1 categories show all

Free Publications

3M® Petrifilm™ Aerobic Count Plates
3M® Petrifilm™ Yeast and Mold Count Plates
Aluminum and Copper
An Erlenmeyer Flask Lawn Ornament
Anesthetizing Drosophila
AP Chemistry Chemical Equations Worksheet
Balloon Rocket Blast Off
Becoming DNA
Biohazard Disposal Bags
Blue + Blue = ?
Bouncing with Momentum
Build a Mini Hovercraft
Build the Simplest Electric Motor
Build the Simplest Electric Motor
Bunsen Burner
Celt
Citrus Battery Contest
Classic Module Content Preview
Classifying Chemical Reactions
Classifying Chemical Reactions—Double Replacement
Classifying Chemical Reactions—Synthesis
Classroom Plants Care Guide
Cloud Chambers
CO2 Solubility Demonstration
Cobalt Catalyst and the Activated Complex
Cobalt Complex Ions
Codon Bingo
Color and Light
Color Change Challenge
Color the Curriculum Green Greening the School Science Lab
Colorful Candy
Colorful Copper Compounds
Colorful Copper Compounds
Colorful Heat
Colorful Heat
Colorful Iron Complexes
Colorful Magic
Colorful Oxidation
Colorful Stalactites and Stalagmites
Colorimetry
Colour and Light
Combustion of Acetylene
Combustion of Hydrogen
Common Ion Effect
Common Ion Effect Revisited
Comparing Vitamin C Content in Fruit Juices
Conductivity of a Solid
Conservation of Mass
Construction of a Simple Gas-Delivery Apparatus
Construction of Gas Volume Cubes
Contact Lens Demonstration
Cool Light
Cool Reaction
Cooling Gases
Corrosion of Iron
Counting Bonds in a Cool Reaction
Cow Eye Demonstration
Cow Eye Demonstration
Cow Magnet
Cow Magnet Learning Cycle
Crush the Can Demonstration
Crystal Garden
Culturing Algae
Culturing Amoeba
Culturing and Maintaining Fungi
Culturing Brine Shrimp Eggs
Culturing Chilomonas
Culturing Crickets
Culturing Daphnia
Culturing Euglena
Culturing Frog Eggs and Tadpoles
Culturing Hydra
Culturing Mealworms
Culturing Painted Lady Caterpillars
Culturing Paramecia and Other Ciliates
Culturing Peridinium and Other Dinoflagellates
Culturing Planaria
Culturing Praying Mantises
Culturing Rotifers
Culturing Slime Mold
Culturing Snails
Culturing Vinegar Eels
Culturing Worms
Day in the Dark Demonstrations with Jamie Benigna
De-Inking Paper for Recycling
Decoding Genetics
Decoding Genetics
Decomposition of Baking Soda
Demonstrating Seismic Waves
Demonstrating Waves
Density Bottles
Density Challenge
Density of Gases
Determination of Copper in Brass
Determination of Iron in Water
Determination of Keq for FeSCN2+
Determining a Molar Volume
Determining the Molar Volume of a Gas
Determining the Stoichiometry of Chemical Reactions
Diffusion Blues in Agar Cells
Diffusion in Agar Cells
Diffusion of Food Coloring in “Motionless” Water
Diffusion of Gases
Diffusion Using Dialysis Tubing
Digestive Enzymes Demo
Dilution Effect on Solubility
Dinner with Democritus
Disappearing Ink
Disappearing Ink
Disappearing Rainbow
Discovering Equilibrium
Discovering the Speed of Sound in Air
Discrepant Balloons
Dissolvo®
Dithizone Paper
Ditto Rockets
Diving Eggs
Diving Eggs
DNA Isolation
DNA Mutation Consequences
DNA, Lambda Phage, Lyophilized Powder
Do Animals Give Off CO2?
Does “Salt Sense” Make Sense?
