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One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
What is the definition of energy?
Energy from natural resources that naturally replenish in a short time is:
Which rule states energy cannot be created or destroyed?
What energy form is stored in food and used by human muscles?
How long do non-renewable fossil fuels take to form underground?
Coal was formed millions of years ago from ancient:
Crude oil (petroleum) originated mainly from deep-sea:
Which non-renewable fuel is trapped in rock pockets above oil deposits?
Nuclear power releases energy by splitting atoms of which element?
How do Photovoltaic (PV) solar cells generate electricity?
What causes the wind that spins wind turbines?
Hydroelectric power plants harness energy from:
Where does geothermal energy come from?
Which renewable energy source comes from wood, crop waste, and trash?
Plants store solar energy for biomass through which process?
Inside a generator, electricity is produced when wire coils move near:
In a thermal power plant, what turns the turbine blades?
Why is no energy system 100% efficient?
What device uses blades turned by fluid or gas to drive a generator?
Meeting current energy needs without damaging the future is called:
Energy can be created when you turn on a light switch.
Solar, wind, and hydro are examples of renewable energy sources.
Humans consume fossil fuels much faster than Earth creates them.
Burning coal produces zero carbon dioxide emissions.
A single pellet of Uranium produces as much energy as one ton of coal.
Nuclear energy releases power by burning fossil fuels.
Wind energy produces greenhouse gases during its operation.
Geothermal energy is available 24/7 regardless of weather conditions.
Biomass is considered a non-renewable energy source.
Hydroelectric dams can release water quickly when power demand spikes.
In a generator, magnets spin inside copper coils to move electrons.
Natural gas burns cleaner than coal, but methane leaks can cause heating.
Energy transformation is changing energy from one form to another.
Solar thermal panels convert sunlight directly into direct current electricity.
Renewable energy systems have low fuel costs because wind and sun are free.
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Gr3 Science- Unit 2 Review
20 questions
