science+work

Pressure in Fluids Explain
 * 1) Density- The amount of weight in a certain area (density equals mass divided by volume)
 * 1) Viscosity- How fast a fluid will flowl; the thinness or thickness of the fluid

Make sure you do Questions 1to4 on page 174 and Questions 1to 3 on page 181.

Answer the following questions in your own words!


 * 1) What is hydraulic power?
 * 2) What is pneumatic power?
 * 3) Give one example for #1 and #2.
 * 1) What is a hydraulic system in our bodies?
 * 2) What does the heart do in this system?
 * 3) Explain the systole and diastole pressure in blood pressure. Use your own words!
 * 4) What is a normal blood pressure?
 * 5) What happens if you have high blood pressure for long periods of time? This is not in the text book. Find you’re answer and include your source with your answer.
 * 6) Explain how blood moves up your leg (you guessed it… in your own words). Include picture found on page 180.
 * 1) What is a Pneumatic system in our bodies?
 * 2) What is going on when your ears “pop”?
 * 3) Where is eardrum located in your ear?
 * 4) Explain what is happening in your body when you swallow and when you yawn. This is not found in your text book. Try it and see what you come up with.
 * 5) Explain how your cartisen diver went up and down in the bottle. Draw a Labeled diagram that helps your explanation.
 * 1) Explain the result of the “wholly bottle”. Include a labeled diagram or picture to help you explanation. If you use a source other than your own picture you must note where is came from.


 * 1) Why is the candle put out in “Who turned out the lights”?
 * 2) Why does the pop can imploded?
 * 3) Explain how the magic fountain works.
 * 4) Explain how the vortex works.
 * 5)  Sand thingy. Explain
 * 1) Find 5 hydraulic systems that happen in everyday life.
 * Name || Picture || Description. What does it do? In your own words. || Where did you find it? ||
 * 1) Find 5 pneumatic systems that happen in everyday life.
 * Name || Picture || Description. What does it do? In your own words. || Where did you find it? ||

Final Project

Create and explain one of the following


 * 1) Air pressure rocket that can fly and hit a target. See Mr. Wiebe for more details.
 * 2) Create a water pressure rocket that can fly for more than 5 seconds. Ask Mr. Wiebe for more Details.
 * 3) Create a toy using syringe hydraulics. The Toy must have at least 4 movements. Ask Mr. Wiebe for more details.