Learn about planning experiments and variables when working scientifically with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

This is a survey paper on the application of control variables to increase the efficiency of discrete event simulations. The emphasis is on the practical problems and potential of applying the method ...

Journal of Science Education and Technology, Vol. 18, No. 5 (Oct., 2009), pp. 439-446 (8 pages) This study addressed one aspect of scientific reasoning, the control of variables reasoning scheme. We ...