Science Snacks: Chemistry | Exploratorium

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.

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

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

Make a reverse Cartesian diver.

Science activity that demonstrates the chemistry of a 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.

Science activity that visualizes convection cells

Pie-Pan Convection

Visualize the spectacular fluid motion of convection cells.

Science activity that explores how graphing can reveal patterns in data

Graphing can be a slippery slope to understanding.

Science acitivity that explores decomposition with worms

Productive Poop

Turn your kitchen trash into garden treasure.

Science activity that models radioactive decay

Radioactive-Decay Model

Substitute coins for radiation.