Explore how computers and digital cameras store pictures with this Pixel puzzle.
Computers store pictures as numbers. They break the image up in to lots of small squares, called pixels. A number giving the colour of each pixel is stored.
Colour in the squares in the puzzles below using the colours from the colour key to reveal the original pictures.
CS powers: representing images!
The Romans
Roman Tesserae Colour-by-number puzzles
Mini-beasts
Mini-beast Colour-by-number puzzle 1
A bit of cs4fn 