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This exercise is designed to teach young learners the different parts of a plant (root, stems, leaves, flowers, fruit, and seeds), the basic functions of each part, and to show that tiny microscopic o

$5 - $10 per group Ages 4 - 11 30 to 45 minutes
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This activity is about collecting and analyzing DNA as part of a criminal investigation.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners make a scale model of an atom to see how big or how small an atom is compared to its nucleus. Learners will realize that most of matter is just empty space!

free Ages 14 - 18 30 to 45 minutes
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In this activity, learners construct a three-dimensional ambiguous cube to explore visual illusions and how our brains interpret or misinterpret information.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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The "Rocket Reactions" activity is an exciting way to learn about how materials interact, behave, and change.

$5 - $10 per group Ages 6 - adult 5 to 10 minutes
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In this lab (Activity #2 on page), learners compare bacteria growth on two petri dishes containing nutrient agar. Learners touch the doors, faucets, etc.

$1 - $5 per group Ages 8 - 18 1 to 7 days
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Ocean acidification is a big issue due to the amount of carbon dioxide humans release. CO2 in the atmosphere is absorbed into the ocean thus changing its acidity.

$1 - $5 per student Ages 11 - 18 10 to 30 minutes
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Ancient trash tells archaeologists a lot about the past. In this activity, learners take a close look inside their trash can and think about the clues it offers about their lives.

$1 - $5 per student Ages 6 - 14 45 to 60 minutes
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In this activity related to plant biotechnology, learners use the tissue culture process to rapidly produce clones (genetic copies) of a particular plant (cauliflower, rose cuttings, African violet le

Over $20 per group Ages 11 - 18 1 to 12 months
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In this activity, learners simulate the process of DNA fingerprinting by using electricity to separate colored dyes.

Over $20 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners will create their own museum collection using their favorite toys, drawings, or collection.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this four-part activity, learners will discover the exciting world of light--the most important form of energy in our world--and be able to identify and describe different types of light.

Over $20 per group Ages 11 - 14 1 to 2 hours
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In this activity, learners explore why they can see colors in bubbles and why they change.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity on page 10 of the PDF, learners detect the amount of energy that can flow through a sodium chloride electrolyte solution with a light sensor.

$5 - $10 per student Ages 8 - 14 45 to 60 minutes
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In this quick activity (page 2 of PDF under GPS: Lava Flow Activity), learners will model how large depressions near the top of a volcano are formed by using an inflating and deflating balloon submerg

$5 - $10 per group Ages 8 - 14 30 to 45 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 online interactive simulation, learners will add different salts to water and then watch the salts dissolve and achieve a dynamic equilibrium with solid precipitate.

free Ages 8 - adult 10 to 30 minutes
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In this Bob the Builder(TM)-themed activity, learners go on a nature walk outside and describe what they observe using their senses.

$5 - $10 per group Ages 4 - 6 30 to 45 minutes
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In this activity, learners explore how pens have been engineered and re-engineered over time. Learners work as a team to develop a working pen out of everyday items.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore how parachutes are used to slow down moving objects. Learners work in teams of "engineers" to design and build their own parachutes out of everyday items.

$5 - $10 per group Ages 8 - 18 1 to 2 hours