Are You Dense?

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  • Density Sphere Experiment Kit

    Density Sphere Experiment Kit

    Discover and apply concepts of density and buoyancy.
    $11.95
    *Backordered: 1/24/2025
  • Surprising Science for Kids: Sink or Float? Adventures in Density

    Surprising Science for Kids: Sink or Float? Adventures in Density

    Perform seven hands-on, dynamic demonstrations related to density.
    $26.95
  • Jellyfish Cartesian Diver

    Jellyfish Cartesian Diver

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    Just squeeze the bottle to control the diver!
    $3.95
  • ZigZag Density Tumbler

    ZigZag Density Tumbler

    A hypnotizing display of surface tension, density, and insolubility.
    $7.95
  • Density Mystery Set

    Density Mystery Set

    A great lesson in scientific truth and trusting your own calculations!
    $49.95
    *Backordered: 1/24/2025
  • Diving Submarine

    Diving Submarine

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    Powered by baking powder, it dives and surfaces just like a real sub.
    $3.95
  • Super Dense Wood (135 g)

    Super Dense Wood (135 g)

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    With a density higher than that of water, this unusual wood sinks!
    $11.95
  • Pumice Samples

    Pumice Samples

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    Explore and observe the product of an actual volcano.
    $5.95–$39.95
  • Flowing Color Spectrum

    Flowing Color Spectrum

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    Great for sharpening those observational skills!
    $6.95
  • Steel Sphere Density Kit

    Steel Sphere Density Kit

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    Great for teaching the skills of observation and deduction!
    $29.95
  • Density Paradox (set of two)

    Density Paradox (set of two)

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    This is an awesome discrepant event for your most advanced density students!
    $14.95
  • Mixture Separation Challenge

    Mixture Separation Challenge

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    Students must develop a method for separating the plastic beads.
    $22.95
    *Backordered: 1/24/2025
  • Poly Density Kit

    Poly Density Kit

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    Spontaneous order from disorder! Isn't this a violation of The Second Law of Thermodynamics??
    $19.95
  • Cartesian Diversions Class Kit

    Cartesian Diversions Class Kit

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    Enough materials to make 60 divers like those seen in the Cartesian Diversions DVD.
    $32.95
  • Solar Tube

    Solar Tube

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    Watch as this 60' solar tube gently lifts into the air.
    $15.95