Big Idea: Waves carry information without causing a permanent change on the intervening medium. More info...
Browse worksheets, ideas, lesson plans and more for students aged 5-19 and narrow your search using the filters below.
The idea that light travels is not uncommon in the 21 st century. Pupils will often refer to things moving at the speed of...
The speed of light plays a central role in astronomy and in physics.
The speed of light is constant. It is the same everywhere, and is the top speed: a universal speed limit. The way we measure...
Recognising and celebrating outstanding contributions to the field of physics education.