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In this activity, learners discover that they can modify a regular piece of paper so that it's large enough for them to walk through!

In this math lesson, learners explore polynomial and rational function patterns.

In this game, learners build up six stacks of cards in the middle of the table, face up, in order from 1 at the bottom to 20 on the top. The first player to get rid of all his cards is the winner.

In this activity (18th on the page), learners conduct an experiment to examine memory.

In this activity, learners use their understanding of probability to guess which color will be drawn from a bag.

In this math lesson, learners analyze the density of liquids in order to explore linear functions.

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

In this activity (on page 134 of the PDF), learners explore reaction time.

In this math lesson, learners identify, describe, and construct the five regular polyhedra.

In this math activity, learners play a game similar to 20 Questions, in which learners must identify a secret number drawn from a bag.

In this quick activity (page 1 of the PDF under SciGirls Activity: Tug O' War), learners will test how many pennies a flat paper index card bridging the gap between two stacks of books is able to supp

In this activity, learners will build the highest tower they can out of recycled materials.

In this activity, learners interpret three trackways and use measurements and a formula to infer the relative speed of dinosaurs.

Esta actividad enseña la proporción y razón por hacer que los aprendices hagan "ensaladas" que combinan tres tipos de frijoles en tres combinaciones diferentes.

In this math lesson, learners explore transformations and quadratic functions through toothpick patterns.

In this activity, learners are introduced to tree rings by examining a cross section of a tree, also known as a “tree cookie.” They discover how tree age can be determined by studying the rings and ho

In this activity, learners investigate passive solar building design with a focus solely on heating.

This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

In this math lesson, learners model exponential decay and exponential growth using M&M's, paper folding, and African rhino population data.

This activity helps learners learn about math through a real-world scenario. Three friends are baking cookies for their school’s bake sale.