5506 - How to Measure Time Passing By

Topics:

• Introduction.
• Time in science.
• The movement.
• The speed.
• Cyclic movements.
• The period of a pendulum.
• The phenomenon of elasticity.
• The elastic pendulum.
• A pendulum clock.
• The natural cyclical motions.
• The shape of the earth.
• Poles, meridians and parallels.
• Latitude and Longitude.
• The apparent motion of the sun.
• The motion of revolution of the earth.
• The sidereal day and the solar day.
• The time in the various points of the earth.
• The date change line.
• The gnomon.
• The sundial.
• Summer time.
• The calendar.
• The moon: the satellite of the earth.
• Month.
• The lunar phases.
• The lunar eclipse.
• The eclipse of the sun.
• The age of the trees.