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Future-Ready

Renewable Energy

The sun, the wind, falling water, and the Earth's heat are sources nature keeps replenishing — so we can make clean electricity from them again and again, even though how much arrives changes with the weather and the hour.
🌍Four Sources That Keep Refilling
☀️SOLAR
A solar panel turns sunlight straight into electricity — no spinning, no smoke. The power keeps arriving as long as the sun shines — but a panel makes nothing at night and much less under thick cloud.
🌬️WIND
Moving wind pushes the giant blades of a wind turbine, spinning them round to make electricity.
💧HYDRO
Falling water at a dam shoves against a turbine's blades. The rushing flow spins the turbine to make power.
🌋GEOTHERMAL
hot rock
Drilling deep reaches the Earth's natural heat. Steam rises up and spins a turbine — heat left over from the planet's formation plus radioactive decay in the rock. Nothing is burning down there.
⚙️The Spinning Secret: Turbine → Generator
🌬️ wind 💧 water ♨️ steam TURBINE a wheel of blades that spins spinning shaft N S GENERATOR magnets spin past wire coils ⚡ electricity!
🔦 It's just like a hand-crank flashlight!
Spin the handle = spin the turbine
Inside, magnets sweep past wire = the generator
Spin harder and you get more electricity — up to the limit of that generator and bulb. ⚡
🔄The Old Way vs. The Clean Way

🛢️ Fossil Fuels

  • ⛏️Coal (ancient swamp plants) plus oil & gas (ancient sea life) — dug from deep underground.
  • ⏳Non-renewable: there's a limited amount, and nature can't replace it for millions of years.
  • 💨Burning them pollutes the air and releases gases that warm the climate.

🌿 Renewables

  • ♾️Supply is not used up — nature keeps refilling the sun, wind, water & Earth's heat, though how much arrives varies.
  • 🫧Nothing is burned while they run, so the air stays clean.
  • 🌎Far fewer heat-trapping gases (very low, not zero, over the whole life of the equipment), so they protect the climate.
🔑Key Terms
♻️Renewable Energy Energy from sources nature refills — sun, wind, water & Earth's heat — so the supply is never used up.
🛢️Fossil Fuels Coal formed from ancient swamp plants; oil & gas from tiny sea life. The supply is fixed and burning them pollutes the air.
☀️Solar Panel A flat device of special cells that turns sunlight directly into electricity.
🌬️Wind Turbine A tall machine with giant blades that spin in the wind to make electricity.
💧Hydropower Electricity made from the force of moving or falling water, often at a dam.
🌋Geothermal Energy Heat from deep inside the Earth — residual and radioactive, not burning. Deep wells can make power; shallow ground-source heat pumps only move heat.
⚙️Generator A machine that turns spinning motion into electricity using magnets and coils of wire.
⭐ Remember: wind, water & geothermal all make power the same way — by spinning a turbine that turns a generator — while solar panels make electricity straight from light. And because nature keeps refilling them, renewables do not use up their fuel — though the weather still decides how much you get today.
✏️ ClickClass Anchor Chart · Future-Ready · Renewable Energy Foundations
From ClickClass — hundreds of free printables at clickclassedu.com/printables