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This outdoor activity/field trip requires a place where minnows swim, such as a local pond or brook.

In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.

Learners trace, cut out and fly a boomerang, outdoors or in a large indoor space.

Learners cut and fold a paper helicopter from the template in this PDF. They practice twirling the helicopter and observe what happens as they modify their tries.

In this math puzzle game, learners work together to use algebraic reasoning and fun clues for solving word puzzles.

In this outdoor activity and game, learners explore how animals adapt for survival through coloration, markings and camouflage.

These puzzles use four colors of socks in a drawer to get learners thinking algebraically.

In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

In this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure.

Using a milk-based recipe, learners create "moo glue" which is basically white school-type glue. The "secret ingredient" in milk that helps make glue is a chemical called casein.

Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.

In this outdoor activity, learners simulate an oil spill using popcorn (both oil and popcorn float on water), and estimate the spill's impact on the environment.

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

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 outdoor activity, learners design devices that will catch prey or gather plants.

In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.

This game teaches ratio and proportion by having learners make "salads" that combine three types of beans in different combinations.

In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.

In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.

In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).