Are You Dense?

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  • 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
  • Are You Dense? Bundle

    Are You Dense? Bundle

    Density demos are always fascinating... and fun!
    $87.95
  • Jellyfish Cartesian Diver

    Jellyfish Cartesian Diver

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    Just squeeze the bottle to control the diver!
    $3.95
  • DIY Galileo Thermometer Kit

    DIY Galileo Thermometer Kit

    Discover the science behind temperature and density.
    $12.95
  • 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
  • Density Identification Set

    Density Identification Set

    Students try to identify each of 15 different samples by determining their density.
    $58.95
  • Soother Ooze Tubes

    Soother Ooze Tubes

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    Great viscosity demo for your science table.
    $6.95–$14.95
  • 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
  • Flowing Color Spectrum

    Flowing Color Spectrum

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

    Steel Sphere Density Kit

    Review star icon Review star icon Review star icon Review star icon Review star icon (15 reviews)
    Great for teaching the skills of observation and deduction!
    $29.95
  • Mixture Separation Challenge

    Mixture Separation Challenge

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    Students must develop a method for separating the plastic beads.
    $22.95
  • Poly Density Kit

    Poly Density Kit

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    Spontaneous order from disorder! Isn't this a violation of The Second Law??
    $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