Chemistry

A vial appears to contain only water and a small string noose hanging down into it. When the string is lifted out, a large shiny crystal is found to be tied up in the noose. When the string is lowered back into the water, the crystal again becomes in...

A vial appears to contain only water and a small string noose hanging down into it. When the string is lifted out, a large shiny crystal is found to be tied up in the noose. When the string is lowered back into the water, the crystal again becomes in...

The superabsorbent polymer! Instantly absorbs more than 800 times its weight in water. Excellent activity to learn about polymer chemistry, osmotic pressure, or to just have fun using this “mystery” chemical. Non-toxic-but should not be handled by yo...

The superabsorbent polymer! Instantly absorbs more than 800 times its weight in water. Excellent activity to learn about polymer chemistry, osmotic pressure, or to just have fun using this “mystery” chemical. Non-toxic-but should not be handled by yo...

The superabsorbent polymer! Instantly absorbs more than 800 times its weight in water. Excellent activity to learn about polymer chemistry, osmotic pressure, or to just have fun using this “mystery” chemical. Non-toxic-but should not be handled by yo...

Place the fish in your palm and watch it curl up or even flip over. Have your students hypothesize about how it works and why. Is there a scientific basis to it-or can it really tell your fortune? Made of a hygroscopic polymer, the red cellophane 3 1...

Place this 4" creature in water. Water absorption will allow the creature to grow as much as six times larger. Superabsorbents are the materials demonstrated here. Learn more from the instructions provided.

Science teachers continually search for demonstrations that will capture their student's attention. Demonstrations should motivate students to seek scientific explanations for things that happen in their everyday world. Enviro-Bond™ 403 is a superabs...

Science teachers continually search for demonstrations that will capture their student's attention. Demonstrations should motivate students to seek scientific explanations for things that happen in their everyday world. Enviro-Bond™ 403 is a superabs...

When a small amount of a white powder is sprinkled into a liquid and water is added, it transforms into a thick, viscous gel. When poured back and forth between two beakers, the gel begins to take on a life of its own and literally defies gravity by ...

Wild, fun, and crazy. Get your kids excited. Get their attention by covering the room with Tricky Fun String. Material is harmless, yet fascinating. What is the material? Full instructions provided. Can size 3.5 ounces.

Everyone knows what Silly Putty® looks like and what it can do. But do you know what gives Silly Putty its unique characteristics? We will discuss Silly Putty's unique properties and even provide you with the complete recipe to make your own.

Try this amazing demonstration! Simply mix two viscous liquids together and watch as the mixture expands to about 30 times its original volume. Liquid "A" is a polyether polyol. Liquid "B" is a polyfunctional isocyanate. The resul...

Wow! A gravity-defying demonstration that will stop students in their tracks! A beaker is filled with a 50-foot long string of beads. With just a slight pull on one end of the chain, the beads will suddenly lift themselves out of and come tumbling ov...

One of the most entertaining and educational polymer experiments around is the making of “Slime.” Everyone loves to make slime! Below are the necessary ingredients to make two types of slime, guar gum or polyvinyl alcohol slime. Both types of slime u...

One of the most entertaining and educational polymer experiments around is the making of “Slime.” Everyone loves to make slime! Below are the necessary ingredients to make two types of slime, guar gum or polyvinyl alcohol slime. Both types of slime u...

One of the most entertaining and educational polymer experiments around is the making of “Slime.” Everyone loves to make slime! Below are the necessary ingredients to make two types of slime, guar gum or polyvinyl alcohol slime. Both types of slime u...

One of the most entertaining and educational polymer experiments around is the making of “Slime.” Everyone loves to make slime! Below are the necessary ingredients to make two types of slime, guar gum or polyvinyl alcohol slime. Both types of slime u...

One of the most entertaining and educational polymer experiments around is the making of “Slime.” Everyone loves to make slime! Below are the necessary ingredients to make two types of slime, guar gum or polyvinyl alcohol slime. Both types of slime u...

One of the most entertaining and educational polymer experiments around is the making of “Slime.” Everyone loves to make slime! Below are the necessary ingredients to make two types of slime, guar gum or polyvinyl alcohol slime. Both types of slime u...

One of the most entertaining and educational polymer experiments around is the making of “Slime.” Everyone loves to make slime! Below are the necessary ingredients to make two types of slime, guar gum or polyvinyl alcohol slime. Both types of slime u...

One of the most entertaining and educational polymer experiments around is the making of “Slime.” Everyone loves to make slime! Below are the necessary ingredients to make two types of slime, guar gum or polyvinyl alcohol slime. Both types of slime u...

One of the most entertaining and educational polymer experiments around is the making of “Slime.” Everyone loves to make slime! Below are the necessary ingredients to make two types of slime, guar gum or polyvinyl alcohol slime. Both types of slime u...

One of the most entertaining and educational polymer experiments around is the making of “Slime.” Everyone loves to make slime! Below are the necessary ingredients to make two types of slime, guar gum or polyvinyl alcohol slime. Both types of slime u...

One of the most entertaining and educational polymer experiments around is the making of “Slime.” Everyone loves to make slime! Below are the necessary ingredients to make two types of slime, guar gum or polyvinyl alcohol slime. Both types of slime u...

Two sealed pipets contain the materials, which, when mixed, form a polymer kids know as “slime.” Full instructions and enough materials to make one batch of polyvinyl alcohol slime are provided. Have a slimey good time with this one!

Slime, slime, and more slime-it stretches, it flows, it even picks up ink! With our new, economical kit, you'll have enough materials for each and every student in your class to make a batch of slime. Students will have fun as they perform observatio...

Storage: Organic #9Disposal: #26aShelf Life: IndefiniteSoluble: Water and alcohol.Color: Various as above.Odor: None

You've never seen sand like this! Mystic sand can form fun underwater towers, columns, and designs and then, when removed from the water, is found to be completely dry. Guaranteed hours of learning and fun. Instruction with use activities provided. B...

New printable shrink plastic is made with specially formulated coatings for use in all color ink-jet printers. Simply print your computer image on the sheet, follow the baking instructions, and the sheet will shrink to one-fourth its original size an...

One rubber ball will bounce very high; the other rubber ball will hit the ground and not bounce. They look the same, but they are different. Explore polymer chemistry with the Happy/Sad Balls. One Happy and one Sad Ball are included in each package.