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In this activity, young learners use their sense of touch rather than sight to identify a mystery object in a bag. Learners take turns acting as "peekers" and "sensers" throughout the game.

In this technology activity, learners explore digital imaging and pixels. Learners "transmit" an image to a partner by creating an image on grid paper.

In this math lesson, learners identify and compare unit costs of given items. Learners use computation skills, problem solving and number sense to find the cost of an ounce of cereal.

In this math lesson, learners make estimates to analyze the number of apples per acre, and visualize the magnitude of one million.

In this activity, learners investigate the sense of sight and develop and conduct their own experiments.

In this math lesson, learners count and compare amounts of money less than or equal to one dollar.

In this math game, learners try to earn the most points by winning stacks of four dice. Learners practice number recognition and addition skills.

In this math activity, learners play a number game to explore the relationships between numbers, combinations, and the concept of equivalency.

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 activity, learners use number sense and mental math strategies to estimate the price of a sign.

In this activity, learners use their imaginations and experiment with different materials to create bug hats.

In this math activity, learners estimate how many pennies are in a jar by predicting and counting handfuls of pennies.

This quick demonstration (on page 11 of PDF) allows learners to understand why scientists think water ice could remain frozen in always-dark craters at the poles of the Moon.

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

In this activity, learners investigate the history and development of agricultural biotechnology.

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 solidify their conceptualization of cells by building a model of a cell in a ziplock bag.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.