Science

1 1/2 gal. Domed Cover w/ Dial Ventilator (10 1/2" x 7" x 3 1/4") Unit of Sale : Each

1 1/2 gal. Flex Cover (10 1/2" x 7") Unit of Sale : Each

Great for creating terrariums, small aquariums, or as a "critter" cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs...

Great for creating terrariums, small aquariums, or as a "critter" cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs...

Great for creating terrariums, small aquariums, or as a "critter" cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs...

Unique features include flexible, shatterproof material, and no-drip cover. Exclusive design forces condensation to remain in the tank. Unit of Sale : Each

Great for creating terrariums, small aquariums, or as a "critter" cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs...

Great for creating terrariums, small aquariums, or as a "critter" cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs...

Unique features include flexible, shatterproof material, and no-drip cover. Exclusive design forces condensation to remain in the tank. Unit of Sale : Each

Great for creating terrariums, small aquariums, or as a "critter" cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs...

Great for creating terrariums, small aquariums, or as a "critter" cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs...

Designed for the student to build compact three-dimensional organic compounds. The kit gives you three different types of bonds to choose from: 35 aliphatic bonds (3.8 cm long), 35 C-H bonds (2.5 cm long), 15 aromatic bonds (2.9 cm long, for constructing...

This advanced slide set offers 100 prepared slides generally used for AP Biology and College level courses. Each glass slide is 1" x 3" (25 x 76mm) depicting a clear and accurate specimen. Perpendicular slots with numerical indication and a listing of...

Nickel-plated brass burner tube 11 mm diameter with rotatable non-removable air regulator. On stable cast iron base, baked hammertone finish, with serrated gas inlet tube 9 mm outer diameter. Unit of Sale : Each

High-quality, American-made burner with nickel-plated, die-cast zinc bases. Burner feature aluminum mixing tube and 5/16" serrated gas inlet connection. 7/16"(11mm) Mixing Tube OD, 0.55 CFH, 1,342 BTU Output, 5-3/8" (137mm) Overall Height. CFHs and BTU...

Nickel-plated brass tube 12 mm diameter with a non-removable screw type air regulator also provided with a threaded needle valve flame intensity regulator, with brass 9 mm diameter serrated gas inlet tube. On stable heavy cast-iron base, baked hammertone...

Nickel-plated brass tube 12 mm diameter with a non-removable screw type air regulator also provided with a threaded needle valve flame intensity regulator, with brass 9 mm diameter serrated gas inlet tube. On stable heavy cast-iron base, baked hammertone...

Nickel-plated brass burner tube 13 mm diameter with rotatable non-removable air regulator, on stable cast iron base, baked hammertone finish, with serrated gas inlet tube. Unit of Sale : Each

Nickel-plated brass burner tube 13 mm diameter with rotatable non-removable air regulator, on stable cast iron base, baked hammertone finish, with serrated gas inlet tube. Unit of Sale : Each

Nickel-plated brass burner tube 13 mm diameter with rotatable non-removable air regulator, on stable cast iron base, baked hammertone finish, with serrated gas inlet tube and threaded needle valve to regulate the intensity of the flame. Unit of Sale :...

Nickel-plated brass burner tube 13 mm diameter with rotatable non-removable air regulator, on stable cast iron base, baked hammertone finish, with serrated gas inlet tube and threaded needle valve to regulate the intensity of the flame. Unit of Sale :...

Set of 15 Spectroscope Kit w/ Study Guide (15234) Unit of Sale : Set

Cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2". For rods up to 1/2" diameter. Unit of Sale : Each

2,6-Dichloroindophenol Sodium salt (indophenol), reagent - 1g Unit of Sale : Each

For high temperature work. Nickel-plated brass tube with rotatable non-removable air regulator. Perforated metal burner head 25 mm diameter produces an evenly aerated flame of uniform intensity. On heavy stable cast-iron base, baked hammertone finish,...

For high temperature work. Nickel-plated brass tube with rotatable non-removable air regulator. Perforated metal burner head 25 mm diameter produces an evenly aerated flame of uniform intensity. On heavy stable cast-iron base, baked hammertone finish,...

Can be wall mounted or used on table top. Mounting bracket included. Strong PP construction. 27 detachable drying racks, 5" (125mm) L x 0.35" (9mm) dia. 6 rows of pegs, staggered from the upper row. Built-in molded draining tray 15.5" (400mm) x 3" ...

