RAFT Idea Sheets are easy-to-use hands-on experience guides linked to core curriculum topics. Every Idea Sheet is cross-referenced to one or more of the curriculum subjects listed in the Content Standards. Use this Idea Sheets Search Tool to rapidly pinpoint activities that are perfectly suited to the grade level, subject area, and content standard you want to cover.

Idea Sheets are based on readily-available, low-cost materials such as cardboard tubes, bottle caps, old CD's, etc. Over 700 Idea Sheets are available at no cost on www.raft.net.

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  • RAFT Idea
    Drops on a Penny

    How many drops of water can you put on a penny before the water flows off? Make and test predictions to study the surprisingly strong surface tension of water.
    Subjects: Physical Science


  • RAFT Idea
    E Pluribus Unum

    Students will quickly learn Roman numerals and modern equivalents by playing this fast-paced dice game.
    Subjects: Math


  • RAFT Idea
    Earphone in a Lid

    Create a working earphone by combining cup lids, a magnet, and a coil of magnet wire. The activity can be done as a step-by-step assembly or as a Design Exploration. Attach to a sound source and hear music from of a couple of cup lids!
    Subjects: Physical Science


  • RAFT Idea
    Easy Piecy Decimals

    Picking a card, rolling a die, and tossing a coin are part of this fun activity for students to practice simple math operations, rounding, and estimating with decimals.
    Subjects: Math


  • RAFT Idea
      Egg Drop

    Students build a "vehicle" designed to prevent a dropped egg from breaking. In the process, they discover that combining simple materials with a little creative thinking and teamwork will reveal many ways to solve this intriguing challenge!
    Subjects: Physical Science

    Kits Available: San Jose 7, Redwood City 7


  • RAFT Idea
    Eight Cube Picture Puzzle

    This puzzle helps students learn visualization, geometry, problem solving and spatial thinking skills as they try to puzzle out the cubic patterns.
    Subjects: Physical Science, Math


  • RAFT Idea
    Electrifying

    An electrophorus is simply a metal surface with an insulating handle. The metal can be charged positively (+) or negatively (-) repeatedly through charging by induction!
    Subjects: Physical Science


  • RAFT Idea
      Electromagnetic Exploration

    Create your own electromagnet by briefly connecting a battery to a coil of magnet wire. Explore the interaction of magnetic fields by bring the coil near a ring magnet, flipping the magnet over, and bring the coil near a compass needle.
    Subjects: Physical Science


  • RAFT Idea
    Electrophorus - a Charge Carrier

    An electrophorus is simply a metal surface with an insulating handle. The metal can be charged positively (+) or negatively (-) repeatedly through charging by induction!
    Subjects: Physical Science


  • RAFT Idea
    Elemental Crazy Eights

    Play card games using unique pictures and impart a vivid and lasting impression on students through fun memory pegs (mnemonics) for the atomic number with corresponding chemical name and symbol for the elements in the periodic table.
    Subjects: Physical Science


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