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In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.

$10 - $20 per group Ages 8 - 18 1 to 7 days
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In this activity, learners build a water squirter using a PVC pipe, dowel, and foam. This activity is great for the summer time and introduces learners to forces and water pressure.

$5 - $10 per student Ages 6 - 18 45 to 60 minutes
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This display shows slow chemical reactions in colorful crystal formations known as Liesegang Rings. These reactions are similar to those forming the rings in agates.

$5 - $10 per student Ages 14 - adult 1 to 4 weeks
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In this math activity, learners use a "function machine" to collect and organize simple data. The function machine in this case is a cardboard box and the input/output data are paper fish.

1 cent - $1 per group Ages 4 - 6 10 to 30 minutes
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This activity (located on page 3 of the PDF under GPS: Lava Flow Activity) is a full inquiry investigation into the relationship between an object’s mass and the distance it is thrown by a catapult.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this online interactive simulation, learners will test the pH of liquids like coffee, spit, and soap to determine whether each is acidic, basic, or neutral.

free Ages 11 - adult 10 to 30 minutes
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In this lab, learners evaluate the relative effectiveness of various chemical substances (i.e. garlic powder, bathroom cleaner, mouthwash, etc.) as antimicrobial agents.

$5 - $10 per student Ages 11 - 18 4 to 24 hours
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In this activity, learners make a black box device that serves as an excellent analogy to Rutherford's famous experiment in which he deduced the existence of the atomic nucleus.

$1 - $5 per group Ages 14 - 18 30 to 45 minutes
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In this activity, learners graph 48 hourly air temperatures from a local weather observation site and observe the diurnal temperature variations.

free Ages 8 - 14 30 to 45 minutes
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In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel.

Over $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners shrink the scale of the vast solar system to the size of their neighborhood.

Over $20 per group Ages 8 - 14 45 to 60 minutes
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In this online activity, learners use a realistic mass and spring laboratory. They hang masses from springs and adjust the spring stiffness and damping.

free Ages 8 - adult 10 to 30 minutes
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In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this physics crime lab or demonstration, learners pretend they are criminologists and must find the "muzzle velocity" (speed of the bullet as it leaves the gun) of a gun used to commit a crime.

Over $20 per group Ages 14 - 18 1 to 2 hours
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In this activity, learners investigate visual perception as well as plan and conduct their own experiments.

1 cent - $1 per group Ages 8 - 18 1 to 2 hours
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In this math-based activity, learners will experiment to find how height and angle affect spatter and then use this knowledge to solve a crime.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

$5 - $10 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners discover that they can create a lens from a water drop. Learners test their lens by looking at words or pictures.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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In this series of exercises, learners predict the conditions necessary for bacterial growth, test their predictions and at the same time practice the aseptic techniques and safety procedures needed wh

$10 - $20 per group Ages 14 - 18 1 to 2 hours
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In this activity, learners are introduced to challenges of maintaining temperatures while living in space.

$5 - $10 per group Ages 14 - 18 1 to 7 days