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Unit 1 Test Review- Engineering Design and the Scientific Method Flashcards | StudBud
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Unit 1 Test Review- Engineering Design and the Scientific Method
Unit 1 Test Review- Engineering Design and the Scientific Method
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Unit 1 Test Review- Engineering Design and the Scientific Method
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1
Engineers are making a new car that runs only on ethanol. What is the intended benefit of this?
To allow people to use more gas
To make the car go faster
To make a prettier car
To have a car that runs on renewable fuel and not oil
2
If we test the battery life of the iPhone or Galaxy? What would be the independent variable?
what you do on the phone (games vs texting)
the charger you use
how long the phone stays charged
the phones
3
When I test my conditioner against a new brand, what is the dependent variable?
the new conditioner
the old conditioner
the water temperature
the number of tangles in my hair
4
What does it take to have a good controlled experiment
Have only one variable, with all other factors changing.
Allow all factors to change, except one.
Have only one variable, with everything else controlled
Have one or more variable with a good conclusion
5
Factors that change within an experiment are called?
dependent
constants
variables
controls
6
Which step of the SM is missing: Question, research, _____, test, analyze, report.
conclude
hypothesize
create
plan
7
Which tools would help you find the volume of a liquid?
graduated cylinder, pan balance, stopwatch
beaker, measuring tape, ruler
Flask, bunsen burner, triple beam balance
beaker, flask, graduated cylinder, pipette
8
After I test my hypothesis, what should I do?
report
analyze/conclude
question
research
9
If we test the battery life of the iPhone or Galaxy? What would be the dependent variable?
the features of the phone
the battery strength
Which one is more liked
the type of phones
10
Which of the following is an unintended consequence of plastic water bottles?
They are a quick source of clean water
They are convenient and can be easily thrown away
They are making more trash in landfills
They are affordable
11
What is the difference between the scientific method and the engineering design process?
The SM answers a question; the EDP solves a problem
The EDP uses variables; the SM does not
None of the above
The SM solves a problem; the EDP answers a question
12
Which of the following is a control when testing my old conditioner against a new brand?
the old brand of conditioner
the new brand of conditioner
there is no control
the water temperature
13
I am running a test to see if fertilizer really works. Which one is a controlled variable?
the plant with no fertilizer
the growth of the plants
the fertilizer
the amount of sunlight
14
In the engineering design process, what do I do after I test my prototype?
analyze/conclude
do research
make improvements
report
15
Why does bias cause experimental error?
It doesn't it is only an opinion, which doesn't cause error.
Bias is part of every good experiment
Bias is just a piece of factual evidence.
You want to base your data on fact rather than opinion.
16
Which of the following is adaptive bioengineering?
crutches
contact lenses
cochlear implants/ Ear surgery
wheelchair
17
Which of the following is an example of assistive bioengineering?
genetically altered crops
cast
lasik eye surgery
hip replacement
18
Why should you repeat experiments?
Repeating experiments gives them more variables to test.
Repeating experiments is just fun
Repeating them helps scientists avoid unseen bias and error
Repeating them helps you turn your conclusion into fact
19
Which of these occurs during the brainstorming stage of the Engineering Design Process?
Develop Possible Solutions
Test the prototype
Make a prototype
Find a problem
20
Bioengineering is:
none of the above
applying technology to animals
applying technology to living things
applying technology to human beings
