Critical Thinking and Problem SolvingBuild an Atom
Build an Atom
PhET Interactive Simulations · CU Boulder
Drag protons, neutrons and electrons to build real atoms and watch the charge change. Online enrichment.
Try this:
Drag protons, neutrons and electrons to build real atoms and watch the charge change. Online enrichment.
What the simulation shows
- By the end of the lesson the learner can name the three sub-atomic particles and state the charge and relative mass of each.
- By the end of the lesson the learner can describe how protons, neutrons and electrons are arranged inside an atom.
- By the end of the lesson the learner can relate the structure of the atom to everyday materials in Kenya.
Audio narration — reads aloud, works offline
This self-contained HTML5 simulation is bundled inside the delivered package and runs fully offline (no external URLs).