Difference between revisions of "4-FAD-05"
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==Starter== | ==Starter== | ||
| + | * The students will use measuring cylinders stuffed with foam to discover the relationahip between force and pressure and area and pressure. | ||
| + | * SET 1 - Measuring cylinders will have the same cross sectional area of foam but have different length metal cylinders (to change the force) to drop into the cylinder. They watch or even record the distance the foam is pushed down. | ||
| + | * SET 2 - Measuring cylinders will be of different CSA's and have equal mass metal cylinders with different CSA's. They watch or record how the foam is depressed by object of varying CSA. | ||
==Main Body of Lesson== | ==Main Body of Lesson== | ||
Revision as of 03:39, 21 September 2009
Contents
Outcomes
Specification References
- 5.4 recall and use the relationship between pressure, force and area : Pressure = force / area
Starter
- The students will use measuring cylinders stuffed with foam to discover the relationahip between force and pressure and area and pressure.
- SET 1 - Measuring cylinders will have the same cross sectional area of foam but have different length metal cylinders (to change the force) to drop into the cylinder. They watch or even record the distance the foam is pushed down.
- SET 2 - Measuring cylinders will be of different CSA's and have equal mass metal cylinders with different CSA's. They watch or record how the foam is depressed by object of varying CSA.
Main Body of Lesson
Forces circus
- File too large to upload - laminated copies are provided with the circus- copy in science
Plenary
- Set up a balloon which is electrostatically charged, on the ceiling, attach a string with a
Homework
- Labelling forces homework sheet
- file too large to upload - look in science shared
Additional Information
Resources Required
- Electrical Force - balloons for electrostatics, rice in a plastic bottle charging polythene rods and using watch glass show repulsion
Textbook References
- None
Website References
- None
Skills Addressed
Safety/Hazards
- A tank with water in it will be heavy and so is only to be moved by the technician; please refer to the Manual handling section of the Laboratory Lessons Health and Safety Risk Assessment
- When using springs goggles must be worn
- The main risk is from the vacuum pump and apparatus. The specific risk assessment must be read before using the apparatus.
- General Laboratory Health and Safety Risk Assessment
Notes
- None
