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In this activity (12th on the page), learners investigate their ability to discriminate (see) different colors.

In this activity, learners are challenged to eat some candy as a cell would need to as well as to think about some of the problems that arise when a cell ingests food.

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 an understanding of cylinders and volume as they compare two sizes of popcorn buckets.

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

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.

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

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

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

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

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

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

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.

This is an activity about friction as well as kinetic and potential energy.

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

In this physics activity (page 14 of the PDF), learners gain a better understanding of how friction and mass affect objects by comparing the rotational inertia of raw and hard-boiled eggs.

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