A Thomson's electron beam
In this activity you will use a simulation to explore how J.J. Thomson measured the properties of electrons using a CRT. Criterion A: Knowing and Understanding Critical thinking skills > Recognise and evaluate propositions Inquire MYP 4-5 inquiry questions: What are atoms made from? What are ‘fundamental’ particles? Which particles are fundamental? This activity links to 5.5.2 What's in an atom? from the student...