FINAL EXAM ESC1500 LAB LATEST UPDATE.
Coal accounts for 52% of electricity generated in the U.S. The average home uses 1,000 a month. It takes 2.25 lbs. of coal to make 1 kWh of electricity. How much coal is required to generate enough electricity for one single day in an average home? - CORRECT...
FINAL EXAM ESC1500 LAB LATEST
UPDATE.
Coal accounts for 52% of electricity generated in the U.S. The average home uses 1,000 a month. It takes
2.25 lbs. of coal to make 1 kWh of electricity. How much coal is required to generate enough electricity
for one single day in an average home? - CORRECT ANSWER (0.52*1,000*2.25*1)/30 days
What is the definition of Green Energy? - CORRECT ANSWER is renewable, cleaner for the environment,
example sources: wind, solar, hydro-electric
What are four ways to reduce your energy consumption? - CORRECT ANSWER a) turn off lights when
your not in the room
b) replace lightbulbs with LED
c) Air dry clothes
d) purchase energy star appliances
What are four groups of water pollutants? - CORRECT ANSWER Inorganic chemicals
Organic chemicals
Oxygen Demanding - Waste
Infectious Agents
What two human activities give way to habitat destruction? - CORRECT ANSWER Development and
Deforestation (logging)
What is the difference between eutrophication and cultural eutrophication? - CORRECT ANSWER
Eutrophication is a natural increase in plant nutrients, cultural eutrophication is an increase due to
anthropogenic activities
, List the steps of the Scientific Method and Describe 1 of them. - CORRECT ANSWER Observation
a. Using the senses to take note of an occurrence
b. This step should raise questions!
Hypothesis
c. A possible explanation to answer the questions
Experimentation
d. A test of the validity of the hypothesis
Generalizations
e. Examine that data for patterns or relationships
Conclusions
f. What does the data tell us about the hypothesis?
What is the reading on this graduated cylinder? - CORRECT ANSWER 36.6
Formula/Units of Density - CORRECT ANSWER D(g/ml)=m/v
Formula/Units of Volume - CORRECT ANSWER V(ml)=m/d
Formula/Units of Mass - CORRECT ANSWER M(g)=vxd
Luke Skywalker is making a new light saber to battle the Sith, but he is worried it may be too heavy for
him to wield. The volume is 18 ml and the Density is 100. What is the mass of his new light saber? -
CORRECT ANSWER M=18ml X 100g/ml=1,800g
The Oompa Loompas in Willy Wonka factor has an annual growth rate of -.13. What does this mean?
What are reasons that would have this value? - CORRECT ANSWER That means their population is on the
decline. Reasons could be poor nutrient . Low birth rates. Population died off for some reason
6. cinnabar island is home to many fire type Pokémon. Use the Chart below to calculate the Shannon
Index and the Hmax.
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