1. What affects gasoline car mileage? A. Remember, as one of the first steps in

Question

1. What affects gasoline car mileage?

A. Remember, as one of the first steps in planning your investigation, you may need to narrow your original question.

B. Then write a hypothesis and design an experiment to answer the question. Be sure to include all the necessary parts of an experiment, such as naming the manipulated and responding variables and identifying the variables you will control.

C. Write any operational definitions that are needed. Include a data table you could use for recording your observations.

Explanation / Answer

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Narrowing:

"Does A/C affects car mileage"

"Does rolled down windows affects car mileage"

"Does low Tire -Pressure affects car mileage"

b.

Hypothesis:

"Does A/C affects car mileage" --> The use of A/C requires energy, which is consumed via combustion. But will also favour rolled-up windows, which avoids wind friciton.

"Does rolled down windows affects car mileage" --> The rolling down the windows dows not energy, but wind will have a higher friciton

Consider:

- Same vleocity

- Same track

- Same car

- Same driver

- Same Gasoline use

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