Ceili,+Luke+and+Matthew

=Light=

= LIGHT =

How can we change the direction of light?[[image:4blight/aurora.jpg width="328" height="260" align="right"]]
We can change the direction of light with mirrors = Does the sun reflect off the northern lights? = No the sun does not reflect off the northern lights. = What is reflection? = When light bounces off an object and back to the source. = How is light created? = Light is created by heat, electric charge, and chemical reaction. = Why do we wear light colors at night? = Light/bright colors are more reflective. = How many colors are there? = There are 16 million colors. = How was the sun formed? = The sun was formed by clouds of dust and gas. = What do the following terms mean? = Trance parent: light travels through it. example: windows, glasses Opaque: Light cannot travel through it example: football, baseball Trance lucent: some light passes through it but most of it is absorbed = In which ways is light valuble? = Without light we can not see, breath or eat. light gives us fuel, coal, natural gas, and oil. = How far can light travel? = Light can travel about 186, 000 miles per second. = Where does northern lights come from? = The nothern lights come from solar storms. = What makes light glow? = It is a form of radiation that we can see. = Who built the biggest flash light? = Zwebuilder built the biggest flashlightthe company is opto electronics (in Germany) it was 400cm and 9 led and its power is 1000 lumens. = Natural light Artificial = sun lightbulb stars flashlight = Why do dark colors get warmer than light colors? = Dark colors absorb light and light colors reflect light