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Quantum Tunnelling Through Energy Barriers (Parent Q&A)

This guide explains the main ideas in the lesson about quantum tunnelling. Open Full Article...

Quantum Tunnelling Through Energy Barriers

How can a particle reach the other side of a barrier it cannot classically climb over? Open Full Article...

Quantum Tunnelling Through Energy Barriers (Teach This Topic)

This guide supports home teaching about how quantum mechanics predicts a finite probability of detection beyond a finite energy barrier. Open Full Article...

If Atoms Are Mostly Empty Space, Why Don’t We Fall Through the Earth? (Parent Q&A)

This guide helps parents support discussion of why solid objects do not pass through one another. Open Full Article...

If Atoms Are Mostly Empty Space, Why Don’t We Fall Through the Earth? (Teach This Topic)

This plan helps you support a learner aged 11 to 16 through the lesson’s central puzzle: why solid objects do not pass through the ground even though… Open Full Article...

If Atoms Are Mostly Empty Space, Why Don’t We Fall Through the Earth?

If atoms have no hard outer surfaces and are mostly empty space, what creates the solid force that stops us falling through the ground? Open Full Article...