At the same time, the shadow of Egypt clock “, other cultures also developed the need to organize their time more efficiently. Among other things, developing the Chinese, Greeks and Romans, another device for telling time to” make known invented. “Sundials are not necessarily better than the shadow clock is only a slight variation in the shadow of the clock Make your own” sun, “now in this scientific experiment.:
WHAT YOU NEED:
• Reporter
• Map of the rigid
• Compass
• Stucco
• Collage
• Scissors
Procedure:
In a first piece of cardboard, draw a right triangle as shown above. The short sides of the triangle must be 150 mm in length, while the long side, 200 mm, depending on the longitudinal angle used for your town. Make sure you are getting the base, below the dotted line.
Cut the second triangle and make a fold along the dotted line around the base of the triangle was on the form.
Third Make a thick base of its clock or wooden board approximately 150x300mm in size. Draw a semicircle on the base as shown in the illustration above.