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In this math lesson, learners use slices of bread and geoboards to explore several ways to divide a rectangle in half. Learners also identify equivalent fractions that represent one-half.

In this activity, learners investigate the touch sensory system and discover how to plan and carry out their own experiments.

In this math lesson, learners compare products to determine the best product.

In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.

In this activity, learners investigate color vision as well as plan and conduct their own experiments.