How Science Works

	LGS Chemistry> Year 9> How Science Works>

*Topic Contents*
Introduction to How Science Works in preparation for GCSE Designing an investigation – independent, dependent and control variables Making measurements accuracy and precision continuous, discrete, categoric and ordered variables Presenting data – tables and graphs Using data to draw conclusions - reliability

The following PDF files are available (Acrobat Reader required):
*Notes and Problems*	*Experiment Worksheets*
Tables and Graphs

*Useful Links*
Centre-Assessed Unit (AQA spec, p.65-68)	knowledge required for ISA