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Light Facts
Sources of Light
Reflection
Light interacting with substances
The EMR Spectrum
100
A form of energy that we can see.
What is Light?
100
This source of light come from heating an object up until it produces light.
What is an Incandescent source.
100
The process by which light strikes a surface and bounces off that surface is called?
What is Reflection?
100
The change in speed of light as it enters a new medium produces this occurrence.
What is Refraction?
100

The type of EMR we can see

Visible Light

200
A type of mirror used in city buses to keep an eye on the passengers.
What is a Convex mirror.
200

This source of light comes from the artificial reaction between chemicals.

What is Chemiluminescence.

200

In order for an image to appear on a surface of a mirror, the surface must be what?

What is smooth.

200

When light is completely absorbed or reflected by an object, we say that object is...

Opaque

200

The type of EMR that is used to scan bone structure

X-Ray

300

Light always oscillates at a certain rate producing a specific frequency. This means that light travels in the form of...

What is a Wave

300
This source of light comes from chemical reactions that occur within a living organism.
What is Bioluminescence.
300

The Law of Reflection states that the relationship between the angle light contacting the mirror and light leaving the mirror is...

What are they are equal.

300

When light is cleanly transmitted through an object, we say that object is...

Transparent

300

The lowest energy form of EMR

Radio Waves

400
The production of shadows tells us that light does what?
What is travels straight.
400

This source of light comes from the use of electricity transferring through mercury vapour. Used in tubes and industrial lighting.

What is Fluorescence.

400

In a light diagram, the term that describes the angle at which light approaches the mirror.

What is the angle of incidence

400

When light is scattered through an object and does not form a clear image, we say that object is...

Translucent

400

As frequency INCREASES, the wavelength...

Decreases

500
The classification for the sun and fire.
What are Natural Light Sources.
500

This source of light occurs when particles are able to absorb the energy from a light source and release it at a later time. (glow in the dark toys)

What is Phosphorescence.

500
The imaginary line that extends up 90 degrees from the surface of an object.
What is the Normal Line?
500

When light passes through a denser medium the amount of refraction will ___________ (increase or decrease)

Increase

500

The only 3 specific frequencies of light that the human eye detects.

Red, Green and Blue Light