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In this outdoor activity and observation game, learners hunt for a variety of textures, colors, odors and evidence of organisms in the activity site.

In this activity, learners make pykrete by freezing a mixture of water and a material like cotton wool, grass, hair, shredded paper, wood chips, or sawdust.

Lakes, streams and other freshwater bodies are a habitat for lots of living things, big and small.

Some aquatic organisms live in open water, while some live in soil at the bottom of a body of water.

Millions of organisms can live in and around a body of water.

In this two-part outdoor activity, learners conduct a population census of squirting clams on a beach or mudflat, and investigate the clams' natural history.

How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?

In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.

In this outdoor, beach activity, learners use tennis balls, water balloons and other simple devices to investigate the movement of waves and currents off a sandy beach.

This fun and simple hands-on astronomy activity demonstrates the shadow of the Earth as it rises as a dark blue shadow above the eastern horizon.

Learners will explore the concept of angular distance, and investigate why the moon appears to be the same size as the sun during a solar eclipse, despite the sun being much larger.

In this activity, learners use tonic water to detect ultraviolet (UV) light from the Sun and explore the concept of fluorescence.

In this activity, young learners will make their own flower seed nursery in an egg carton.

In this activity, learners will make their own prism and use a glass of water to separate sunlight into different colors.

In this activity, learners will take a step back and learn the history of the land they live on, and the people who used to live on it.

In this activity, learners make their own solar oven to bake s'mores and learn about how solar energy is absorbed on Earth.

Glare from the sun and ripples from the wind can make it hard to see what's below the surface of a body of water.

In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.