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PH 313: ENERGY ALTERNATIVE OREGON STATE MIDTERM 1 (PHYSICS 313: ENERGY ALTERNATIVES-OREGON STATE UNIVERSITY SPRING TERM 2024. PROFESSOR RANDALL MILSTEIN) SCORED A+$12.99
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PH 313: ENERGY ALTERNATIVE OREGON STATE MIDTERM 1 (PHYSICS 313: ENERGY ALTERNATIVES-OREGON STATE UNIVERSITY SPRING TERM 2024. PROFESSOR RANDALL MILSTEIN) SCORED A+
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Course
PH 313: ENERGY ALTERNATIVE
Institution
PH 313: ENERGY ALTERNATIVE
PH 313: ENERGY ALTERNATIVE OREGON STATE MIDTERM 1 (PHYSICS 313: ENERGY ALTERNATIVES-OREGON STATE UNIVERSITY SPRING TERM 2024. PROFESSOR RANDALL MILSTEIN) SCORED A+
1. Earth's energy Energy flows and energy fuels. Energy flows are streams
endowment ap- of energy arriving at or near Earth's surface at a more or
pears in what two less steady rate, bringing energy whether it's needed at a
forms? location or not. Energy Fuels are energy stored in one form
or another-commonly as a chemical bond of molecules
or in atomic nuclei. Fuel energy usually remains stored
energy until a deliberate act liberates it for usage.
2. What is the most Solar energy is the most dominate energy flow, crossing
dominant energy 93 million miles from the sun to earth in 8 minutes and
flow? represents 99.98% of all energy arriving to Earth.
3. What is geother- A combination of primordial heat liberated in the gravita-
mal energy? tional accretion of matter forming Earth over 4 billion years
ago, energy imparted during the Late Great Bombardment
3.6 billion years ago, and ongoing decay of radioactive
elements, mostly uranium and thorium.
4. Other than ge- Tidal energy, coming from the moon's orbital motion and
othermal energy, Earth's rotation. Gravitational effects cause ocean waters
what is the only to move back and forth two times a day. Tidal energy is
other significant dissipated, eventually ending up as heat, as moving water
form of earth en- interacts with the shoreline, but only accounts for less than
ergy flow? 0.002% of energy flowing to Earth.
5. What defines Fossil fuels, nuclear fuels. The fluids cannot be replicated.
a non-renewable
energy source?
6. Methane lakes Titan
exist on what
moon of Saturn?
7. What is a bell-pit A small-scale coal extraction
mine, and what
was mined in
them?
8. What was the
most momen-
, PH 313: Energy Alternative Oregon State Midterm 1
tous change The current energy change is not being driven by conve-
in energy re- nience or by a new discovery, but by society. Driven by the
sources in the need to satisfy the ever-increasing demand for energy.
history of hu-
man energy con-
sumption?
9. 9. What famous London, because it was being shrouded in clouds of
city was referred smoke and sulfur, and full of stink and darkness, by 1661.
to as "the sub-
urbs of Hell"?
10. What was the big Forests had been overexploited, and the transport of wood
historical event over ever longer distances made it expensive, so the
that made coal mining industry grew and began supplying Londoners
an option for with coal by boat. At first only the poor burned coal, but
exploitation in wood shortages drove wealthier residents to adopt coal.
Great Britain? Technological innovation in fireplace designs led to a wider
adoption of coal.
11. Why were steam They were first invented to power water pumps. Canals
engines first in- were dug to transport coal to cities, both were fundamental
vented and ex- to the Industrial Revolution to come, which couldn't have
ploited? taken off without coal.
12. Whale oil is Whale oil comes from blubber and is composed mostly of
mostly com- whale triglycerides
posed of what?
13. What natural Gaslights made city streets safer and changed working
gas invention practices and leisure activities. The availability of lighting
messed up peo- and heating in the early 1800s
ple's sleep pat-
terns?
14. What is paraffin? Kerosene- A combustible hydrocarbon liquid which is de-
rived from petroleum. provided a cheaper alternative to
whale oil for lighting poorer homes and those in rural
areas.
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