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Subject: Chemistry

Science activity measuring density of a liquid
Eyedropper Hydrometer

Construct a simple hydrometer to compare the densities of solutions.

Science activity that infuses vegetables with a tasty brine—instantly—using a syringe
Flash Pickling

Take the pressure off pickling.

Science activity that demonstrates how clouds form
Fog Chamber

Create clouds in a bottle by rapidly expanding the air.

Science activity that demonstrates the kinetic behavior of gas
Gas Model

A fun way to visualize gas molecules in constant motion.

Science activity that explores the properties of gases and the anatomy of an egg
Gassy Eggs

Eggsplore gas properties while making a snack.

Science activity that demonstrates how geysers work
Geyser

Just spew it—build your own cyclic hot water fountain.

Globos de hielo

Crea y examina un globo de hielo.

Science activity that demonstrates luminescence and flourescence
Glow Up

Different kinds of light can be used to study life.

Science activity that demonstrates charge in a battery
Hand Battery

Use your skin and different metals to create a battery.

Science activity that shows the effect of temperature on pressure
Hand-Held Heat Engine

Make the liquid in this toy rise and fall in a cycle.

Science activity that uses electricity to break water into its elemental components
Having a Gas with Water

Use electricity to break water into its elemental components.

Science activity that demonstrates static electricity
Holding Charge

Use static electricity to stick a straw almost anywhere.

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Attribution: Exploratorium Teacher Institute