26/8/07 - Literacy, differentiation and SEN in science. Worksheets and lesson plans, plus you can build your own scheme of work - this is not a free-to-use site though!
This simulation involves changing variables by selecting the strength of the water flow into the bath, turning the tap on or off, putting the plug in and out, and telling Archimedes to get in and out of the bath.
It has also been successfully used in Year 6 Science lessons to provide an opportunity to carry out experiments with several variables and interpret the data produced.
19/08/2010 - How big are things really? This link takes you to the space page of a very interesting BBC site. Compare the size of the moon with any location on earth. There's plenty more besides, so well worth a quick look. Would also be quite useful for comparisons in mathematics.