The following websites have been reviewed by teachers like you, to add to your resources for teaching this unit. You will find sites for both teachers and students. Please let us know if you have any issues with any of the sites or if the links are corrupted. Contact us. Thank you.

Background:
http://physics.nist.gov/GenInt/Time/time.html

Units of time:
http://library.thinkquest.org/06aug/01010/commonUnits.html

Time Zones: (image)
http://www.timetemperature.com/tzus/time_zone_boundaries.shtml

Daylight savings & standard time:
http://webexhibits.org/daylightsaving/d.html

Keeping time with the sun & moon -

Clocks:
http://www.darylscience.com/Demos/Clocks.html

Sundial:
http://www.britannica.com/clockworks/sundial.html

Calendars -

Ancient Dating (Calendars):
http://www.nationalarchives.gov.uk/palaeography/quick_reference.htm

Moon Phases:
http://www.moonphases.info/moon_phases.html#Description_of_the_moon_phases

Investigating Invented Clocks -

Clepsydra (water clocks):
http://www.britannica.com/clockworks/clepsydra.html
http://www.elytradesign.com/ari/html/clepsydra.htm

Pendulums:
http://www.britannica.com/clockworks/pendulum.html
http://www.elytradesign.com/ari/html/pendulumclock.htm

Clock Escapement:
http://en.wikipedia.org/wiki/Escapement

Ancient Observations -

Stonehenge:
http://www.crystalinks.com/stonehenge.html

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