Revision as of 03:08, 8 October 2008

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Outcomes

• Pupils can recall an overview of the history of chronometry
• Pupils can identify major advantages and disadvantages of several types of clock

Specification References

Starter

• Explain the notion of lesson using these two power point presentations 1 & 2. The pupils write on this group worksheet as you go through the ppp, then move pupils to library.

Main Body of Lesson

• Pupils in groups of ≤4 research and produce two minute talks on:

1. the celestial basis of time;
2. sundials and gnomon;
3. water clocks and hourglasses;
4. mechanical clocks;
5. quartz crystal clocks;
6. Atomic clock

Plenary

• Pupils present what they have learnt to the rest of the class. The pupils should evaluate each other using this evaluation form.

Homework

• Produce poster about their area of research

Additional Information

Resources Required

• Library
• The difference between siderial days and solar days is explained here.
• An overview of the history of water clocks can be found here
• A breif history of the making of reliable mechanical clocks can be found here
• A short explanation of atomic clocks

Textbook References

Website References

Skills Addressed

• Oral
• Reading
• Discussion
• Written

Safety/Hazards

Notes

Notes

• None