Double Replacement Reaction
Dragon Breath in a Dust Can
Drinking Bird
Drosophila Genetics Simulation
Drosophila melanogaster Care Guide
Dry Ice Color Show
Dry Ice Color Show
Dry Ice Demonstrations
Dry Ice Rainbow of Colors
Duckweed Culture Guide
Dust Blaster
Dyeing for Electrophoresis
Dyes and Chemical Bonding
Dyes and Dyeing
Dynamic Duo
Earthquakes and Resonance
Easter Bunny Meets the Vacuum Pump
Eastern Newt Care Guide
Effect of Concentration on the Conductivity of Solutions
Effect of Temperature on Gene Expression
Egg Float
Egg Geodes
Egg Sucker
Egg to Chick Care Guide
Electrified Flying Objects
Electrochemical Clock
Electrochemistry Buzzer
Electrolysis of Potassium Iodide
Electrolysis of Water in Living Color
Electronegativity
Electronegativity Demonstration Device
Elements, Compounds and Mixtures
Elephant Toothpaste
Emerging Line
Energetic Light
Energy in Photons
Energy Toys
Enzyme Activity Guided Inquiry Lab Turnip Peroxidase
Equilibrium Arrow
Equilibrium Demonstrations—The Good, the Bad and the Ugly
Equilibrium in a Syringe
Equilibrium Water Games
Ethanol Explosion
Evaporation and Intermolecular Attractions
Everyone Scream for Ice Cream
Excited States
Experimental Design with Pill Bugs
Exploding Hydrogen Bubbles in Your Hands
Extreme Whoosh Bottle Trio
Fall Foliage
Fantastic Fluorescing Chlorophyll
Fantastic Fluorescing Chlorophyll
Fantastic Four Color Oscillator
Fantastic Four-Color Oscillator
Fantastic Four-Color Oscillator
Fiber Findings
Fiber Optics Light
Fiber Optics Strand
Fiber Optics Strand
Field Activities
Finding the Density of Air
Fire Extinguisher Safety in the School Laboratory
Fire Safety Basics
Fire Safety Inspection
Fire-Bellied Toad Care Guide
Flame Test Demonstration
Flame Tests for Unknowns
Flame Tornado and Water Jug Race
Flame-Retardant Balloon
Flame-Retardant Balloon
Flameless Ration Heaters
Flaming Fingernails
Flaming Vapor Ramp
Flammable Ice
Flammable Vapor Demonstration
Flash Paper
Flask and Tubing Observation Activity
Flinking—Neither Floating nor Sinking
Flinn C-Spectra™
Flinn Slide Gel
Floating Clip
Fluorescence
Fluorescence of Tonic Water
Fluorescent Dyes
Fluorescent Slime
Foiled Again
Foiled Again—Aluminum Loses to Copper
Following Laboratory Procedure
Food Dye Chromatography
Forensic Glow-Blood System
Formalternate
Fortune Teller Fish
Fortune Teller Fish
Fountain of Light
Free Fall in a Vacuum
Freezing by Boiling
Freezing by Boiling
Freezing Point Depression
Fruit Floats
Fuel Cell Football
Fuel Cells in Eggshells
Gas Laws
Gaseous Diffusion and Effusion
Gee Whiz Effusion of Gas
Genetically Engineering Cleaner Clothes?
Genie in a Bottle
Germ Transmission
Germination and Moisture
Getting a Bang Out of Chemistry
Ghost Crystals
Giant Alcohol Cannon
Giant Bubble Wand
Giant Soap Bubbles
Glass Solubility Demonstration
Glow Light
Glowing Fingers
Glue Slime
Goggle Safety
Gram Stain Determination
Gramolpak® Mixing Instructions
Gramolpak® Mixing Instructions
Gramolpak® Mixing Instructions
Grandma Button’s Molasses Cookies
Graphite Disk Demonstration
Graphite Disk Demonstration
Grass Frog Care Guide
Grease Fire
Grease—It’s Not Just a Musical!
