frequency?

• Radio waves

• Visibile light

• Infrared

• X-rays

Tags

NGSS.MS-PS4-1

Why does this car appears red under a white light?

• The car is absorbing the red light and reflecting the blue and green.

• The car is reflecting only the red light while absorbing the blue and green.

• The car is absorbing the red and green light while reflecting the blue.

• The car is absorbing the red, blue and green, but our eyes can only see the red.

Tags

NGSS.MS-PS4-2

Electromagnetic waves that you can see

• radio waves

• visible light

• x-rays

• ultraviolet rays

Match the following

• cell phone communication & cooking

• Infrared rays

• It is used in thermal imaging

• Radio waves

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

• Microwaves

• Has the longest wavelengths and the lowest frequency

• UV rays

• Overexposure to this can result in sunburns and skin cancer

• Gamma Rays

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which of the following is true about waves?

• When wavelength increases frequency increases
• When wavelength decreases, frequency increases
• When wavelength decreases, frequency decreases

Tags

NGSS.HS-PS4-1

__ is the change in the direction of a wave that occurs as the wave changes speed when moving from one medium to another.

• Refraction

• Reflection

• Absorption

• Transmission

Tags

NGSS.MS-PS4-2

The number of waves that passes a point in a certain amount of time.

• Amplitude
• Frequency
• Wavelength
• Magnitude 
• Speed

Which of the following is NOT true?

• Radio waves have lowest frequency
• Ultraviolet waves have highest energy
• Gamma waves have highest frequency
• Radio waves have longest wavelengths

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What can you see in a room that has no visible light?

• Only bright colored objects
• Only dark colored objects
• Only white objects
• Nothing at all

Does light require a medium to transmit from its source to an object?

• YES

• NO

Tags

NGSS.HS-PS4-3