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Subject: Chemistry

Science activity experimenting with a frozen water balloon
Ice Balloons

Create and examine an ice balloon.

Science activity demonstrating electrolysis of water
Indicating Electrolysis

Break water into hydrogen and oxygen with a simple device.

Science activity to investigate convection
Inverted Bottles

Watch the rise and fall of hot and cold fluids.

Science activity that demonstrates differences in density
Klutz-Proof Density Column

This density column always returns to its original three layers.

Science activity that models sea level rise.
Melting Ice and Rising Seas

Investigate sea level rise with this model of continents and oceans.

Science activity that demonstrates lactose digestion by lactase
Milk Makes Me Sick

Explore the basis of lactose intolerance.

Modelo de desintegración radiactiva

Sustituye monedas por radiación.

Science activity that uses de-shelled eggs to explore diffusion and osmosis in cells
Naked Egg

Watch de-shelled eggs swell and shrink in different fluids.

Science activity that models ocean acidification
Ocean Acidification in a Cup

A carbon dioxide–rich atmosphere changes the water beneath it.

Science activity that explores the relationship between volume, density, and pressure
Out of Sink

Make a reverse Cartesian diver.

Science activity that demonstrates the chemistry of a battery
Penny Battery

Light an LED with five cents.

Science activity that models how elements are organized in the periodic table
Periodic Pasta Table

Noodle around with elemental properties and how they’re organized.

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Attribution: Exploratorium Teacher Institute