## The Science Olympiad: Proportions and Ratios"Have you ever entered a Science Olympiad and competed in events such as Astronomy Triathlon, BustaBridge, or Potato Battery? Follow Mr. Mead's students as they enter these and other projects into their regional Science Olympiad. While sharpening your scientific knowledge, you will also learn the mathematical concepts of proportions, ratios, and scaling. Additional math elements include metric units, scale factors, unit rates, and tape diagrams. Join the students in this year's competition and watch their projects come to life!" |

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### Contents

How Do They Compare? | 6 |

Smooth Scaling | 10 |

Currents and Explosions | 12 |

Rebound Ratios | 14 |

Bigger Than Real Life | 16 |

Math at Work | 17 |

Build It | 18 |

Modeling the JWST | 22 |

Black Box | 30 |

Connecting to History | 32 |

Main Events | 34 |

A Point of Light | 40 |

How Much Manganese? | 42 |

What Comes Next? | 45 |

Glossary | 46 |

Further ReadingAdditional Notes | 47 |

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