Are You Dense?

  • list off, grid on  list on or off
  • Density Sphere Experiment Kit

    Density Sphere Experiment Kit

    Discover and apply concepts of density and buoyancy.
    $11.95
    *Backordered: 2/25/2025
  • 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

    Review star icon Review star icon Review star icon Review star icon Review star icon (2 reviews)
    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: 2/25/2025
  • Diving Submarine

    Diving Submarine

    Review star icon Review star icon Review star icon Review star icon Review star icon (12 reviews)
    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)

    Review star icon Review star icon Review star icon Review star icon Review star icon (1 review)
    With a density higher than that of water, this unusual wood sinks!
    $11.95
  • Pumice Samples

    Pumice Samples

    Review star icon Review star icon Review star icon Review star icon Review star icon (10 reviews)
    Explore and observe the product of an actual volcano.
    $5.95–$39.95
  • Flowing Color Spectrum

    Flowing Color Spectrum

    Review star icon Review star icon Review star icon Review star icon Review star icon (4 reviews)
    Great for sharpening those observational skills!
    $6.95
  • 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
  • Density Paradox (set of two)

    Density Paradox (set of two)

    Review star icon Review star icon Review star icon Review star icon Review star icon (1 review)
    This is an awesome discrepant event for your most advanced density students!
    $14.95
  • Mixture Separation Challenge

    Mixture Separation Challenge

    Review star icon Review star icon Review star icon Review star icon Review star icon (8 reviews)
    Students must develop a method for separating the plastic beads.
    $22.95
    *Backordered: 2/25/2025
  • Poly Density Kit

    Poly Density Kit

    Review star icon Review star icon Review star icon Review star icon Review star icon (30 reviews)
    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

    Review star icon Review star icon Review star icon Review star icon Review star icon (1 review)
    Enough materials to make 60 divers like those seen in the Cartesian Diversions DVD.
    $32.95
  • Solar Tube

    Solar Tube

    Review star icon Review star icon Review star icon Review star icon Review star icon (19 reviews)
    Watch as this 60' solar tube gently lifts into the air.
    $15.95