By Jim Wiese
Dig into the technological know-how of precedent days and unearth outstanding discoveries!
* have you questioned the place paper comes from, who made the 1st identified maps, or how the traditional Egyptians have been in a position to construct the pyramids?
* do you want to make your individual sundial, observe tips on how to observe earthquakes, or discover ways to write in hieroglyphics?
* Are you trying to find nice principles on your subsequent technology reasonable undertaking?
if you happen to spoke back "Yes" to any of those questions, then historical technology is for you! From Greek lighthouses and Roman bridges to chinese language kites and Mesopotamian cleaning soap, you are going to examine a few of the maximum medical 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 diverse sounds, how fireworks get their explosive energy, and masses extra. the entire tasks are secure and straightforward to do, and all you wish 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
The earliest coins came from Lydia (modern western Turkey) and were made from electrum, a natural alloy (mixture) of gold and silver. Each coin was heated to make it malleable (able to easily change shape), placed between engraved dies, and then struck with a hammer. The dies had different symbols or pictures on them, which were engraved on the coin by the process. E. Today, most coins are made of different metals, such as iron, nickel, and zinc. How can you determine if a coin is made of certain metals?
9. Remove the rock from the pot and the pot from the tub. qxd 12/13/02 2:33 PM Page 53 10. Pour the water from the tub into the jar. 11. Again hook the spring scale to the jar’s string and weigh it ﬁlled with water. 12. Calculate the weight of the water by subtracting the weight of the jar by itself from the weight of the jar and water. 13. Compare the weight of the water in the jar to the difference in weight between the rock in the air and the rock in the water. What did you ﬁnd? More Fun Stuff to Do Draw identical horizontal lines halfway up the outside of two Styrofoam cups.
E. The ancient Romans improved on map techniques by producing road maps with towns and cities clearly marked. This made travel between cities much easier. PROJECT 4 Money, Money, Money o one knows when people ﬁrst started using Nobjects such as shells, stones, and animal bones as money. The ﬁrst metallic money appears to have been small bronze pieces used in Mesopotamia. The earliest coins came from Lydia (modern western Turkey) and were made from electrum, a natural alloy (mixture) of gold and silver.
Ancient Science. 40 Time-Traveling, World-Exploring, History-Making Activities for Kids by Jim Wiese