A set of four A2 size colour posters introducing key issues relating to chemical measurements, aimed at GCSE and A-Level students.
How do I obtain a sample for testing?
�introduces the importance of sampling and key sampling terminology.
What�s in my sample?
�explains the difference between qualitative and quantitative analysis
How reliable is my experiment?
�explains the difference between precision, bias and accuracy
How reliable are my results?
�introduces the concepts of errors and measurement uncertainty
Download the attached file to view the posters in PDF format (1.9MB). Teachers can obtain a free set of posters by contacting:
VAM Sales
LGC
020 8943 8441
[email protected]