Questions: MACHINES & TRANSPORTATION
(Give reasons to support your answers)
1. What is a machine?
2. What is the difference between a simple machine and a complex machine?
3. Name the six simple machines and explain how they work.
4. What did people use to shoot arrows?
5. What did people build to get water for their plants?
6. What do ramps help us to do?
7. How did the Egyptians workers move the rockds up the ramps?
8. What fuels do most vehicles use today?
9. What vehicles don’t produce smoke or pollution?
10. What type of vehicles use human energy?