Light and Communication Quiz

What does the term "Emit" refer to in the context of light?

• To reflect light off an object

• To absorb light from a source

• To give off light from a light source

• To bend light as it passes through different mediums

Tags

NGSS.MS-PS4-2

What is a Light Ray?

• A particle that emits light

• A model of light that represents the direction light can travel

• A wave of energy in the electromagnetic spectrum

• A device used to measure the intensity of light

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NGSS.MS-PS4-2

What is Direct Illumination?

• When light is absorbed by an object

• When light rays from a source reflect off an object to the eye

• When light passes through an object

• When light is emitted by an object

Tags

NGSS.MS-PS4-2

What does Indirect Illumination mean?

• When light directly reaches the eye from a source

• When light is diffused through a medium before reaching the eye

• When light rays from a source reflect off one or more components of a system before reflecting off an object to the eye

• When light is completely absorbed by an object

What does it mean to Illuminate an object?

• To make an object transparent

• To paint an object with light-absorbing materials

• To shine light on an object

• To hide an object in darkness

Tags

NGSS.MS-PS4-2

What does it mean to Transmit a signal?

• To receive a signal

• To store a signal

• To send out a signal by radio waves

• To block a signal

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-3

What is the purpose of a Code in the context of communication?

• To create a puzzle

• To use a code to convert symbols into letters

• To write a secret message

• To translate a language

What does it mean to Digitize information?

• To print information on paper

• To convert information into a physical form

• To convert information (text, sound, images) into an on-off code that can be read by or stored on an electronic device

• To create a digital copy of a physical object

Tags

NGSS.MS-PS4-3