1. More Review

2. Label high and low pressure

3. Label thrust, drag, lift

4. What part of the can has the most pressure?
How much of the pop can has a weight equal to the buoyant force?
How does the density of the pop can compare to the water density?

5. Writing
Why do airplanes need to be pressurized for passenger safety when flying high in the atmosphere?

6. Writing
Air moving around a speeding race car can create lift. Upside-down wings, or spoilers, are mounted on the rear of race cars. Use Bernoulli’s principle to explain how spoilers reduce the danger of an accident.

7. Writing
Inside all vacuum cleaners is a high-speed fan. Explain how this fan causes the vacuum cleaner to pick up dirt.