Heavy stock horseshoe magnet with keeper. Unit of Sale : Each

Cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2". For rods up to 1/2" diameter. Unit of Sale : Each

Zinc plated steel for rods up to 1/2" diameter Unit of Sale : Each

Standard flashlight sized bulb with threaded base. Unit of Sale : Set

Everything you need to build 300 exciting electronic projects including: a transistor radio, IC organ, Burglar alarm, delayed timer, electronic game, optical volume, multiplier, multiple counter, digital light dimmer tone burst generator, audio signal...

Unmounted, high-quality silvered glass. Focal length 150 mm. Unit of Sale : Each

Unmounted, high-quality silvered glass. Focal length 150 mm. Unit of Sale : Each

Unmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. Plano convex 3. Concave/convex 4. Double concave 5. Plano concave 6. Convex/concave. Unit of Sale : Set

Heavy stock horseshoe magnet with keeper. Unit of Sale : Each

Cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2". For rods up to 1/2" diameter. Unit of Sale : Each

Zinc plated steel for rods up to 1/2" diameter Unit of Sale : Each

Tinned iron. Ceramic. Turned edges. Unit of Sale : Each

The XP-581 is our most popular power supply. It is ideally suited for laboratories, classrooms, and hobbyist use. It features 3 fixed DC voltages: +5 V @ 3A, +12V @ 1A, -12V @ 1A and variable DC voltage: 2.5V-20V @ 2A. Housed in a rugged steel case, it...

Heavy stock horseshoe magnet with keeper. Unit of Sale : Each

Zinc plated steel for rods up to 1/2" diameter Unit of Sale : Each

Tinned iron. Ceramic. Turned edges. Unit of Sale : Each

5-Amino-2,3-dihydro-1, 4-phthalazinedione (luminol) -1g Unit of Sale : Each

Unmounted, high-quality silvered glass. Focal length 150 mm. Unit of Sale : Each

Unmounted, high-quality silvered glass. Focal length 150 mm. Unit of Sale : Each

Unmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. Plano convex 3. Concave/convex 4. Double concave 5. Plano concave 6. Convex/concave. Unit of Sale : Set

Set contains twenty each of 1 g and 5 g, ten 10 g, four 20 g, two 100 g, and one each of 500 g and 1000 g weights. Stackable, color-coded weights come in a plastic storage box. Ages 8-13 Unit of Sale : Set

Consists of 1 each of the following: Earthworm, Crayfish, Clam, Starfish, Perch, and Grass Frog. Medium sized, vacuum packed specimens. Unit of Sale : Set

6 Volt battery Unit of Sale : Each

The reflector telescope uses a curved mirror to gather and focus light. This telescope has an aperture of 150mm (6") and a focal length of 750mm. Included are 3 Plossol eyepieces - 6.5mm, 10mm, 25mm and 2x Barlow lens. Magnification power is 30x, 75x and...

Consists of 1 each of the following: Earthworm, Crayfish, Clam, Grasshopper, Starfish, Perch, Grass Frog. Medium sized, vacuum packed specimens. Unit of Sale : Set

Unmounted, high-quality silvered glass. Focal length 150 mm. Unit of Sale : Each

Unmounted, high-quality silvered glass. Focal length 150 mm. Unit of Sale : Each

Unmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. Plano convex 3. Concave/convex 4. Double concave 5. Plano concave 6. Convex/concave. Unit of Sale : Set

Set consists of 1 each of the following: Scypha (Grantia), Earthworm, Grasshopper (Lubber), Crayfish, Clam, Starfish, Perch, Grass Frog. Medium sized, vacuum packed specimens. Unit of Sale : Set

The 8" reflector telescope has an aperture of 203mm (8") and a focal length of 800mm. Includes 3 Plossol eyepieces and a 2x Barlow lens. Magnification power is 32x, 80x and 123x (the magnification is doubled when the Barlow lens is used). Comes with an...

Blood typing has always been and important biology exercise introducing a variety of key areas including immunology. Mainly genetics, blood banking, and forensics. Concern over Aids along with a general trend away from invasive" laboratory work has, for...

This unique hand generator is an easy yet effective way to teach how AC and DC electricity is produced. Banana plugs can be inserted into the different connectors to change from AC to DC electricity. The unit has a clear base for easy demonstration of...

Battery charger with microcontroller for reliable protection from overcharge. Very short recharging time, max 2 hours. High-powered NiMH Accu Pack with short circuit protection, 8.4V/1500 mAH. 120V~/60Hz. Ideal for powering mobile fischertechnik models...

