Units of Study Energizing Everything *How can a car run without gas? *What makes a roller coaster go so fast? *Why is the first hill of a roller coaster always the highest? *Could you knock down a building using only dominoes? *Can you build a chain reaction machine? *What if there were no electricity? Human Machine *Why do your biceps bulge? *What do people who are blind see? *How can some animals see in the dark? *How does your brain control your body? Waves of Sound *How far can a whisper travel? *What would happen if you screamed in outer space? *Why are some sounds high and some sounds low? The Birth of Rocks *Could a volcano pop up in your backyard? *Why do some volcanoes explode? *Will a mountain last forever? How could you survive a landslide?
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