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This is a series of three quick science activities to do with a spoon, knife, and fork. In the first two activities, learners use the flatware to explore optics, mirrors, reflection, and distortion.

free Ages 4 - 14 5 to 10 minutes
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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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In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.

$1 - $5 per student 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 online activity exploring our perception of "cuteness," learners adjust various factors (like pupil size or length of limbs) on a face, a cat, and a hammer.

free Ages 6 - 14 5 to 10 minutes
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In this activity, learners will use chemistry to create a night sky watercolor painting. They will experiment to learn the effects of mixing crayon, salt, and lemon juice with water color paints.

$5 - $10 per student Ages 4 - adult 30 to 45 minutes
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Sound can travel through a variety of media.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
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In this activity, learners will build rainwater collectors to practice meteorology in their own backyard. Collect and analyze data to determine how much rainfall you get in a set period of time.

$1 - $5 per group Ages 8 - adult 1 to 4 weeks
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In this activity, learners create virus models, including nucleic acid and proteins, using simple materials. This resource includes information about virus structure and gene therapy.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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In this activity, learners use a chemical reaction to visualize where moisture forms on the body.

$10 - $20 per group Ages 8 - 18 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, learn about the cultural stories behind constellations. Then recreate your favorite constellations using marshmallows and toothpicks.

$5 - $10 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners compete in a game to cover the most area by drawing randomly-generated rectangles on graph paper.

$1 - $5 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners construct a device out of a piezoelectric igniter, like those used as barbecue lighters.

$5 - $10 per student Ages 11 - 18 30 to 45 minutes
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“Exploring Earth: Rising Sea” is a hands-on activity demonstrating ways to use topographical mapping techniques to track changes in sea level. The activity is connected to current NASA research.

free Ages 6 - 14 5 to 10 minutes
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In this activity (page 2 of PDF under GPS: Alligator Habitat Activity), learners will study the adaptations different fish species have developed to survive in their habitats.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners discover that it is difficult to trace a curve by using its reflection in a mirror. Use this activity to discuss how the brain works.

1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
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In this activity, learners design unique tiles and make repeating patterns to create tessellations. This activity combines the creativity of an art project with the challenge of solving a puzzle.

1 cent - $1 per student Ages 11 - 14 1 to 2 hours
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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 investigate soil conditions by creating a soil map. Learners record soil characteristics and compare the conditions of soil in different grid sections.

1 cent - $1 per student Ages 4 - 14 1 to 2 hours