25 mm diameter Unit of Sale : Each

This burette has a clear acrylic body and leak proof stopcock with a self lubricating PTFE plug. Each burette is individually calibrated for maximum accuracy. Acrylic body is resistant to dilute mineral acids and bases except Hydrofluoric Acid and...

This burette has a clear acrylic body and leak proof stopcock with a self lubricating PTFE plug. Each burette is individually calibrated for maximum accuracy. Acrylic body is resistant to dilute mineral acids and bases except Hydrofluoric Acid and...

This burette has a clear acrylic body and leak proof stopcock with a self lubricating PTFE plug. Each burette is individually calibrated for maximum accuracy. Acrylic body is resistant to dilute mineral acids and bases except Hydrofluoric Acid and...

25 mm diameter x 25 mm height. Unit of Sale : Each

Capacity: 2610 Grams Sensitivity: 0.1 Grams Calibrations: Front Beam - 10g x 0.1g, Center Beam - 500g x 100g, Rear Beam - 100g x 10g Adam's Triple Beam is today's best value for teaching mass measurement concepts from a brand scientists worldwide have...

Capacity: 2610 Grams Sensitivity: 0.1 Grams Calibrations: Front Beam - 10g x 0.1g, Center Beam - 500g x 100g, Rear Beam - 100g x 10g Adam's Triple Beam is today's best value for teaching mass measurement concepts from a brand scientists worldwide have...

Capacity: 610 Grams Sensitivity: 0.1 Grams Calibrations: Front Beam - 10g x 0.1g, Center Beam - 500g x 100g, Rear Beam - 100g x 10g Adam's Triple Beam is today's best value for teaching mass measurement concepts from a brand scientists worldwide have...

Optional accessory for ST-600 series microscopes Unit of Sale : Each

For controlling flow through flexible tubing. Nickel-plated brass. Jaw opening 1/2" to 3/4". Unit of Sale : Each

Contains all the materials with 14384 Basic Glassware Kit plus: 1 burette w/ stopcock (25ml), 1 6" dropping pipet, 6 Barnes bottles (1 1/2 oz), 3 Barnes droppers, 2 Barnes bent droppers, 2 French square bottles (8 oz), 2 dropping bottles with pipets, 1...

Includes: scalpel with replaceable blade, 4 1/2" scissors, 4 1/2" scissors fine point, 4 1/2" forceps, 4 1/2" fine point forceps, mall probe, straight teasing needle, curved teasing needle, dropping pipet, clear plastic ruler, soft vinyl case, 12 loop...

This comprehensive collection of 30 fossils contains demonstration specimens of animal phyla and plants from the Paleozoic, Mesozoic, and Cenozoic periods. The collection comes complete with a descriptive key sheet and geologic time chart. Grades 6-12...

This kit can be highly motivational to students for regular class or independent study. Both teacher and student guides are professionally produced and include easy-to-follow directions. Illustrations identify skulls of common prey species and charts are...

This kit covers all the basics of slidemaking along with the more involved process of staining specimens. Specimens, all stains, and necessary chemicals, mounting medium, slides, coverslips, labels, droppers, magnifier, concave slides, vials, forceps,...

Eye Piece - 10X WF DIN Objective - 4X, 10X, 20X Magnification - 40X, 100X, 200X Illumination - Prism-Optic Standard Features: 3.5" round stage (MS5) rotates 360º for convenience of adjusting specimens. Rack and pinion focusing with a slip clutch...

Eye Piece - 10X WF DIN Objective - 4X, 10X, 20X Magnification - 40X, 100X, 200X Illumination - LED Cordless Standard Features: 3.5" round stage (MS5) rotates 360º for convenience of adjusting specimens. Rack and pinion focusing with a slip clutch...

Eye Piece - 10X WF DIN Objective - 4X, 10X, 40XR Magnification - 40X, 100X, 400X. Illumination - Prism-Optic Standard. Features: 3.5_x001D_ round stage (MS5) rotates 360º for convenience of adjusting specimens. Rack and pinion focusing with a slip clutch...

Eye Piece - 10X WF DIN Objective - 4X, 10X, 40XR Magnification - 40X, 100X, 400X Illumination - LED Cordless Standard Features: 3.5" round stage (MS5) rotates 360º for convenience of adjusting specimens. Rack and pinion focusing with a slip clutch...

Non-nutrient Unit of Sale : Each