Difference between revisions of "3Force-6"
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Revision as of 07:20, 30 October 2011
Contents
Outcomes
Pupils should be able to give examples for, label and name a range of forces including
- Air resistance (drag)
- Thrust
- Upthrust
- Tension Force
Specification References
1.7 Express a force as a push or a pull of one body on another
1.8 Identify various types of force (e.g. gravitational, electrostatic etc)
Starter
Main Body of Lesson
- The force circus has now been split in three. To get through the circus I suggest talking through each station with the entire group having different pupils undertaking the experiment as you go. There is also a powerpoint with some simple definitions of the 4 forces covered in this lesson.
- Laminated copies are provided with the circus- copy in science shared
- You may be asked to have types of forces lesson 2 prior to lesson 1 so that kit can be easily shared.
Plenary
- Set up a balloon which is electrostatically charged, on the ceiling, attach a string with a paperclip at the end. With a strong magnet on a retort stand, arrange it so that it is attacting the paperclip in the horizontal direction. The paperclip could have a wooden block attached to it which is floating in a beaker of water find set up here
- Have students draw and label the forces acting on the balloon and paperclip. Ask them to consider the size, direction and type of force
Homework
Additional Information
Resources Required
- Air resistance force/drag– ball bearing dropping through oil, model of dolphin, dropping ball and feather, parachute person
- Thrust - balloon (long ones and fat ones), straws, 2 lines of string to go from the front of the lab to the back of the lab close to the ceiling
- Upthrust - pieces of wood in water, different sized paper boat with paper clips to add, transparent water bath
- Tension Force- ball and string, tyrolean traverse with barbie attached
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
