TED Ed - Just how small is an atom

TED Ed - Just how small is an atom
Publication Date: April, 2012
Type of Resource: Video/animation

This online resource examines the relative sizes of atoms, neutrons, protons and electrons.

The resource is a TED Ed video (5:27 min) which could be used as an introduction to a unit, or to consolidate understanding on subatomic particles.

It also examines the density of an atomic nucleus in terms of six million cars squashed into a 1-metre square box. 

Australian Curriculum:
  • Year 8 > Science Understanding > Chemical Sciences > Differences between elements, compounds and mixtures can be described at a... > ACSSU152
  • Year 9 > Science Understanding > Chemical Sciences > All matter is made of atoms which are composed of protons, neutrons and... > ACSSU177