A case study is presented in which a group of secondary school students took on a task in which they had to design and implement a method to measur
Easy ways to demonstrate temperature-sensing with thermochromic paint and to measure force with Electrolycra.
A simple practical activity that uses various methods to help students understand the idea of the expanding universe.
A method of demonstrating the unexpected effect of rapid collision with a large mass.
A progression leading to understanding falling towards Earth is presented.