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In this introductory activity, learners discover that sugar and food coloring dissolve in water but neither dissolves in oil.

This activity focuses on interactions within Earth systems and the effects of human activities. In this activity learners build a biomass pyramid.

Choose a recipe to double (or triple, quadruple, or halve). Show everyone the recipe and engage them in figuring out: How much will we need to increase the recipe to feed everyone?

In this activity, learners develop their understanding of combinations as they create as many different kinds of tostadas as possible.

This is a quick activity that shows how large amounts of rock and sediment are added to the edge of continents during subduction.

It's difficult to see convection currents in any liquid that's undergoing a temperature change, but in this Exploratorium Science Snack, you can see the currents with the help of food coloring.

In the kitchen, learners can perform their own density investigation.

In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.

Do grapes, yes the grapes from the grocery store, move in the presence of a very strong magnet?

In this hands-on activity, learners explore static electricity through the use of common household products. They also explore the connection between static electricity and cold weather.

In this activity, learners thread gumdrops together to make a model of a polymer.

In this physics activity, learners will investigate the strength of egg shells.

In this simple exploratory activity (1st activity on the page), blindfolded learners try to identify mystery items by smell.

In this yummy chemistry activity which requires adult supervision, learners use sugar and water to explore how crystals form.

In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

In this activity, learners make their own rock candy. Crystals will grow from a piece of string hanging in a cup of sugar water. The edible crystals may take up to a week to form.

In this activity, learners explore how their sense of smell affects their taste buds. Learners taste different flavored jelly beans while holding their nose.

Your tongue can sense about 6 different flavors (salty, sweet, bitter, sour, umami/savory, and fat), but your nose provides a lot more "taste" information than you realize when you eat.

In this activity, learners explore fractions as they help gators share pies.

No glue is needed for learners of any age to become marshmallow architects or engineers.