| A | B |
|---|
| the wheel | What is the most important invention of all times? |
| a simple bar | What would be an axle without wheels? |
| to make pottery | What was the first wheel used for? |
| in Sumeria about 3500 B.C. | When and where was the wheel invented? |
| a pottery craftman | Who invented the first wheel? |
| pedals | What did the craftman use to spin the pottery wheel? |
| to store food and water | Why would making pottery faster be a help to the early humans? |
| by boat, walking, riding animals | How did people travel before the wheel? |
| horse, camel, donkey, elephant | What animals where used for transportation? |
| a bar that links 2 wheels | What is an axle? |
| because carts were created | Why is an axle important? |
| a 2 wheel, 1 axle vehicle | What is a horse cart? |
| a 4 wheel, 2 axle vehicle | What is a wagon? |
| it is faster and less tiring | What is the advantage of a cart over walking? |
| a group that makes advanced things | What is a civilization? |
| the wheel and the axle | What are the 2 most important inventions in history? |
| it keeps 2 wheels together | What does an axle do? |
| it helped people move faster | Why is a wheel important? |
| many vehicles have wheels | Why is the wheel important today? |
| Tigris, Euphrates | What was the name of the 2 rivers surrounding the region of Sumer? |
| the Assyrians in 2000 BC | Who invaded and conquered the Sumerians? when? |
