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Many people get water from a source deep underground, called groundwater.

In this outdoor activity/field trip, learners catch and observe water striders to explore their movement and feeding behaviors.

Where rainwater goes after the rain stops? And why there are rivers and lakes in some parts of the land but not in others?

In this outdoor activity/field trip, learners locate and study plants and animals in several freshwater pond habitats.

In this biology activity (page 3 of the PDF), learners will explore how plants turn sunlight into food through a process called photosynthesis.

In this outdoor, freshwater activity, learners explore the behavior and food preferences of crawdads (or crabs) by "fishing" for them with various baits.

In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.

In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.