1. Machines

2. Some words to remember MachineHigh Tech InventLow tech InventionTechnology Inventor Energy Engine Engineer

3. Machines make our lives easier. They have moving parts. They need energy to work.

4. Humans get energy from food.

5. Lights get energy from electricity.

6. Cars get energy from gas.

7. Cars use gas in the engine A engine is in the car and makes the car move

8. Think of how difficult your life would be without machines.

9. Technology is another word for machines. High tech means new, advanced machines. Low tech means the opposite.

10. Which machine is high tech? Which machine is better?

11. Which machine is high tech?

15. The newest or most advanced thing is called cutting edge or state of the art.

16. The idea of the airplane is very old. People have always wanted to fly.

17. Many people tried to make airplanes

18. The first people to make an airplane work were the Wright brothers. They invented the airplane. Their invention was the airplane.

19. Thomas Edison invented the light bulb.

20. Alexander Graham Bell invented the telephone.

21. What inventions were invented in China? China is famous for inventing many things.

22. GunpowderGuns Rockets Fireworks

23. Compass

24. Paper

25. Printer

26. Machines make our lives easier. What machines do we have that our mom and dad did not have when they were children? How do the machines make our lives easier?

27. What kind of machine would you make? How would it make your life better?