Aquaponics System, Engages students in ecology, biology, earth systems, math, history and literature while pairing fish and plants in one integrated system, With Removable lock down plant tray cover, Aquarium cover, Plastic net pots and grow medium, Filter sponge, Pump
Single student or group, Learn about the effects of mercury poisoning on the brain, Model the flow of toxins and energy through an ecosystem's food chains and food webs, Develop the concept of biological magnification for environmental toxins.
Double Cone & Plane, Defy Gravity As Cone Appears To Roll Upward. This Visual Demonstrator Of The Center Of Gravity Has A Wooden Frame With Diverging Rails And A Double-Ended Cone. The Cone Appears To Roll Up Actually The Center Of Mass Is Moving Down.
Pendulum on Stand, Length: 7.1in, Width: 2.4in, Height: 44.1in, Heavy metal stand with a meter scale mounted on a vertical rod can hold 2.5 cm bobs of wood, iron and steel suspended from a common hanger, A meter scale and a sliding index with projecting piece is provided.
Intro to Engineering, welcomes young children to the field of engineering with 25 experiments and building projects in five sections, Dimensions: 14.6 x 11.5 x3.1in, Start by learning some engineering basics with experiments on levers, forces, and pulleys
laryngo handle, Satin handles with a knurled finish for a positive grip, Available in traditional C, AA, and stubby (AA), Batteries not included, Fully compatible with all major brands of laryngoscopes conforming to ASTM F965 or ISO 7376
Probability Resource Kit, includes: 4 different types of spinners, 4 different types of dices, two-sided probability discs, assorted discs, and sticks for many probability activities in mathematics
Best-of-Ruediger-Skeleton, It combines all the benefits of our Super-Duper-Skeleton with additional muscles of face, jaw, masticatory and laryngeal region as well as superficial, deep and deeper muscles of the neck, comes with a flexible spine, spinal cord
Inclined Plane Steel - Long Form, Made Of Heavy-Gauge Steel For Durability, Fits A 12 mm Rod, All Corners Are Rounded For Saftey, Use For Science Education Equipment, This Green Inclined Plane Is 48in Long & Straight As An Arrow, Heavy Steel With Rounded Corners
Replacement Sand, set is a refill of the sand included with the Tectonics model. Set includes one pound each of beige, black, blue, orange and yellow sand
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