In this article we show how similar principles can be used to move a polystyrene ball in a circular path.
A simple practical activity that uses various methods to help students understand the idea of the expanding universe.
Using a Predict-Observe-Explain cycle in fostering college students' scientific explanation on concepts of velocity and acceleration in a small-gro
A progression leading to understanding falling towards Earth is presented.
Practical approaches to teaching about energy and developing understanding.
Would a change in terminology help avoid confusion or do we need to review the use o f'energy' in science teaching?
Entropy is more usually studied in physics and chemistry but can also be considered in biology to explain limitations of energy changes in life-pro