The grass sea
Open the map in 3000 BC and find the area labeled Yamnaya culture north of the Black Sea and the Caspian Sea. This grassland, the steppe, runs for thousands of kilometers. Why is it good land for herders?
Open this view on the mapCopper and Bronze Age · About 3500-1200 BC
The wheel came thousands of years after farming. Students follow wagons and horses across the grasslands of the steppe, find the first spoked chariots, and see how one invention spread from Egypt to China.
Live lesson · new in Classroom
Put the board on the projector. Students join with a six-digit code, no account needed, and tap the map: where was the frontier, where did the grain come from. Their pins drop in together when you reveal, and the closest student takes the round.
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Read aloud
The wheel came thousands of years after farming. Students follow wagons and horses across the grasslands of the steppe, find the first spoked chariots, and see how one invention spread from Egypt to China.
By the end of the lesson, students can
Project the map, or let students follow on their own devices. Each step opens the map at the right year and place.
Open the map in 3000 BC and find the area labeled Yamnaya culture north of the Black Sea and the Caspian Sea. This grassland, the steppe, runs for thousands of kilometers. Why is it good land for herders?
Open this view on the mapJump to 2000 BC and move east to the southern Ural Mountains. Graves of the Sintashta culture here hold the oldest known chariots with spoked wheels. Why are spokes better than solid wheels?
Open this view on the mapJump to 1200 BC and zoom out. By now Egypt, the Hittites and the Shang kings of China all used chariots. Trace how far the idea traveled from the steppe.
Open this view on the mapPick two or three. They run from what happened to why it mattered.
Play one round of Rule History as Ramesses II, who fought the Hittites from a chariot at Kadesh in 1274 BC. Discuss: the spoked chariot was developed on the steppe centuries before him. How did an invention of herders end up deciding battles between empires?
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