1. Meet the Flintstones
Show clip in its entirety.

2. Simple Machines Identify the simple machines shown in this video.
What are all the different types of simple machines?
Basic machines
Lever
Wheel & axle
Inclined plane
Pulley
Combination of machines
Gear – wheel & levers
Screw – inclined plane wrapped around a cylinder
Cam – uneven wheel

3. Simple Machines Dinosaur head & neck Class 3 lever
What type of machine is this?
What are the 3 parts of levers?
Fulcrum
Load
Effort
What type of lever is this?
Class 3 lever

4. Simple Machines Control for dinosaur head. Pulley (as well as)
Class 1 lever
Wheel & axle
What type of machine is this?
We can't see the handle of this machine. Its made of two different machines – lever and wheel & axle

5. Simple Machines Dinosaur tail Inclined plane
What type of machine is this?

6. Simple Machines
Car
What type of machine is this?
Wheel & axle

7. How does he stop the car? How does he stop the car?
Why is this not realistic?
Terms to review:
Friction
Mass
Force
Work
Formula to introduce
Work = Fd

8. How does stepping on the brake pedal stop a real car?
How hard do you have to step on the brake pedal to stop a car going 2km/h?
How hard do you have to step on the pedal if its going 20km/h?
Why is it so easy to stop a car?