If I were to set my chair on top of my desk, it would be dangerous, as well as inconvenient. If I were to sit in my chair while it was set on my desk, it would be inconvenient and even more dangerous.

This resource is suitable for energy and sustainability topics for primary school learners. Aw, he's always sleepy after a walk… but the potential is there. See, energy can't be created or destroyed.

JONNY NELSON: Energy. There are lots of different types and lots of different ways of storing it. Chemical energy in a sparkler, elastic potential energy that fires a toy into the air, and many, many ...