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Old 03-05-2010, 12:15 AM   #1
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Posts: 46
Science help 1-10?

A) Goal

(B) Model

(C) Data

(D) Evaluation

(E) Revision

1: A car mechanic is given a 1966 Mustang to fix. The owner's complaint is that the engine runs roughly, especially when the car is accelerating. The mechanic's first guess as to the source of the problem is that the fuel mix is too rich. After adjusting the fuel mix valve, the problem persists, so the mechanic then guesses that the sparkplug advance mechanism is faulty. Replacing the sparkplug advance mechanism (the diaphragm attached to the distributor) fixes the problem, and the fixed car is returned to the owner.
A, B, C
A, C, D, E
A, B, C, D
A, B, C, D, E

2: To determine the most effective sales strategy, consumer goods retailers sometimes do experiments. These experiments help the retailer understand how people decide what to purchase. For example, the retailer can change whether a product is displayed on a high or low shelf, or can change which products are displayed nearby. The retailer then analyzes these data, and changes their product displays so as to maximize sales.
A, B, C, D, E
A, C, D
A, B, D, E
A, B, C, D

3: A wildlife biologist is put in charge of designing a strategy to maintain a population of mountain lions in West Texas. The first action taken by this biologist is to determine whether population size is increasing or decreasing, while allowing current management practices to continue. By tagging animals and monitoring the population over 10 years, the biologist discovers that the population is declining at 3% per year.
A, B, C,
A, C, D, E
A, B, C, D
A, B, C, D, E

4: Mixtures are generally separated by what methods?

5: All solutions are mixtures, but not all mixtures are solutions.
Always true
Always false
True, with the exception of water
False, with the exception of water

6: As the temperature of a mixture increases, one part of the mixture may melt while the other parts remain solid.
Always true
Always false
True for all liquid mixtures
False for all liquid mixtures

7: Which of these is not a mixture?
Oil and water
Sand and water
Diet Soda
All are mixtures

8: Before the creation of the world as we know it, the earth:
Was flat
Was bright
Was empty
Was inhabited by fish men

9: How many days did it take for God to complete creating the world?

10: On the first day, God saw that the light was:
Too dim

artzai is offline   Reply With Quote
Old 03-05-2010, 12:30 AM   #2
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Join Date: Aug 2009
Posts: 37
Science help 1-10?

Here's my attempt at some of the questions:
1. A, C, D, E
2. A, B, C, D, E
3. A, B, C, D
7. Diet Soda
8. was empty
9. technically 6, as on the 7th day he rested
10. good
cormic is offline   Reply With Quote

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