1. Machines

2. 1. What do you believe a machine is?

3. 2. Name 10 machines.

4. 3. List as many things as you can think of that these 10 machines have in common with each other.

5. 4. Think of some movies that deal with machines & how the machines are viewed in the movie (good, bad, helpful, broken, etc.).

6. 5. Think of some TV shows that deal with machines & how the machines are viewed in each show (good, bad, helpful, broken, etc.)

7. 6. List some machines that you interact with everyday and identify the job each one does.

8. 7. Imagine these machines were no longer around. What would you do instead of using these machines? (List at least 3 different ways for getting the work done)

9. 8. What is the basic need of every machine? (No matter what the machine is, if this isn’t around, the machine won’t work)

10. 9. Are living things machines? Why or why not?

11. 10. What is ‘energy’? (Hint: If you have energy, what can you do? Or, if you DON’T have energy, what can’t you do?)

12. 11. Where do human’s get their energy?

13. 12. Where does a machine get it’s energy from? (Name some sources of energy that power different machines).

14. 13. Has your definition of a machine changed? What is it now?

15. Machines are necessary for our everyday life. Humans themselves are complicated machines. Machines are “tools” or “devices” that make our lives easier AND use energy to do work.

16. This unit will talk about how all machines are made up of 6 simple machines – “building blocks”, for complicated machines.

17. Simple Machines 1.Lever (teeter-totter, scissors, bottle opener) 2.Inclined planes (ramps) 3.Wheel & Axle (steering wheel, wheels) 4.Wedge (screwdrivers, door stops) 5.Screw (a wedge with an inclined plane wrapped around it) 6.Pulley (a wheel with a groove in it, that holds a rope to pull loads)