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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 activity learners create patterns of hair beads.

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

In this collecting/comparing activity, learners work with samples of sand from different places like a lakefront, river, or ocean beach.

In this outdoor activity, learners become beachcombers as they walk on a sandy beach in search of evidence of life.

This activity has learners interacting with live crayfish, but could be adapted for a variety of similar hardy and interesting organisms.

Learners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat.

Using a real-size sketch of a baby elephant's footprint, learners estimate, measure and record the width (diameter) and outside edge length (perimeter or circumference) of the footprint.

In this set of outdoor games, learners increase their awareness of the outdoor environment by going on a scavenger hunt and an out-of-place hunt.

How do you measure a bubble when it's floating? You can't really, but in this activity, learners can measure the diameter of the ring of suds a bubble leaves on a flat surface.

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

In this craft activity, learners create a string of cut-out moons and stars.

This assortment of mathematical games can be played while traveling.

In this outdoor, nighttime activity, learners gather around a brightly lit, white surface and study the behavior of nocturnal animals attracted to the light, particularly night fliers.

In this self-measuring activity, learners observe and record how many times a minute they blink, take a breath, and chew, as well as how many times a minute their heart beats.

In this activity, learners look at and touch marine animal skulls to compare them and think about what they eat.

In this self-measuring activity, learners measure and record the length of their foot.

This is a guide for facilitating interaction at a touch tank with marine animals. The instructions are for setting up a display in an informal science center, but could work anywhere.

En esta actividad, los aprendices harán un terrario usando materiales simples.

In this activity, learners cut out and assemble wheels to explore how variations in fish body structures (mouth shape/position/teeth, body shape, tail shape, and coloration patterns) allow fish to sur