Excellent: You clearly explain atomic structure, states of matter, and how atoms behave. You include accurate details and examples.

Good: You explain most concepts correctly with some good examples or details.

Satisfactory: You show basic understanding of atoms and matter with simple explanations.

Needs Improvement: Your explanations are unclear or contain several mistakes about atomic concepts.

Excellent: Your explanations are clear, logical, and easy to follow. You connect ideas well.

Good: Most of your explanations make sense and are well-organised.

Satisfactory: Your explanations are understandable but may jump around or miss some steps.

Needs Improvement: Your explanations are confusing or hard to follow.

Excellent: You use scientific terms like atom, molecule, proton, electron, and states of matter correctly and confidently.

Good: You use most scientific terms correctly in your explanations.

Satisfactory: You use some scientific terms correctly but may mix up a few.

Needs Improvement: You rarely use scientific terms or use them incorrectly.

I can explain what an atom is and its basic parts (protons, neutrons, electrons)

I can describe the three states of matter (solid, liquid, gas)

I can explain how atoms behave differently in each state of matter

I can give examples of matter changing states (melting, boiling, freezing)

I can use scientific vocabulary correctly in my explanations

I can write clear, step-by-step explanations

Solid

Liquid

Gas