6th Grade -
Period 2- Answer these Analysis Questions from pg. A-20, 1-3:
"1. What changes did you have to make to your separation procedure while you were performing the procedure?  Why?
2. What safety precautions did you take while working with the unidentified mixture?
3. How would you separate:
    a. oil and vinegar?
    b. salt and iron shavings?
    c. salt and sand?"

Period 3 - write a hypothesis for your lab report on separating the mixture.

8th Grade - On a separate piece of paper, answer Question 1, p E-57: "The crash-test dummy that is most often used in frontal crash tests is the Hybrid III dummy.  It is 5 feet 9 inches tall, weighs 170 pounds (the size of an average man), and costs about $100,000. What are the advantages and disadvantages of using the Hybrid III in all vehicle crash tests?"

• Answer on a separate piece of paper
• using at least 3 complete sentences and
• using vocabulary from this lesson (engineering, sensor). As stated in the lesson (p. E-55),
• Crash test dummies are life-sized human dolls used as models for atual passengers, and
• sensors measure changes in motion and pressure to predict how badly people may be injured in a crash. 

Write and underline these definitions in your answer and receive up to 25% extra credit.