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In this activity, learners explore how the shapes, sizes, and distances of land masses appear differently on two different models of Earth: an icosahedron and a flat map.

In this design challenge activity, learners use tubes of newspaper to make a table that’s at least eight inches tall and strong enough to hold a heavy book!

In this bilingual (English/Spanish) activity, learners create family trees by tracing the hands of their family members.

In this activity, learners explore the process of condensation.

In this activity, learners construct three quick and simple mechanisms to start building a pop-up book. Learners fold, cut, and glue paper to make a bird beak, parallelogram, and V-fold.

In this activity, learners investigate the concepts of relative size and distance by creating a basic model of the solar system.

No glue is needed for learners of any age to become marshmallow architects or engineers.

In this engineering activity, young learners investigate multi-level buildings.

Choose a recipe to double (or triple, quadruple, or halve). Show everyone the recipe and engage them in figuring out: How much will we need to increase the recipe to feed everyone?

Learners build at least two different spinners (tops) to investigate how mass distribution, size, and shape affect the length of time the spinner spins.

In this activity, learners identify the reproductive parts of plants and the animal (bee) structures involved in pollination.

Learners conduct four simple experiments to demonstrate the effects of air pressure.

In this puzzle, learners investigate the decisions involved in linking a network between houses in a muddy city.

In this activity (located on page 4 of PDF), learners gain insight into the actual size of dinosaurs and practice making estimations and measurements.

In this activity, learners use a pencil, magnets, and mat board to illustrate Newton's Second Law.

In this activity, learners investigate how wolves communicate with each other through different body postures.

In this activity, learners slide shapes to create unusual tiled patterns.

This activity lets learners participate in the process of reconstructing a phylogenetic tree and introduces them to several core bioinformatics concepts, particularly in relation to evolution.

In this math activity (Page 10 of the Play Ball! PDF), learners play a game of "football" and analyze the results of the game.

In this math activity, learners will create a scale diagram of their backyard or other outdoor area on graph paper.