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In this activity, learners explore the different salinities of various sources of water by taste-testing.

In this activity, learners discover how bats use echolocation to get information about objects in their environment. During the activity, one learner whispers into a tube.

In this family or group inquiry activity, learners use their senses to explore a local forest or woodland.

In this activity, learners explore why the sky is blue. Learners model the scattering of light by the atmosphere, which creates the blue sky and red sunset, using a flashlight and clear glue sticks.

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

This activity introduces learners to Native Americans as people who depended upon nature in the past and continue to emphasize the importance of nature in the present.

In this activity, learners will explore the ways natural materials can produce sounds. Appropriate for any age, learners can make individual music or create a symphony with others.

In this activity, learners explore how and why rainbows form by creating rainbows in a variety of ways using simple materials. Learners create rainbows indoors and outdoors.

This activity is a sensory experience that recreates the sounds of a pond at night.

This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.

This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.

In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr.

This activity generates learner excitement about light through the creation of a room-sized rainbow.

This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.

In this activity, learners simulate whale echolocation. Learners experience echolocation by wearing blindfolds, while another learner makes snapping noises in front of, behind, or to the side of them.

This is an activity about discovering the colors and beauty of nature. Learners will spend time outdoors, matching paint chip samples, colored paper, or colors of clothing to those found in nature.

This activity is a fun way to show two stages in a Monarch butterfly's life cycle. Learners will create an optical illusion that can be flipped from caterpillar to butterfly.

Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

In this activity, learners create a "mini sky" in a glass of water in a dark room.

In this activity about sea otters, learners make their own "otter whiskers" and use them to find objects underwater.