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In this lab exercise, learners explore diffusion, cell membranes and particle size using beets and three alcohols.

In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.

In this simulation, learners model two elephant seal populations and how they change over time. Learners start with cards representing a variety of seals.

Learners will build a lung model to understand how their lungs and diaphragm work to make them breathe.

This activity is about collecting and analyzing DNA as part of a criminal investigation.

In this activity, learners play a game that models what happens as stem cells differentiate into different cell types.

The beautiful iridescent colors of a bubble in a can! With this Exploratorium Science Snack, create beautiful soap films on the open end of a can to see beautiful rainbows of color.

In this activity, learners will review the functions of basic digestive organs, understand how diet affects digestion, understand how digestive tracks may differ, and then step outside to compare the

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

In this activity about olfaction (9th activity on the page), learners smell 10 different items with different odors, including some edible food items.

This lesson plan revolves around studying the speciation of the Galápagos mockingbirds, which are on display at the California Academy of Sciences.

Audio Boggle is an activity that lets you listen to a track (that you make yourself) and see what you can hear!

Learners use a variety of beans to represent a variety of species, and scatter these beans over a large piece of paper representing the environment.

By making models of light waves with paper, learners can understand why different colors appear in bubbles.

This guide outlines how to plant a garden even if you don't have a yard!

This laboratory exercise is designed to show learners how DNA can be extracted from a chunk of thymus (sweetbread) or liver.

Bones are stiff, which helps us lift heavy things and walk around, but they are also somewhat flexible, which lets them bend slightly.

In this activity, learners use food scraps from the kitchen to grow new vegetables.

Learners create a model of a wetland to observe how it absorbs and filters water from the environment.

In this activity, learners will build a design and build a place for pollinators to drink from.