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In this web-based activity, learners try to figure out who in an online chat room has their matching puzzle piece.

Learners measure irregularly shaped bones using a variety of measurement methods and tools. Then, they measure again using standard conventions and metric tape measures.

In this lesson, learners will understand the concepts behind endangered and extinct animals and develop their own conservation plan to save three endangered species.

In this lesson, learners will practice graphing and statistically analyzing data.

This laboratory exercise is designed to show learners how DNA can easily be extracted from yeast using simple materials.

In this activity (on pages 20-23 of PDF), learners build a model of a power plant using simple materials.