By Jim Wiese
Dig into the technological know-how of precedent days and unearth outstanding discoveries!
* have you puzzled the place paper comes from, who made the 1st recognized maps, or how the traditional Egyptians have been capable of construct the pyramids?
* do you want to make your personal sundial, notice easy methods to discover earthquakes, or learn how to write in hieroglyphics?
* Are you trying to find nice rules on your subsequent technology reasonable venture?
If you responded "Yes" to any of those questions, then historic technology is for you! From Greek lighthouses and Roman bridges to chinese language kites and Mesopotamian cleaning soap, you'll examine a number of the maximum clinical discoveries and the folk who brought them to the area. Dozens of fun-packed actions assist you see for your self how the earliest people cultivated vegetation, why tools make varied sounds, how fireworks get their explosive energy, and lots more and plenty extra. all the tasks are secure and straightforward to do, and all you would like is daily stuff from round the apartment. So step again in time and take an grand trip with old technological know-how!
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Extra info for Ancient Science: 40 Time-Traveling, World-Exploring, History-Making Activities for Kids
These carts were pulled by oxen and donkeys. Try this activity to learn about how the wheel and the axle make work easier. Materials metal hook with screw on one end 2-by-4-by-6-inch (5-by-10-by15-cm) block of wood spring scale (available in hardware and sporting goods stores) paper pencil 15 plastic drinking straws 2-inch- (5-cm) diameter jar lid thick cardboard scissors tape two 6-inch (15-cm) pieces of wire glue 23 Procedure 1. Screw the metal hook into one end of the block. Link one end of the spring scale through the hook.
Place a piece of tape over the hole. 2. Fill that container with water and place it on the books. Place the second container on the table below the ﬁrst container so that the hole in the ﬁrst container is over the second container. 3. At the same time, start the stopwatch and remove the tape. Water will begin to drip from the top container to the bottom container. 4. After one minute, use the pen to mark the level of the water on the side of the bottom container. Make sure to mark the bottom of the water curve.
How does the use of warm water affect the results of your experiment? Explanation When you add oil to water, the oil will sit on the surface of the water. When you shake the solution, the oil and water will initially mix, but after you set the jar on the table, the oil and water will again separate. When you add soap to the water and oil and shake the jar, the oil will mix with the water again, but this time, after you set the jar on the table, most of the oil and water will not separate. In More Fun Stuff to Do, when you repeat the experiment with warm water, more oil stays suspended in the water.
Ancient Science: 40 Time-Traveling, World-Exploring, History-Making Activities for Kids by Jim Wiese