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This activity (located on page 2 of PDF) introduces learners to the real size of animals using nonstandard measurement.

$1 - $5 per group Ages 4 - 11 10 to 30 minutes
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"Nature of Dye" allows participants to create their own dyes and art while exploring how chemicals interact and how these interactions can have real-world applications.

Over $20 per group Ages 6 - adult 10 to 30 minutes
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In this lesson, learners cut paper into very small pieces to explore the small size of quarks, the smallest thing we know of on Earth.

1 cent - $1 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners explore how distance can affect the way we perceive the size of an object.

free Ages 4 - 18 5 to 10 minutes
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Build and test a scale model of a rainforest canopy walkway.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity (located on page 4 of PDF), learners gain insight into the actual size of dinosaurs and practice making estimations and measurements.

1 cent - $1 per group Ages 6 - 11 30 to 45 minutes
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This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners create and reveal secret messages written with invisible ink! The invisible ink is actually a baking soda solution, and the magical revealing liquid is fruit juice.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
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In this experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture.

$1 - $5 per student Ages 4 - 14 30 to 45 minutes
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This three-part activity consists of an activity that groups of learners develop themselves, a given procedure, and an optional demonstration.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes