Difference between revisions of "3-TAS-01 Gravitation"
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* [[Bowling Ball and Lycra]] demonstration followed by pupil experiment | * [[Bowling Ball and Lycra]] demonstration followed by pupil experiment | ||
* Introduce gravity as the cause of spherical orbiting planets | * Introduce gravity as the cause of spherical orbiting planets | ||
| + | ** Mount Everest can't be much taller than it already is. If it were 16km tall instead of 8km then it would collapse under its own weight. | ||
==Plenary== | ==Plenary== | ||
Revision as of 08:26, 1 July 2008
Contents
Outcomes
- Pupils can define weight as the force on an object due to its mass.
- Pupils can describe qualitatively the effect of changing distance and masses on the strength of a gravitational force.
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 clip 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
- Mount Everest can't be much taller than it already is. If it were 16km tall instead of 8km then it would collapse under its own weight.
Plenary
- Key phrases crossword
Homework
- Introduction to Alien Planet Project.
Additional Information
Resources Required
- Cavendish experiment
- Bowling Ball
- Lycra sheet
- Clever physics worksheet
- Key phrases crossword
Textbook References
- None
Website References
- A short biography of Henry Cavendish
Skills Addressed
Safety/Hazards
- Bowling ball is heavy; please refer to the Manual handling section of the Laboratory Lessons Health and Safety Risk Assessment
- General Laboratory Health and Safety Risk Assessment
Notes
- None
