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Exploring Size: StretchAbility
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In this game, learners explore the different sizes of things in the world. In this Twister-like game, learners must place a hand or foot on a circle of the right scale - macro, micro, or nano.

Paper Chromatography with Leaves
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In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.

Shark Sizes
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In this graphing exercise (page 2 of the pdf), learners compare their own height to the length of various sharks.

A Recipe for Air
Learners use M&Ms® (or any other multi-color, equally-sized small candy or pieces) to create a pie graph that expresses the composition of air.

Feed the Birds
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Learners construct a bird feeder from re-used materials. After hanging their feeder, they keep a journal about what birds visit the feeder.

Rainbow in the Room
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This activity generates learner excitement about light through the creation of a room-sized rainbow.

For the Birds: Environmental Effects on Population
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In this activity, learners will investigate how shorebirds and seabirds are extremely vulnerable to changes in their environment, whether human-induced or otherwise.

Sea Turtle Populations
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In this activity (on page 2 of PDF under GPS: Sea Turtles Activity), learners will model how a sea turtle population changes over time, from eggs to adults, using puffed rice.