Aiming for Grade 4 LOs:

• List the significant models proposed for atoms.
• Identify the key parts of the plum-pudding model and the nuclear model of the atom.

Aiming for Grade 6 LOs:

• Describe the differences between the plum-pudding model and the nuclear model of the atom.
• Explain how evidence from scattering experiments changed the model of the atom.

Aiming for Grade 8 LOs:

• Justify why the model of the atom has changed over time.
• Evaluate the current model of an atom.