Great Glaciers
Green Thumb
Greenhouse Effect
Gummy Bear Wave Machine
Gummy Worm Polymer
Gun Cotton
Gyroscope Bicycle Wheel
Hand Blasters
Hand Boiler
Hand-Held Thermit Reaction
Heat Convection Demonstration
Heat of Fusion of Ice
Heat of Vaporization of Water
Heat Treatment of Metals
Heat Treatment of Steel
Heat versus Temperature
Heigh-Ho Silver!
Heisenberg Uncertainty Principle Simulation
Heisenberg Uncertainty Principle Simulation
Help from MOM
Help from MOM
Heredity and Environment
Hermit Crab Care Guide
Hero’s Fountain
Hexaflexagon
Hindenburg Day
Holey Socks!
Hot and Cold Equilibrium
Hot Dog Clock
Hot Plate and Magnetic Stirrer Instruction Manual, 4 x 4
Hot Potato
Hot Wax
How Airplanes Stay Aloft
How Big Is a Mole?
How Big or Far Is It?
How Big? How Tall?
How Cool Is That?
How Does a Clock Reaction Work?
How Fuses Work
How Fuses Work
How Tall Is That Tree?
How to Generate Ammonia Gas
How to Make a Germination Bottle
How to Prepare a Catalase Solution
How to Thread Goggle Straps
How to Use a Thiele-Dennis Tube
HS Biology I Overview, Science2Go
HS Biology I Overview, Science2Go
HS Biology II Overview, Science2Go
HS Chemistry I Overview, Science2Go
HS Chemistry II Overview, Science2Go
HS Environmental Science Overview, Science2Go
HS Physics Overview, Science2Go
Human Epidermal Cells
Hydraulic Elevator
Hydraulic Elevator
Hydrogen Bubbles
Hydrogen Peroxide Analysis
Hydrolysis of Salts
Ice Melting Blocks
Ice on a Wire
Identify the Element Contest
Immersion Oils
IMSA Fusion Web Flyer
Indicator Sponge
Indicator Sponge
Indicator Sponge
Indigo Carmine
Infused Media
Inhibition of Hydrogen Peroxide
Inhibition of Hydrogen Peroxide
Instant Carnations
Instant Crystals
Instant Hot Air Balloon
Instant Light
Instant Light Crystals
Instant Smog
Instant, Instant Coffee
Intermolecular Forces Magic Trick
Introduction to Electrophoresis
Investigating Energy Flow in an Ecosystem
Investigating Heart Rate
Iodine Clock Challenge
Iodine Clock Challenge
Iodine Clock Challenge
Iodine Clock Challenge Demonstration
Iodine Fingerprint
Iodized Salt
Ion-Exchange Resins
Iron Filings
Iron in Cereal
Iron in Dollar Bills
Is There Sodium in Bananas?
Isolating DNA from Fruits
Isolating DNA from Fruits
Isolation of Bacterial DNA — A Biological Polymer
Isopod Care Guide
It Doesn’t Look Hot!
It’s a Mellow-Yellow Reaction
It’s Elementary—March Madness
Kaleidoscoptical Activity
Karyotyping Cancer Cells
Keep Your Eye on the Ions
Kinetic Energy Demonstration
Knock Your Socks Off
Knop’s Solution
Kool Chromatography
Laboratory Safety Challenge
Lactose Intolerance
Land versus Water
Landfills Problem Activity
Large pH Tube
Lasting Impressions—Counting Stomata
Latex Rubber Balls
Lazer Dazer®
LD50
Le Chatelier’s Principle and the Solubility of Carbon Dioxide
Leaf Patterns
Light Energy Demonstration
Lightstick Kinetics
Limewater and Carbon Dioxide
Liquid Air
Live Wire
Living vs. Non-Living
Lota Bowl
Lumbriculus variegatus
Magic Genie
Magic Genie
Magic of Teaching
Magic® Garden
Magnesium and Dry Ice
Magnesium Metal Ribbon
Magnetic Linear Accelerator
Magnetic Metals
Magnetic Slime
Magnetic “Hydrojet”
Make a DNA Model
Make a Triple Point Apparatus
Make Your Own Radial Chromatogram
Making an Instant Cold Pack
Making Homemade Glue
Making Ink—An Ancient Process
Making Mitosis Slides
Making Prussian Blue Paint
Mapping Atomic Structure
Marbling Paper with Oil Paints
Marshmallow in a Vacuum
Marshmallow Man Meets the Vacuum Pump
Mass Spectrometry
Mass versus Density
Mass vs. Density
Measurement Challenge
Measuring by Laser Diffraction
