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  • Probability of Finding an Electron

    Book Chapter |

    In this activity, students will use a target to simulate the probability of finding an electron in a certain energy level.

  • Half-Life Simulation

    Book Chapter |

    In this activity, students will simulate the decay of radioactive isotopes by flipping papers and removing face-up papers.

  • Rutherford’s Gold Foil Simulation

    Book Chapter |

    In this activity, students will simulate Rutherford’s gold foil simulation by rolling a marble (alpha particle) at a series of target marbles (gold atoms

  • Mean Free Path Activity

    Book Chapter |

    In this activity, students will calculate the mean free path of a simulated gas sample.

  • Freezing Water

    Book Chapter |

    In this activity, students will see if the volume of an ice and water mixture goes up or down when the ice melts.

  • Surface Tension Lab

    Book Chapter |

    In this activity, students will count how many drops of water they can put on the face of a penny with and without dishwashing liquid in the water.

  • Density of Oil Lab

    Book Chapter |

    In this activity, students will estimate the density of cooking oil by comparing it to water

  • Chromatography Lab

    Book Chapter |

    In this activity, students will perform paper chromatography on different inks to find the source of the ink.

  • Density Column in a Straw

    Book Chapter |

    In this activity, students will make a series of liquid layers with different densities using nontoxic chemicals. This free activity includes the Teacher Pages and Student Pages for this activity and the Table of…

  • Building Your Balance

    Book Chapter |

    In this activity, students learn how to use a single-beam balance to determine the masses of objects. Students use the density of water to determine the mass needed to balance the objects.

  • Mechanoluminescence: Making Things Light Up

    Book Chapter |

    In this activity, students will see how applying a force to a Wint-O-Green Life Saver causes it to light up.

  • Intensive and Extensive Properties

    Book Chapter |

    In this activity, students will split colored water into different cups and observe the properties

  • Creating a Colloid

    Book Chapter |

    In this activity, students will create a substance that does not clearly fall into the categories of solid, liquid, gas, or plasma.

  • Average Atomic Mass Simulation

    Book Chapter |

    In this activity, students will use a large number of small objects to find the average mass of the objects.

  • Reaction Rate

    Book Chapter |

    In this activity, students will dissolve pieces of Alka-Seltzer tablets in water after crushing them and heating the water, and then time how long the reaction takes to complete.

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