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Showing results 141 to 160 of 292

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In this activity, learners apply Ohm’s Law to construct voltage divider circuits. Learners discover how to read resistor codes and calculate resistor values.

Over $20 per group Ages 14 - 18 2 to 4 hours
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In this activity, learners play a game similar to Tic-Tac-Toe. In this version, learners try NOT to get three-in-a-row. The player who gets three-in-a-row first loses!

free Ages 6 - 11 Under 5 minutes
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In this activity, learners explore patterns and sequences as they observe fictional plant growth.

$1 - $5 per group Ages 4 - 8 10 to 30 minutes
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In this activity, learners will estimate how many seeds are in a fruit or vegetable, then count to find out. The result: mix estimation with healthy eating.

1 cent - $1 per group Ages 4 - 14 10 to 30 minutes
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In this version of a Sumo wrestling bout, players use mathematical skills to move their opponent's counter beyond the track and "out of the ring." Learners reveal playing cards and the player with the

1 cent - $1 per group Ages 6 - 11 5 to 10 minutes
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In this activity, learners investigate the relative growth of lengths, areas, and volumes as cylinders are scaled up.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners calculate their water usage (in cups and galloons) during an average shower. Learners also chart and analyze water usage during showers in their households.

free Ages 6 - 11 45 to 60 minutes
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In this activity, the learner asks yes-no questions to identify a secret object (similar to Twenty Questions). This game is easy to adapt for different ages and different kinds of contexts.

free Ages 4 - 14 5 to 10 minutes
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In this activity, learners examine the culture and history of the tomb site.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this Cyberchase activity, learners play a simple game using 15 paper dragons (or any 15 objects). One of the 15 dragons is red. Learners try to make their opponent take the red piece.

1 cent - $1 per group Ages 8 - 11 5 to 10 minutes
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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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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 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 are introduced to challenges of maintaining temperatures while living in space.

$5 - $10 per group Ages 14 - 18 1 to 7 days
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In this activity (1st on the page), learners explore circadian rhythms by keeping track of their body temperature.

1 cent - $1 per student Ages 8 - 18 4 to 24 hours
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Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy.

$10 - $20 per group Ages 14 - 18 1 to 7 days
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In this activity, learners will be introduced to biomass gasification and will generate their own biomass gases.

Over $20 per group Ages 14 - 18 2 to 4 hours
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In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day.

$1 - $5 per group Ages 14 - 18 4 to 24 hours
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On the first night, I saw 5 stars in the desert. On the second night, I saw 10… What do you think I saw on the third night? Combine arts and crafts, literacy, and math by making a counting book.

1 cent - $1 per student Ages 4 - 14 30 to 45 minutes