Worksheet: Ks3 Atomic Structure

(Diagram description: A central circle with two smaller circles inside; a larger looping path around the centre with small particles on it) [Draw a simple atom: central nucleus, one energy level shell around it]

Name: _________________________ Class: _________________________ Date: _________________________ Section 1: Label the Atom Use the words in the box to label the diagram of the atom. ks3 atomic structure worksheet

1. ________________ (the central part – contains protons & neutrons) 2. ________________ (positively charged particle inside the nucleus) 3. ________________ (neutral particle inside the nucleus) 4. ________________ (negatively charged particle outside the nucleus) 5. ________________ (the path where electrons travel) Complete the sentences using the words below. (Diagram description: A central circle with two smaller

Electron, Neutron, Nucleus, Proton, Shell (or Orbit) Shell (or Orbit)