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.
Whats 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]