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In this activity, learners engineer a paper helicopter that spins to the ground when dropped.

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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In this activity, learners create their own weather forecast map.

free Ages 8 - 14 30 to 45 minutes
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In this activity, learners build an instrument for catching and observing flies. Learners act as entomologists, attract flies into a jar using a slice of apple, and then observe the flies' behavior.

$1 - $5 per group Ages 4 - 18 1 to 4 weeks
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In this experiment related to plant biotechnology, learners discover how to prepare and load an electrophoresis gel.

Over $20 per group Ages 11 - adult 1 to 2 hours
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In this activity, learners use colored candy to represent subatomic particles and make a model of an atom (Bohr model).

$1 - $5 per student Ages 14 - 18 30 to 45 minutes
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This activity helps the learner answer the question: "What environmental problems arise due to animal and human overpopulation and what might need to be done to combat these problems?" Learners play a

$1 - $5 per group Ages 14 - 18 1 to 7 days
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In this activity, learners perform a plant dissection to gain a better understanding of a plant’s structure and function.

1 cent - $1 per student Ages 4 - 14
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Put the math of measurement, numbers, and everyday life into improvisational skits.

1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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In this design activity, learners create a vehicle that can transport a load, like a favorite toy or as a recycled object, from the top of a zipline to the bottom using only gravity.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this investigation, learners gather information on various food items during a field trip to a local grocery store.

free Ages 11 - 18 45 to 60 minutes
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In this outdoor activity, learners find the swollen bumps known as "galls" on various plants and get a closeup look at the parasitic animals living inside.

$5 - $10 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners use beads, which represent amino acids, to create protein bracelets. Learners examine the relationship between amino acids and proteins.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners are divided into teams.

$10 - $20 per group Ages 14 - 18 2 to 4 hours
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In this activity, learners will explore how light can refract or break apart into different colors.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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In this physical sciences activity, learners explore how forensic investigators collect prints from a crime scene. Learners make hand impressions in damp sand and analyze the patterns they observe.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore the question "What is paper?" Learners discover the processes and materials required to make paper while experimenting with different recycled fibers and tools.

Over $20 per student Ages 8 - 18 1 to 7 days
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Learners use a transparent plastic glove as a container to grow seeds. A different kind of seed can be planted in each finger.

$1 - $5 per student Ages 6 - 14 1 to 4 weeks
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Make a camouflage cut-out animal! Using patterned paper or magazine pictures from around the house, use your craft skills to make a paper animal that blends into its background.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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In this data analysis and environmental science activity, learners evaluate the feasibility of wave energy as a practical alternative energy source using ocean observing system (OOS) buoys.

free Ages 14 - adult 1 to 2 hours
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In this activity (pages 5-7), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

$5 - $10 per student Ages 8 - adult 10 to 30 minutes