Science in ancient times
Clever ideas from long, long ago.
How did Egyptians make medicine?Honey, plants and very old recipesHow did ancient people measure time?Shadows, water and sandHow did Romans build roads?Layers of stone that still existHow did people navigate without GPS?Stars, sun and a very good memoryHow did ancient people predict seasons?Watching the sky like a calendarHow did they preserve food?Salt, smoke, ice and sunshineHow did they make glass?Sand plus fire equals magicHow did they build the pyramids?Ramps, ropes and lots of teamworkHow did cities get water?Rivers that walked on bridgesHow did writing begin?From clay marks to lettersHow did people discover metal?Rocks that melted into toolsHow did people count big numbers?Fingers, knots and clever symbols