1. All About Simple Machines

2. A tool that makes work easier.
What is a simple machine?
A tool that makes work easier.
Name all six…

3. Lever
Incline plane
Wedge
Screw
Wheel and Axle
Pulley

4. Which simple machines lift objects?

5. Pulley
Lever
Wheel and Axle

6. What is caused by objects rubbing together?
friction

7. What is the object you move using a simple machine?
Load/resistance

8. A long gentle slope that stretches out the distance
What is the best incline plane to lift a heavy load?
A long gentle slope that stretches out the distance

9. If you wanted to lift a load up high using a pulley, which set up would you use?
One Pulley Two Pulley
Three Pulley

10. What simple machines are made from another simple machines?
Screw & Wedge

11. What are the parts of a lever?
Rigid bar and fulcrum

12. incline plane (on something that has wheels)
If I wanted to put a HUGE, heavy box into my car, what simple machine could I use to make the job easier?
incline plane (on something that has wheels)

13. What pulls objects down toward the Earth?
gravity

14. Distance traveled and the force needed
What two things do the size of the wheel and axle affect?
Distance traveled and the force needed

15. Which simple machine changes the direction of the force?
pulley

16. What force do you use when moving objects or using simple machines?
Effort or force

17. What simple machine would I use to move rocks from one side of the yard to another?
Wheel and Axle / lever
(wheel barrow)