Introduction Do you like to build things using wooden blocks Legos or Lincoln Logs If you take classes in woodworking or metal you can construct things like a birdhouse or a spice rack Maybe you have helped your parents on a bigger construction project like building a doghouse You have probably done lots of construction work without even realizing it 4
In this book you will take a look at some old construction projects that continue to amaze people because of their vast size You will examine some of the techniques construction workers use to create the homes we live in today You will also take a look at the massive skyscraper buildings that can be found in the world’s biggest cities Finally you will take a look at the bridges and tunnels people have constructed to carry them easily from one spot to another Some construction projects are bigger than others but at the core they are all the same They are all about measuring estimating and calculating Constructing anything requires a lot of numbers and wherever there are numbers you can find math 5
Pyramids of Egypt STEM How many of the Seven Wonders are still with us today You can find out by using subtraction 7 6 1 Only 1 of the Seven Wonders is still with us today That one remaining wonder is the Great Pyramid located in Giza Egypt in Action Many of the world’s greatest construction projects no longer exist We only know about them because of ancient writings Between the years 484 and 425 BCE there lived a Greek historian named Herodotus Herodotus is sometimes called the father of history because he spent much of his life gathering and recording information Sometime in the 5th Century BCE Herodotus compiled a list of Seven Wonders of the World This was a list of man-made structures so vast and impressive that they were truly wondrous Six of the Seven Wonders no longer exist They were destroyed by natural disasters like floods fire and earthquakes Seven Wonders of the World 1 Great Pyramid of Giza 2 Hanging Gardens of Babylon 3 Statue of Zeus at Olympia 4 Temple of Artemis at Ephesus 5 Mausoleum at Halicarnassus 6 Colossus of Rhodes 7 Lighthouse of Alexandria STEM Fast Fact 6
The Egyptians made many pyramids but the Great Pyramid is the largest they ever built The Great Pyramid is roughly 482 feet 146 91 meters high and each side measures 756 feet 230 43 meters at the base Khafre’s Pyramid is a pyramid in Giza that was constructed sometime after the Great Pyramid was completed Khafre’s Pyramid appears to be larger than the Great Pyramid but this is only because it is built on higher ground The Great Pyramid in Giza Egypt is the only remaining wonder of the Seven Ancient Wonders of the World 7