Measuring Catalase Action with Sensors
Measuring Cell Potentials
Measuring g, Exploring Free Fall
Measuring the Length of an Oleic Acid Molecule
Measuring Your Blind Spot
Mechanical Weathering
Mechanoreceptors
Melting Bottle
Mercury and Mercury Spills
Methane Bubbles
Methane Mamba
Methyl Alcohol Flame Tests
Methyl Alcohol Safety
Methylene Blue
Micro Rocket Lab
Microscale Electrolysis
Microscale Electroplating Lab
Microscale Titration of Vinegar
Milk of Magnesia Demonstration
Mini-Geyser
Mini-Mini Heater
Mirror Glass
Mixing Colored Light
Model Carbonate Blood Buffer
Modeling Movement
Models to Illustrate Ionic and Metallic Solids
Molal Freezing Point Depression Constants
Molar Display
Molar Mass of Butane
Molar Mass of Butane
Molarity versus Molality
Mole Lab
Mole Samples and Molar Mass
Molecular Volume
Moles in Space
MOM and pH
Mousetrap Cars
MS Life Science Overview, Science2Go
MS Physical Science Overview, Science2Go
Multi-Use for MOM
Mystery Fire Message
Mystery Light Block
Mystery Nylon Factory
Mystery Nylon Factory
Mystery Solutions Lab
Mystery Solutions Match-up
Mystic Sand
Nails for Breakfast?
Natural Indicators
Needle in a Balloon
Neutralization Reaction of an Antacid
Newton’s Color Wheels
NFPA Sign and Chemical Hazard Codes
Nonadditivity of Volumes
Now You See It—Now You Don’t
Nuclear Fission Chain Reaction
Nuclear Fission Chain Reaction
Observing Mitosis in Plant Cells
Observing Mitosis in Plant Cells
Ocean Water Properties
Ocean Water Properties
Oh, the Memories!
Oil Spill Cleanup
Old Foamey
On the Level
Oozing Pumpkin Head
Opening Day Signs for Chemistry
Orange Juice and Strawberry Float
Orange Juice Clock
Orange Juice to Strawberry Float
Orbital Chart Overhead
Ornament-Making
Ostwald Oxidation of Ammonia
Over Easy
Overhead Equilibrium
Overhead Precipitation
Oxidation of Acetone by Bleach
Oxidation States of Manganese
Ozone Test Paper
Pancreatin Solution
Paraffin Paradox
Paramagnetic Transition Metal Ions
Parent Open House Demonstration
Pectinase Ate My Fruit
Penney’s Quick Silent Demos
Periodic Activity of Metals
Permeability of Yeast Cells
Petri Dish Electrolysis
pH and Protein Solubility
pH Calibration Kit
pH Properties of Buffer Solutions
pH Rainbow Tube
pH Rainbow Tube
pH Rainbow Tube
Phenolphthalein Is Pink in Base
Pheromones and Termite Behavior
Pheromones and Termite Behaviour
Phosphorescence with LED Micro Lights
Phosphorescent Flash Paint
Phosphorescent Paper
Phosphorescent Vinyl Sheet
Photographing Spectra
Photonic Phosphorescence
Photosynthesis Study Technique
Pie Demo
Pie in the Face
Pink and Blue—A Colorful Chemical Balancing Act
Pink Catalyst
Pink Panther Breath—Macroscale
Pink Panther Breath—Microscale
Plant vs. Animal Cell Compariset
Plasmolyzed Purple Onion
Playing with Words
Plenty Powerful Ping Pong Popper
Plotting Trends
Polar and Nonpolar Molecules
Pollen Growth
Poly-Ox with a Twist
PolySnow™
Polyspheres
Polyurethane Foam
Polyurethane Volcano
Polyvinyl Alcohol Activities
Polyvinyl Alcohol Prep and Activities
Potato Candle
Pouring and Siphoning a Gas
Practical Solutions to Reduce Teacher Liability
Practicing Aseptic Technique With Microbial Cultures
Precipitation of Aqueous Copper Compounds
Premium Module Content Preview
Preparation of Starch Solution
Preserve a Snowflake
Preserve a Snowflake
Pressure Differential Bottle
Pressure Differential Bottle
Pressure vs. Volume and Boyle’s Law
Prince Rupert’s Drops are Stronger than Steel
Pringles® Can Rocket
Pringles® Rocket
Pringsheim’s Soil-Water
Production of Sodium Carbonate Lab
Protein Digestion
Protozoa Exceed the Speed Limit!
