6.3 Light

Match the following

• a substance that does not transmit light

• opaque substance

• a substance through which light is easily

  transmitted

• transparent substance

• the narrow range of wavelengths in the

  electromagnetic spectrum that can be seen by

  human eyes

• electromagnetic spectrum

• the amount of visible light that is emitted from

  a source

• visible light

• the arrangement of electromagnetic waves

  according to frequency or wavelength

• luminous intensity

Tags

NGSS.MS-PS4-2

The electric and magnetic fields that make up electromagnetic waves travel parallel

to one another away from the electric charge.

• TRUE

• FALSE

Tags

NGSS.HS-PS4-3

The color of an opaque object is caused by the wavelengths of light that the object absorbs.

• TRUE

• FALSE

Tags

NGSS.MS-PS4-2

Electromagnetic waves with higher frequency and shorter wavelengths carry more energy than electromagnetic waves with lower frequency and longer wavelengths.

• TRUE

• FALSE

Tags

NGSS.HS-PS4-1

Infrared rays carry more energy than X-rays.

• TRUE

• FALSE

Tags

NGSS.HS-PS4-4

The intensity of light increases as the distance from the light source increases.

• TRUE

• FALSE

All objects emit infrared waves.

• TRUE

• FALSE

Tags

NGSS.MS-PS4-2

A light wave’s angle of incidence equals its angle of reflection during diffuse

reflection.

• TRUE

• FALSE

Tags

NGSS.MS-PS4-2

Match the following

• an electromagnetic wave with slightly shorter

  wavelengths & higher frequencies than

  ultraviolet rays

• infrared light

• the theory that light is made of small bundles of energy called photons

• particle theory

• a type of radio wave with short wavelengths

  and high frequencies

• microwave

• an electromagnetic wave with slightly greater

  wavelengths and lower frequencies than red

  light

• X-Ray

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

Match the following

• the part of a shadow that is completely dark

• umbra

• the release of electrons from metals by photons

  of light

• photoelectric effect

• a light source that generates light by producing

  heat

• incandescent light