Graduate Essay Writers
Only the most qualified writers are selected to be a part of our research and editorial team, with each possessing specialized knowledge in specific subjects and a background in academic writing.
Get Similar Asssignment Answers & Custom Paper Writing Services
To hire a writer, fill the order form with details from your nursing assessment task brief.
Posted: June 15th, 2022
Ashford University SCI 207 — 207 – Lab 4 â Energy Sources and Alternative Energy
Lab 4 â Energy Sources and Alternative Energy
Experiment 1: The Effects of Coal Mining
Table 1:
pH of Water Samples
Water
Sample
Initial
pH
Final pH
(after 48 hours)
Pyrite
5 pH
Activated
Carbon
5 pH
Water
5 pH
POST LAB QUESTIONS
1.
Develop
hypotheses predicting the effect of pyrite and coal (activated carbon) on the
acidity of water?
a.
Pyrite hypothesis =
b.
Coal (activated carbon)
hypothesis =
2.
Based
on the results of your experiment, would you reject or accept each hypothesis
that you produced in question 1? Explain
how you determined this.
a.
Pyrite hypothesis
accept/reject =
b.
Coal (activated carbon)
hypothesis accept/reject =
3.
Based
on your data, what effect do you predict coal mining has on the environment?
Answer =
4.
What
can be done to prevent mine drainage from damaging the ecosystem? Utilize at least one scholarly resource to
support your suggestions.
Answer =
Experiment 2: Solar Energy
Table 2: Solar
Energy Experiment Results
Environmental
Descriptor/Variable
Observations
(Each should
be compared against direct sunlight)
Weather
of the Day
Motor
speed in direct sunlight
Motor
speed at 45 degree angle
Motor
speed under reflectors
Motor
speed with 25% shaded
Motor
speed with 50% shaded
Motor
speed with 75% shaded
Motor
speed under red filtration
Motor
speed under blue filtration
Motor
speed under green filtration
Motor
speed under yellow filtration
Post-Lab Questions
1.
Develop
hypotheses predicting the efficiency of solar energy from direct sunlight
against the four variables tested?
Direct vs
indirect hypothesis =
Direct vs
reflected hypothesis =
Direct vs shaded
hypothesis =
Direct vs
filtered hypothesis =
2.
Based
on the results of your experiment, would you reject or accept each hypothesis
that you produced in question 1? Explain
how you determined this.
Direct
vs indirect accept/reject =
Direct
vs reflected accept/reject =
Direct
vs shaded accept/reject =
Direct
vs filtered accept/reject =
3.
Does
increased exposure to the sunâs light produce more current? Explain how you
know this based on your data.
Answer =
4.
How
could you increase the electricity generated by a solar cell during the day,
when the sunâs angle is constantly changing?
Answer =
5.
Based
on your data, could adding filters to solar panels increase the solar energy
produced? Explain how you know
this.
Answer =
References
Any sources
utilized should be listed here.
Why Seek Our Custom Writing Services
Every Student Wants Quality and That’s What We Deliver
Affordable Prices
Our prices strike the perfect balance between affordability and quality. We offer student-friendly rates that are competitive within the industry, without compromising on our high writing service standards.
100% Plagiarism-Free
No AI/chatgpt use. We write all our papers from scratch thus 0% similarity index. We scan every final draft before submitting it to a customer.
How it works
When you decide to place an order with Nursing Study Bay, here is what happens:
For Similar Answers, Custom Essay Writing & Assignment Help Services
Find an expert by filling an order form for your nursing paper. We write AI-plagiarism free essays and case study analysis. Anytime!