Pseudoscience
PTC Genetics
PTC Genetics
PTV Made Simple with Liquid Nitrogen
Putt-Putt Steam Boat
Putting Ions in Their Hands
Putting the “Squeeze” on Apples
Putty Pole
PVA Rope
Quantitative Electrochemistry
Quick Freeze
Quick Freeze
Quiet! Seed Crystals Growing: A Crystal Growing Activity
Racquetball Kinetics
Radiometer
Rainbow Glasses
Rainbow in a Flask
Rainforest Biodiversity
Ralphie, The Drinking Bird
Rate of Reaction of Sodium Thiosulfate and Hydrochloric Acid
Rates of Diffusion
Reaching for the Sun?
Reaction in a Bag
Reaction in a Bag
Reaction Kinetics in Blue
Reaction of Iodine and Aluminum
Reactions of Alkali Metals
Reading Volumes
Red Cabbage Indicator
Red Cabbage Indicator
Red Licorice Decay
Red, White and Blue Density
Red, White, and Blue
Redox Analogies
Redox and the Goddess of Beauty
Redox on Filter Paper
Redox Reactions and Groundwater Remediation
Reducing Sugars Give Silver Mirrors
Reduction of an Ore
Refinishing Existing Epoxy Resin Lab Table Tops
Refrigerator Magnet Analogy for Scanning Probe Microscopy
Replaceable Stopcock Assembly Instructions
Resetting Flinn Electronic Balances
Resonance with Washers
Resonance with Washers
Resonating Rings
Resonating Rings
Respiration or Expiration, That is the Question
Respiration versus Photosynthesis
Rolling Race
Rolling Race
Rolling Spheres Down an Inclined Plane
Root Words
Ropes and Isotopes
Rubber Band Cannon
Rubber Bones
Ruby Red Colloidal Gold
Rutherford Scattering
Safe Swimming with Sodium
Safe Swimming with Sodium
Safety as a Duty
Safety Demonstrations
Salt with a Sparkle
Salt with a Sparkle
Salting Out—Density Bottle
Sampling Square Habitat Analysis
Saturated, Unsaturated and Supersaturated Solutions
Science and Art with Acids and Bases
SDS Challenge Inquiry Lab
SDS Inquiry Challenge
Sea Stars (Asteriidae)
Seed Viability Testing
Seeing out of the Corner of Your Eye
Seeing the Invisible
Self-Carving Pumpkin
Self-Carving Pumpkin
Self-Igniting Candle
Self-Starting Siphon Tube
Sending Chemicals Home—A No-No!
Separatory Sorcery
Seperation and Qualitative Determination of Cations and Anions
Sewer Lice
Sewer Lice
Shapes of Carbon Compounds
Shell Game
Shoot the Monkey Demonstration
Shoot the Monkey Demonstration
Should a Flammables Cabinet Be Ventilated?
Should Chemical Storage Cabinets Be Ventilated?
