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In this activity, learners explore chemistry and the microbial world by making their own sourdough starter and bread at home using only flour and water.

In this laboratory activity, learners design an experiment to evaluate how environmental factors influence the growth of molds.

In this math lesson, learners participate in several activities where they apply measurement skills.

In this data collection activity about crabs, learners use data from the Virginia Institute of Marine Science (VIMS) trawl survey to determine the areas of the Chesapeake Bay that are being used by bl

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

In this hands-on nature activity, learners observe the emergence of leaves and flowers. Branches from trees and bushes are collected in the early spring, brought indoors, and placed in water.

In this activity, learners investigate the food, water, and space needs of common livestock animals.

In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.

In this math lesson (on Page 13), learners predict and simulate the likelihood of an event occurring.

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

In this math lesson, learners practice estimation and measurement skills as they move from station to station calculating length, volume, weight, and area.

In this activity, learners explore how the area of Arctic sea ice has changed over recent years. First, learners graph the area of Arctic sea ice over time from 1979 to 2007.

This experiment allows learners to experience a small scale "epidemic," demonstrating the ease with which disease organisms are spread, and enables learners to determine the originator of the "epidemi

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

In this activity related to climate change, learners create and explore topographical maps as a means of studying sea level rise.

In this 7-10 day investigation, learners develop an understanding of waves and tides and their motion through discussion, demonstration, and hands-on activities.

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.

In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.

In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

In this activity, learners are introduced to challenges of maintaining temperatures while living in space.