3-RAD-01
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Contents
Outcomes
- Student should be able to describe and compare the Plum Pudding model and the Rutherford model of the atom.
- Students should recall that like charges repel.
- Using the observations from the Geiger and Marsden’s experiment they should be able to make conclusions about the structure of the atom and how they support the Rutherford model.
Specification References
- 1.8 Identify types of forces
Starter
- Cavendish experiment demonstration
Main Body of Lesson
- Define difference between mass and weight
- Interplanetary Can experiment
- Video clips of moon experiments; link to Newton's Laws of Gravitation
- Bowling Ball and Lycra demonstration followed by pupil experiment
- Introduce gravity as the cause of spherical orbiting planets
Plenary
- Key phrases crossword
Homework
- Introduction to Alien Planet Project.
Additional Information
Resources Required
- Cavendish experiment
- Bowling Ball
- Lycra sheet
- Clever physics worksheet
Textbook References
- None
Website References
- A short biography of Henry Cavendish
Skills Addressed
Safety/Hazards
- Bowling ball is heavy
- Class II laser used in Cavendish experiment
Notes
- None
