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15
×
what is global warming
an increase in global temperatures caused by gases
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15
×
what happens to the boiling point as you go down the fractional distillation column?
increases
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monster
Reset all scores!
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magnet
Take 10 points!
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shark
Other team loses 20 points!
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lifesaver
Give 10 points!
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15
×
what do long hydrocarbons undergo to make them shorter?
cracking
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15
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how do we calculate moments
moments = force x distance
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15
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what is the equation to work out efficiency
energy efficiency = useful output / total input
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15
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what is the equation for acceleration
f = ma
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10
×
list the first 4 alkanes
methane, ethane, propane, butane
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15
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how can we investigate magnetic fields
iron filings or charging rod
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15
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what is efficiency
how much energy going into a system is used usefully or how little is wasted
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seesaw
Swap points!
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magnet
Take 20 points!
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shark
Other team loses 25 points!
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thief
Give points!
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15
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how are alkenes different from alkanes
alkenes have a double bond
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15
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what is eutrophication
minerals and nutrients have caused an algal bloom. plants cannot gain light so they die
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monster
Reset all scores!
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gold
Win 50 points!
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fairy
Take points!
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25
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thief
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15
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what is renewable energy
energy that comes from natural sources and can be replenished quicker
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15
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list three contact forces
buoyancy/normal force, tension, friction, applied, air resistance
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