"water+bath"
Specific Gravity Precision Hydrometer
Precision hydrometer features 0.0005 divisions, 325 mm length, and metal ballast.
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Innovating Science® Underwater Fireworks - The Reaction of Acetylene and Chlorine
Create fireworks by conducting a chemical reaction underwater.
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Disappearing Rainbow Demonstration
Demonstrate the concepts of Indicators and Acids and Bases!
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Milwaukee® Basic Waterproof TDS Testers
These durable TDS testers feature a replaceable electrode and are ideal for student use in the classroom and field environments.
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Aquatic Macroinvertebrate Life Cycle and Habitat Flashcards
Help students understand the life cycle and habitats of freshwater aquatic macroinvertebrates with this set of colorful flashcards.
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Eisco Glass Reagent Bottles with Hexagonal Stoppers
For holding chemicals in liquid or powder form.
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Wind Up Tape Measure
This flexible tape measure comes conveniently in a wind-up roll for easy use.
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Archimedes’ Block Model
Your Students Will Shout Eureka When They Use this Simple Apparatus.
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Environmental Chemistry: Acid Rain, Weathering, and Erosion
Demonstrates the Effects of Acid Rain
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Plastic Coverslips
More Durable than Traditional Glass Coverslips for Younger Students
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InstaPulse® Heart Rate Monitor
Instant Readings Give The First Readout After Four Heartbeats
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APES Lab #5: Bioassays, LC50, and Monitoring Environmental Toxins
Hands-on, standards-based lab kit that helps students investigate toxins and contaminates from human-made and natural sources.
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Milwaukee® Basic Waterproof pH Testers
These durable pH testers feature a replaceable electrode and are ideal for student use in the classroom and field environments.