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Learners will follow a specific process to make their own paper using scrap paper, newspaper, or junk mail.

In this activity, learners explore different ways to stack cups to meet a personal goal.

In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.

In this chemistry activity, learners use common chemicals to produce carbon dioxide and observe its properties. This resource includes brief questions for learners to answer after the experiment.

Some bugs can walk on the surface of a lake, stream, river, pond or ocean.

Learners explore the field of civil engineering by making a bridge using spaghetti as their primary building material.

In this game (on pages 14-21), learners explore how each human being inherits genetic traits such as eye color.

In this activity, learners make optical fibers out of strips of gelatin.

Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

In this activity, learners examine nanoscale structures of common things.

In this activity, learners will engineer a water irrigation system. Learners will create a ditch irrigation system -- or an acequia-- to move water with the help of gravity.

Learners observe and discuss a vacuum cleaner as a model of a baghouse, a device used in cleaning industrial air pollution.

In this environmental science activity (page 4 of the PDF), learners use vinegar and chalk to observe the effect of acid rain on various building materials and plant life.

Learners participate in a variety of activities modeling different disabilities.

In this activity, learners compare different types of salt crystals under a magnifying glass.

This activity about cryptographic techniques illustrates how to accomplish a simple, but nevertheless seemingly impossible task—making a fair, random choice by flipping a coin between two people who d

In this activity, learners will explore how product barcodes are scanned accurately and be able to "guess" the last number in a 13 digit barcode correctly every time.

In this activity about the circulatory system and space travel (on page 38 of the PDF), learners use water balloons to simulate the effects of gravity and microgravity on fluid distribution in the bod

In this activity on page 6 of the PDF, learners use glue instead of glass to create artwork that can be hung in a window.

Using recycled materials, learners will design a transportation vehicle to carry an egg in an egg toss (a rudimentary model of a shock absorbent transport vessel).