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The surfer in this photo is dwarfed by the immense wave he’s riding, yet he’s managing to use the incredible energy
of the wave for a thrilling ride. Ocean waves like this one carry a huge amount of energy. Do you know what
energy is? Can you identify other forms of energy besides ocean waves? In this unit, you’ll learn a lot about energy,
including how it makes modern life possible—even if you never ride a surfboard!