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In this activity, learners are challenged to design a planktonic organism that will neither float like a cork nor sink like a stone.

$5 - $10 per group Ages 8 - adult 30 to 45 minutes
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In this activity, learners use their sense of smell to explore the world on the nanoscale.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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Most people will break a bone in their body at some point in their life, but how much force does it take to break one?

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In this matching game, learners study the limits of life on Earth to see what other places in the solar system might sustain microbial life.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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During this lesson, learners will determine their blood pressure and learn about systolic and diastolic pressures.

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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In this activity about neuron/target muscle recognition (page 44 of the PDF), learners arranged in two rows facing away from each other use string to simulate neural development.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.

free Ages 6 - 18 Under 5 minutes
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In this activity about osmosis, learners use a naked egg (one with a dissolved eggshell) to learn about selectively permeable membranes.

1 cent - $1 per student Ages 11 - 18 10 to 30 minutes
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DNA is the thread of life. Encoded in its genetic sequence is the information that makes each of us unique. This activity allows you to see long, stringy strands of DNA extracted from wheat germ.

$1 - $5 per group Ages 8 - adult 10 to 30 minutes
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In this activity, learners will dissect a pumpkin or winter squash to learn the parts of the plant. This activity gets your learner hands on with every part of the plant and will be messy.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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This activity requires a Pico Cricket (tiny computer). Learners work on designing and building a sound sensor out of household materials, like plastic wrap and cardboard.

Over $20 per group Ages 8 - 18 2 to 4 hours
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In this activity (page 59 of the PDF), learners spin and observe false eyelashes in jars of water (prepared at least 1 day ahead of time) to investigate the effects of different types of motion on the

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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This activity has learners interacting with live crayfish, but could be adapted for a variety of similar hardy and interesting organisms.

Over $20 per group Ages 4 - adult 10 to 30 minutes
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The Ancient Egyptians used a naturally-occurring salt from the banks of the Nile River, called natron, to mummify their dead.

$5 - $10 per group Ages 8 - 18 1 to 4 weeks
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Directed by instructional cards, learners kinesthetically model cell communication by acting as components in a cell signaling pathway.

1 cent - $1 per group Ages 11 - 18 30 to 45 minutes
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DNA is the thread of life. Encoded in its genetic sequence is the information that makes each of us unique.

$5 - $10 per group Ages 8 - adult 10 to 30 minutes
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Using simple materials from around the house and recycled materials, learners will engineer a grabber device to pick up and put down objects that are at least 12 inches away.

free Ages 6 - adult 30 to 45 minutes
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In this activity, learners construct an indoors obstacle course and discover how using an eye patch can help them complete the course in the dark.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.

Over $20 per group Ages 8 - adult 10 to 30 minutes