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5
×
When does Newton's cradle have the most potential energy?
at rest
when it is initially pulled back
halfway in its upward swing
halfway in its downward swing
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5
×
How could electromagnetic induction be produced? (2 options)
with a changing magnetic field surrounded by plastic wires
none of the above
by rotating either the metal wire or magnetic field together
with electricity being applied to a magnet
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5
×
Which Pokรฉmon can harnesses solar power?
Pikachu
Squirtle
Charmander
Bulbasaur
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5
×
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
thermal energy transforms into mechanical energy
look directly into the sun
mechanical energy transforms into electrical energy
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thief
Give points!
5
10
15
20
25
×
magnet
Take 25 points!
Okay!
×
shark
Other team loses 5 points!
Okay!
×
thief
Give points!
5
10
15
20
25
5
×
True or False: Fossil fuels are made from the fossils of dinosaurs and prehistoric plants.
False
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seesaw
Swap points!
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×
shark
Other team loses 10 points!
Okay!
×
gift
Win 25 points!
Okay!
×
baam
Lose 5 points!
Oops!
×
lifesaver
Give 5 points!
Oops!
×
rocket
Go to first place!
Okay!
×
shark
Other team loses 15 points!
Okay!
×
baam
Lose 10 points!
Oops!
5
×
According to the law of conservation of energy, what is the 2nd energy conversion that takes place when fossil fuels are used to generate electricity?
mechanical energy transforms into electrical energy
thermal energy transforms into mechanical energy
touching fire with your bare hands
stored chemical energy transforms into thermal energy
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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
mechanical energy transforms into electrical energy
stored chemical energy transforms into thermal energy
getting struck by lightning
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5
×
What is the difference in electricity generation between solar panels and power plants like wind, coal, and nuclear?
Coal, wind, and nuclear are cleaner than solar.
Solar is non-renewable, while coal, wind, and nuclear are.
Solar panels produce more harmful radiation than the others.
Solar panels don't use electromagnetic induction.
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5
×
Why do most power plants use turbines to generate electricity?
to put heliostats in position to generate more electricity
to create excessive amounts of static electricity
to stoke the coal fire needed to generate electricity
to make the mechanical motion for electromagnetic induction
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5
×
Why don't bouncy balls return to their starting height when dropped without an applied force?
friction converts kinetic energy into thermal energy
the inertia is greater than the starting potential energy
gravity becomes stronger near the ground
it should, but doesn't because gravity is acting on the ball
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5
×
Which Pokรฉmon has the most electrical energy?
Charmander
Bulbasaur
Pikachu
Squirtle
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5
×
Which Pokรฉmon has the most thermal energy?
Pikachu
Charmander
Bulbasaur
Squirtle
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5
×
Why is it important for battery technology to improve within the alternative energy field?
they'll explode if overused
to make electricity needed for windmills and solar to work
to clean the electricity from coal power plants
to store energy for when energy availability is lacking
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