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Light Facts
Sources of Light
Reflection
Refraction
Random Science Facts
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 unit used to measure electrical energy.
What is Kilowatt.
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 reaction between chemicals in a man-made device.
What is Chemiluminescence.
200
In order for an image to appear on a surface, the surface must be what?
What is smooth.
200
When light enters a more dense medium it will bend towards or away from the normal line?
What is Towards.
200
A simple machine made up of a fulcrum, an effort arm and a force arm.
What is a Lever.
300

A diagram showing how light interacts with its surroundings.

What is a Ray Diagram.

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 these two things are equal.
What are the Angle of Reflection and the Angle of Incidence.
300

The ratio of the speed of light in a vacuum to the speed of light in a second medium.

What is index of refraction.

300
The King of the Jungle.
What is a Lion.
400

Light behaves as both a ________ and a ________.

What is particle and wave.

400
This source of light comes from the use of electricity transferring through mercury vapour. The mercury vapour releases ultraviolet light which is absorbed by a phosphor coating which then releases visible light.
What is Fluorescence.
400
In a ray diagram the light ray that hits the surface of an object.
What is the Incident Ray.
400
When light enters a less dense medium will it bend towards or away from the normal line?
What is Away.
400
Using a solar panel we can convert light into this form of energy.
What is Electrical.
500

The wavelength range of visible light.

What is 400 nm to 700 nm.

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

Total internal reflection occurs when the angle of incidence is _____________ than the critical angle.

What is greater than.

500

This fruit is slightly radioactive.

What is the banana.