Who invented the light bulb?
Follow this link for a useful site with information about energy saving light bulbs
Video clip of two demonstrations of how light travels in straight lines
Two short video clips about shadows to stimulate discussion
Some useful revision points contained within this interactive resource
How different materials affect shadows
Hand shadow puppetry
A video clip with lots of information about the human eye
https://web.archive.org/web/20080312084622/http://www.bootslearningstore.com/ks2/eyesight.htm Click this link for an informative interactive resource
This really is an excellent site containing visual tricks and explanations of what is happening
Simple animation showing reflection of light
Video clip showing and explaining refraction
http://www.planet-science.com/categories/under-11s/our-world/2012/06/make-a-periscope.aspx http://www.webinnate.co.uk/science/week8.htm http://www.sciencemuseum.org.uk/educators/teaching_resources/activities/360_degree_periscope.aspx
These sites explain how periscopes work and inspire periscope design!
Use mirrors to light up objects
An online kaleidoscope
Scroll down to see a video of a beam of white light passing through a triangular prism
Video clip that explains how rainbows are made
Child-friendly explanation of rainbow formation
Explanation of light and pigment colour mixing
Two sites that allow online mixing of coloured light
On this site you can mix light colours and pigment (paint) colours
Simple online pigment mixing
Description of electromagnetic spectrum that includes white light visible to the human eye plus other wavelengths such as microwaves, X-rays, infrared and ultraviolet
This site contains some useful background information for the more able about X-rays, CAT scans, microwave ovens, etc.
An experiment to measure the speed of light in the classroom!
Discover what in your home can slow the speed of light
This page contains some useful background information on Light Years
A video that explains why rainbows are seen in soap bubbles
Simple investigation to see the colours in soap bubbles
Children use their knowledge of light to save Rani in this challenge!