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Research
What is a control?
No new treatment
Before you can begin to solve a problem you must
identify the problem
The town of Wayne, WV hires several contracted engineers to come up with ways to clean the ongoing water crisis. Identify the problem
Unclean water
If you said you are taller than your friend, this is an example of:
Qualitative data
Educated guess or prediction
Hypothesis
Variable that the tester changes
Independent Variable
3rd step of engineering design process
Brainstorm solutions
Brands of fertilized soils' effectiveness measured compared to unfertilized soil. What is the experimental group.
Fertilized soil
Duracell batteries lasted 3 hours longer than Energizer batteries. This is an example of:
Quantitative data
Early working model of an invention
Prototype
Variable that gets measured
Dependent Variable
It is best to
brainstorm in groups
Adidas, Vans, Athletic Nation, Converse, Reebok, Nike. Identify the control group
Athletic Nation
What is it called when someone thinks they got new treatment and mimic the desired results?
Placebo effect
Something that can create a restriction, limitation, or barrier
Constraint
Data described with words
Qualitative
Most prototypes will
Go through constant revisions
Soda
Steps of scientific method in order
observation/question, research, hypothesis, experiment, analysis, conclusions, repeat
To break down information
Analysis
Data described with numbers
Quantitative
Always do this with results
Communicate results
A student wants to play a music playlist to see how long it takes Uncle Joe to remain calm before he cracks and breaks out into a dance. What is the dependent variable?
Time
Steps of engineering design process in order
identify the problem, research, brainstorm solutions, build a prototype, test the prototype, communicate results, redesign/revise