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The beautiful iridescent colors of a bubble in a can! With this Exploratorium Science Snack, create beautiful soap films on the open end of a can to see beautiful rainbows of color.

1 cent - $1 per student Ages 4 - 18 5 to 10 minutes
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In this optics activity, learners work in pairs to explore how mirrors work. Learners use tape to mark the angles needed to see each other's reflection in a wall mirror.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this outdoor art/environmental activity, learners create designs that will attract attention to animals and plants in particular habitats, and then test whether their designs attracted the "right"

$1 - $5 per group Ages 6 - 14 45 to 60 minutes
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In this game (4th activity on the page) about hearing, learners test their ability to identify various sounds without looking.

free Ages 4 - 14 5 to 10 minutes
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In this simple exploratory activity (1st activity on the page), blindfolded learners try to identify mystery items by smell.

1 cent - $1 per group Ages 4 - 14 5 to 10 minutes
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In this activity, learners practice counting and multiplication as they figure out how many animal body parts they have to examine as "Dr. Vet."

1 cent - $1 per group Ages 4 - 8 10 to 30 minutes
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In this activity, learners investigate whether more people are squares or rectangles. People with similarly sized heights and arm spans are classified as squares.

free Ages 6 - 11 10 to 30 minutes
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In this outdoor activity, learners discover the wonders of the habitat surrounding them.

$1 - $5 per student Ages 4 - 11 45 to 60 minutes
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Can you think of ways to collect and dispose of spilled oil without causing further harm to the environment?

$5 - $10 per student Ages 6 - 11 10 to 30 minutes
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In this quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure.

free Ages 6 - 18 5 to 10 minutes
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In this activity, learners observe live fish in tanks to consider how their body structures are related to their behaviors and habitats.

$5 - $10 per group Ages 4 - adult 10 to 30 minutes
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Experience a spinning spiral...you won't be hypnotized, but you'll see what happens when you look away. It's like getting off a merry-go-round and everything keeps moving.

1 cent - $1 per student Ages 6 - adult Under 5 minutes
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Find out what it would be like to have ears shaped differently from your own! Design and make different animal ears then try them out.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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In this activity, learners will make seed orbs to grow new trees and plants. Learners will explore ecology and life cycles as well as stewardship through this activity.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners observe tide pool animals in a touch tank to consider how they survive.

$5 - $10 per group Ages 4 - 11 10 to 30 minutes
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Learners complete a series of hands-on and investigative activities to explore cumulus clouds.

$5 - $10 per group Ages 4 - 11 30 to 45 minutes
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In this outdoor winter activity, learners search for and create hibernation sites that will protect gelatin "animals" from freezing.

$1 - $5 per group Ages 6 - 14 45 to 60 minutes
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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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In this activity, learners explore the possibilities of clay as a natural material.

$5 - $10 per group Ages 4 - 11 30 to 45 minutes
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In this outdoor activity, learners investigate ant behavior by testing ant feeding reactions to different types of food.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes