Explain why the burning of fossil fuels is problematic
fossil fuels took 100s of millions of years to form but we are burning them in 100s of years, they produce CO2 which is causing the enhanced greenhouse effect
Oops!
Check
Okay!
Check
boom
Lose 50 points!
Oops!
star
Double points!
Okay!
rocket
Go to first place!
Okay!
baam
Lose 15 points!
Oops!
20
State two advantages of renewables for generating electricy
sustainable, clean
Oops!
Check
Okay!
Check
heart
Other team wins 25 points!
Oops!
shark
Other team loses 20 points!
Okay!
rocket
Go to first place!
Okay!
baam
Lose 15 points!
Oops!
15
Name two types of non-renewable energy resources
fossil fuels (coal, oil, gas) and nuclear (uranium fuel)
Oops!
Check
Okay!
Check
15
Why are fossil fuels problematic?
they cause environmental problems at every stage- from mining, to transportation to use
Oops!
Check
Okay!
Check
20
State three types of renewable energy that involve water
hydroelectric, wave, tidal energy, geothermal
Oops!
Check
Okay!
Check
20
Suggest why has the transition to renewables from fossil fuels been so slow? (give 2 reasons)
have used them for a long time, easy to use, infrastructure already in place, cheap!
Oops!
Check
Okay!
Check
15
Name two types of fuels that come from biomass
biofuels, wood, bioethanol (made from fermentation of corn)
Oops!
Check
Okay!
Check
20
Describe three disadvantages of hydroelectric dams
large dams are expensive to build, the best places to build dams tend to be far from where people live, destroys forests and wildlife habitat, forced migration
Oops!
Check
Okay!
Check
15
state two differences between the formation of coal and oil
coal is formed from plants in swampy areas, oil is formed from marine plants and animals
Oops!
Check
Okay!
Check
15
Describe how hydroelectric power is produced
fast-running water drives turbines which power generators that produce electricity
Oops!
Check
Okay!
Check
20
What physical conditions are necessary to build an hydroelectric power plant?
fast-flowing water, high rainfall (best if uniform throughout the year), a narrow, deep-sided valley suitable to building a dam, or a natural water store (lake)
Oops!
Check
Okay!
Check
15
State one reason fossil fuels are important
the are the main source of energy around the world, they are very energy dense fuels
Oops!
Check
Okay!
Check
monster
Reset all scores!
Oops!
star
Double points!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
20
How do solar panels work?
absorb sunlight and generate heat- this can be used to heat water or make electricity through photovoltaic cells
