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In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.

$5 - $10 per group Ages 8 - 18 1 to 7 days
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In this activity, learners mix several sugar solutions to investigate the property of density. Each sugar solution has a different density and color of the rainbow.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity (page 95 of the PDF), learners create Escher Staircase models similar to those that were used by Neurolab's Spatial Orientation Team to investigate the processing of information about

1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
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In this math lesson, learners record and graph plant growth and interpret data. Learners plant seeds, and once the seeds sprout, record the change in height of the plants for several days.

$5 - $10 per group Ages 8 - 11 1 to 4 weeks
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In this outdoor water activity, learners explore evaporation by painting with water and tracing puddles. Learners will discover that wet things become dry as the water evaporates.

$1 - $5 per group Ages 4 - 6 45 to 60 minutes
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Learners draw and describe a leaf, and then re-find leaves drawn and described by other learners. Learners can observe leaves outside, or leaves may be brought into the classroom.

free Ages 11 - 18 45 to 60 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 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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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 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 activity, learners are divided into teams.

$10 - $20 per group Ages 14 - 18 2 to 4 hours
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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 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, learners create a star show and discover how they can prevent light pollution. Using simple materials, learners first design constellation boxes.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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This activity provides an opportunity for learners to observe and examine how carbon dioxide, water, and light produce glucose/starch through a process called photosynthesis.

$5 - $10 per group Ages 14 - 18 1 to 7 days
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In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners will listen to as many radio stations as possible to discover that AM radio signals can travel many hundreds of miles at night.

free Ages 8 - 18 1 to 2 hours
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This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners make a model of a pollution spill that occurred at Bangs Lake in Mississippi and measure water quality parameters in their model.

Over $20 per group Ages 14 - 18 2 to 4 hours
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In this activity related to Newton's Laws of Motion, learners build a boat powered by a propeller in the air.

$5 - $10 per student Ages 8 - 18 45 to 60 minutes