Silent Lecture
Silicone Super Ball
Silicone Superball Polymer
Silly Putty®
Silver Holiday Ornaments
Silver Mirror Class Prize
Silver Mirrors
Silver “One-Pot” Demonstration
Simple Block and Tackle Pulley Demonstration
Simple Distillation
Simple Electrolysis
Simple Electrolysis
Simple Iron Nail Motor
Simple Structures
Singing Tube Demonstration
Six-Way Galvanic Cell
Slinky®
Small-Scale Acid Rain Lab
Smartphone Spectroscopy
Smashing Thermit Reaction
Smashing Thermit Reaction
Smelly Balloons
Soap Film Demonstrations
Soap-Motor Boat
Soda Can Calorimeter
Soda Pop Shower
Sodium Alginate
Sodium Polyacrylate
Sodium Silicate Solution
Solid Nitrogen
Solubility of Ammonia
Solubility of Ammonia
Solubility of Carbon Dioxide
Solubility of Gases
Solubility Patterns
Solubility Patterns
Solubility Patterns in the Periodic Table
Song of the Ionic Compound
Sorting Out Solutions
Sound Pipe
Specific Heat
Spice: The Cinnamaldehyde Clock Reaction
Spirit of Lincoln
Splatter Test
Splatter Test
Spontaneous Assembly of Straws
Spontaneous Generation vs.Biogenesis
Spoons, Newspaper and Hydrogen Bonding
Spring Combinations
St. Patrick’s Day Demonstration
Stalactites and Stalagmites
Standing Wave Generator
Standing Wave Generator
Steam Distillation of Cinnamon
Steely Wools of Fire
Sterilization Guidelines
Stoichiometry and Solubility
Stoichiometry and Solubility
Stoichiometry Balloon Races
Stoichiometry in Combustion of Acetylene
Stop ’N Go Light in a Tornado
Straw Half-Life
Straw Pressure Popper
Stressed Membranes
Studying Disease Vectors—West Nile Virus
Studying Heart Rate
Studying Sound and Hearing
Styrofoam Peanuts and Acetone
Successful Collisions
Sucrose:The Carbon Soufflé
Sudsy Kinetics
Sudsy Kinetics
Sudsy Kinetics
Sudsy Structures
Sugar Content in Beverages
Sugar3 Catalyst
Sugar–Water Fiber Optics
Sulfuric Acid and Nylon
Super Duper Polymer
Super Duper Polymer Gel
Superheated Steam
Supersaturated Sodium Acetate Solution
Supersaturation Tower
Surface Tension Demonstration
Surface Tension Demonstration
Sweet 16 Cell Biology Tournament
Sweet 16 Chemical Formulas Tournament
Sweet 16 Chemistry Compound Tournament
Sweet 16 Chemistry Ion Tournament
Sweet 16 Chemistry of Gases Tournament
Sweet 16 Drosophila Tournament
Sweet 16 Mineral Identification Tournament
Sweet 16 Periodic Table Tournament
Sweet 16 Rock Identification Tournament
Swinging Electrons
Synthesis and Analysis of a Coordination Compound
Synthesis of Manganese(II) Chloride
Take as Directed
Target Density Lab
Target Gas Law Lab
Target Lab Discussion
Target Mole Lab
Target Stoichiometry Lab
Taste Test
Teaching Problem-Solving Skills
Teflon® Tape
Temperature Equilibrium Tubes
Tennis Ball Distillation
Test Tube Challenge
Testing the Waters
That Remarkable Kind of Action
That Remarkable Kind of Action!
