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In this activity on page 7 of the PDF (Get Cooking With Chemistry), learners conduct an experiment to get an idea of how cheese is made.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
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This fun and simple hands-on astronomy activity lets learners experiment with a bucket, stretchy fabric, marbles, and weights to discover some basics about gravity.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In this design challenge activity, learners explore the concept of biomimicry by using a natural organism's special features to design a new human object.

free Ages 8 - adult 10 to 30 minutes
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This fun and simple hands-on astronomy activity describes techniques scientists use to find planets orbiting other stars.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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Using information from the My Place in Space lithograph, learners write and/or draw a postcard to friends and family as if they had gone beyond the interstellar boundary of our Solar System, into the

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this math activity, learners observe and sketch cracking patterns in pavement.

1 cent - $1 per student Ages 11 - 18 10 to 30 minutes
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In this activity, learners explore how polarizing sunglasses can help diminish road glare.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners interact with whale artifacts such as replicas of skulls, bones, teeth, and baleen (hair-like plates that form a feeding filter).

Over $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners build their own rockets from paper, coffee stirrers, and tape. Learners discover that when anything flies, air pressure is always involved.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.

1 cent - $1 per student Ages 4 - 8 10 to 30 minutes
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In this activity, learners will experiment with catalysts to create an at-home version of elephant toothpaste.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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Learners construct a bracelet containing two strands of beads, which represents a double strand of DNA that codes for a gene. They match beads to the bases in a section of a chimp's DNA code.

1 cent - $1 per student Ages 6 - 18 10 to 30 minutes
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This activity generates learner excitement about light through the creation of a room-sized rainbow.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners work in partners to create and exchange messages written in Braille. Learners use a Braille key and thumbtacks to write their messages in Braille.

free Ages 8 - 14 10 to 30 minutes
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In this online puzzle game, learners need to choose a path from a starting number to a goal number. Along the path are simple operations (e.g.

free Ages 8 - 11 10 to 30 minutes
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Can you read the sentence "I C U"? Not really - but if you say each letter aloud, you'll say the simple sentence, "I see you." What if you change the "C" into a picture of an eye?

free Ages 4 - 11 10 to 30 minutes
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In this activity on page 14 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners turn plain pieces of recycled plastic into shrunken works of art.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners will explore engineering concepts to construct a blanket fort using materials sourced from home.

free Ages 4 - adult 10 to 30 minutes
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In this simulation activity, learners observe what can happen when ocean waves churn up water and oil from an oil spill.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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Learners analyze candy-coated sweets using chromatography. Learners use this method to separate the various dyes used to make colored candy.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes