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5
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According to the law of conservation of energy, what is the 1st energy conversion that takes place when fossil fuels are used to generate electricity?
stored chemical energy transforms into thermal energy
look directly into the sun
mechanical energy transforms into electrical energy
thermal energy transforms into mechanical energy
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thief
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10
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25
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shark
Other team loses 25 points!
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×
shark
Other team loses 15 points!
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thief
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5
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15
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25
5
×
Which of the following are needed to create fossil fuels?
cold, pressure, thousands of years
heat, pressure, millions of years
heat, pressure, hundreds of years
heat, volume, millions of years
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5
×
According to the law of conservation of energy, what is the 3rd energy conversion that takes place when fossil fuels are used to generate electricity?
thermal energy transforms into mechanical energy
stored chemical energy transforms into thermal energy
mechanical energy transforms into electrical energy
getting struck by lightning
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5
×
When does Newton's cradle have the most potential energy?
halfway in its upward swing
at rest
when it is initially pulled back
halfway in its downward swing
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5
×
How do solar thermal power plants generate electricity?
heliostats direct thermal energy to turn water into steam
PV cells absorb thermal energy and convert it to electrical
PV cells absorb light energy and convert it to electrical
heliostats direct light energy to turn water into steam
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5
×
How could electromagnetic induction be produced? (2 options)
by rotating either the metal wire or magnetic field together
with a changing magnetic field surrounded by plastic wires
with electricity being applied to a magnet
none of the above
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5
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Why is it important for battery technology to improve within the alternative energy field?
to make electricity needed for windmills and solar to work
to store energy for when energy availability is lacking
to clean the electricity from coal power plants
they'll explode if overused
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trap
No points!
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seesaw
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fairy
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25
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baam
Lose 5 points!
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5
×
Which Pokรฉmon has the most thermal energy?
Bulbasaur
Pikachu
Squirtle
Charmander
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5
×
How do solar panels generate electricity?
heliostats direct thermal energy to turn water into steam
PV cells absorb light energy and convert it to electrical
heliostats direct light energy to turn water into steam
PV cells absorb thermal energy and convert it to electrical
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lifesaver
Give 15 points!
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fairy
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15
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25
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gift
Win 10 points!
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lifesaver
Give 15 points!
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monster
Reset all scores!
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gift
Win 25 points!
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fairy
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15
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25
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banana
Go to last place!
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5
×
True or False: Energy conversions are always 100% efficient.
False
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5
×
What kind of resources are coal, water, and wood?
natural resources
renewable resources
non-renewable resources
man-made resources
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5
×
Which Pokรฉmon uses hydropower?
Squirtle
Pikachu
Bulbasaur
Charmander
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