Thawing Acid Rain
The Atom Dazer
The Bottomless Bottle Explosion
The Brown Cloud
The Can Ripper
The Can Ripper
The Candle Snuffer
The Chef
The Chef
The Chromatography Centrifuge
The Collapsing 1-Liter Bottle
The Collapsing Bottle
The Crystal Forest
The Disappearing Aluminum Can
The Disappearing Beaker
The Effect of Temperature on Gas Solubility
The Effervescent Oscillator
The Egg In and Out
The Enzymatic Hydrolysis of Sucrose
The Expanding Marshmallow
The Five Senses
The Floating Bowling Ball
The Floating Catalyst
The Floating Penny
The Floating Tin Sponge
The Floating Tin Sponge
The Foaming Pumpkin
The Foaming Pumpkin
The Forensic Examiner
The Funnel Chain
The Funnel Chain
The Great Peanut Problem
The Greenhouse Effect Analogy
The Hollow Penny
The Hot and Cold of It
The Hungry Dragon
The Hydrogen Peroxide Rainbow
The Jumping Flame
The Laboratory Safety Challenge
The Littlest Holiday Tree
The Littlest Holiday Tree
The Lynx Eats the Hare
The Lynx Eats the Hare
The Magic Air Bubble
The Mellow-Yellow Reaction
The Number Line
The pH Is Right Game
The Pink Catalyst
The Pluses and Minuses of Enthalpy, Entropy and Free Energy
The Potato Candle
The Power of Air—Human Shrink Wrap
The Preparation of Guar Gum Slime
The Rainbow Reaction
The Raw and the Cooked
The Reaction of Potassium Permanganate with Glycerin
The Red Plague
The Redox Rainbow
The Repetitive Exploding Flask
The Reversible Orange and Blue Reaction
The Roy G Biv Clock Reaction
The Silver Mirror
The Sodium Spectrum
The Sodium Spectrum
The Spinning Can
The Toxicity of Plants
The Two-Cent Colorful Demonstration
The Two-Potato Clock
The Vanishing Valentine
The Winkler Titration: Measurement of Dissolved Oxygen in Water
The World’s Smallest Christmas Tree
The World’s Smallest Christmas Tree
The Yellow and Blue Switcheroo
The “Rainbow Connection”
Theater Gels
There’s Space Between Molecules
Thermit
Thermodynamic Stretch
Thermometers and Their Use
Think Tube
Think Tube
Thionin—The Two-Faced Solution
Three Cheers for the Red, White, and Blue
Through Thick or Thin
Tie-Dyeing
Tin Man Electrolysis
Toothpick Biochemistry
Tornado Tube®
Total Acidity on a Small Scale
Translation and Transcription and Replication, Oh My!
Transpiration Demonstration
Transpiration Rate and Stomata
Turning Copper Pennies into “Silver” and “Gold!”
Twirling Toy Challenge
Two Heads Are Better Than One
Understanding LD50 Values
Underwater Fireworks
Up, Up and Away —Hot Air Balloon Activity
Ups and Downs of Grapes
Upset Tummy? MOM to the Rescue!
Urease: The Enzymatic Conversion of Urea
Using Litmus Paper to Test Acids and Bases
Using Litmus Paper to Test Acids and Bases
UV Blueprint Fabric Instructions
UV-Sensitive Paper
UV-Sensitive Paper
Van de Graaff Generator Safety
Vanishing Volume
Vanishing Volume
Vapor Pressure Equilibrium
Vapor Pressure of Water
Velcro Gloves and Ball Set
Velcro Gloves and Ball Set
Vermicomposting
Viral Infection!
Viscosity Race
Visualizing the Mole
Vitamin C Testing
Volumes Don’t Always Add Up
Waft It — Don’t Sniff It!
Water Marbles
Water to Grape Juice to Milk
Water, Sand and Popcorn
Wave Generator
Wax Vapor Combustion in a Test Tube
Wet Dry Ice
Wet Dry Ice Lab
What if It’s an Acid and a Base?
What Is 120/80?
What Is 120/80?
What Is Life? The Beating Oleic Acid Organism
What You Can’t See
What’s in That Tube?
What’s Significant About Reading Volumes?
Wheat Germ DNA Extraction
Where on Earth Is the Water?
Whoosh Bottle
Whoosh Bottle
Who’s Counting?
Why Copper Is Reddish in Color
Wind Erosion
Winter Wonderland
Wood Splints Flame Test
Wood Splints Flame Test
Wood Splints Flame Test
Writing in Blood-Red Iron
Xenopus laevis African Clawed Frog
Yellow–Blue Switcheroo
Zinc Pyrotechnics: An Exothermic Redox Eruption

Address	P.O. Box 219 Batavia, IL 60510
Phone	800-452-1261
Fax
Email	[email protected]