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Showing results 1021 to 1040 of 1627

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In this activity (on page 2 of the PDF), learners make a plastic protein polymer from milk. Adding vinegar to milk causes the protein casein to solidify or curdle.

$1 - $5 per student Ages 6 - 14 1 to 7 days
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In this activity, learners explore how hot and cold water move. Learners observe that temperature and density affect how liquids rise and fall.

$1 - $5 per student Ages 4 - 11 45 to 60 minutes
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In this activity, learners will construct a measuring device (snake "string") to improve their observation skills.

$1 - $5 per student Ages 4 - 14 5 to 10 minutes
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In this craft activity, learners will explore the structure and purpose of antelope horns by constructing their own headband using toilet paper rolls and yarn.

free Ages 4 - 8 30 to 45 minutes
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In this hands-on activity (on page 2 of the PDF), learners experiment with lemon juice and paper to create a message that can only be revealed using chemistry.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners explore sound by constructing an instrument using some metal pipes, rubber bands, and a baseboard.

$10 - $20 per student Ages 6 - 11 30 to 45 minutes
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Learners design, build, and test models of "dragon boats" made from up to three milk cartons.

$5 - $10 per group Ages 4 - 14 30 to 45 minutes
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In this activity, learners play a game from India similar to Tic-Tac-Toe. Players take turns placing coins on the game board and sliding the coins along the spaces.

free Ages 6 - 11 5 to 10 minutes
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In this activity, learners will discover how our universe is continuously expanding.

1 cent - $1 per student Ages 4 - 14 10 to 30 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 math activity, learners pretend there is a special store that lets you pay for toys by their height in pennies.

$1 - $5 per student Ages 4 - 8 5 to 10 minutes
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In this engineering activity, challenge learners to design a car using only 3 straws, 4 Lifesavers™, 1 piece of paper, 2 paper clips, tape, and scissors.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity (on page 2), one person "programs" the other like a robot to move through a space, trying to get them to avoid obstacles and reach a goal.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this math activity, learners pretend there is a special store that lets you pay for toys by their weight in pennies.

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
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In this quick and easy activity and/or demonstration, learners use two empty soda cans to illustrate Bernoulli's principle.

free Ages 6 - 18 5 to 10 minutes
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This is a guide for facilitating interaction at a touch tank with marine animals. The instructions are for setting up a display in an informal science center, but could work anywhere.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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Create an instrument that you don't play--you just listen to it through tubes of various lengths.

1 cent - $1 per student Ages 4 - 14 5 to 10 minutes
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In this activity, learners will build a bee hotel for pollinators. Learners will explore building and ecology through this activity.

$1 - $5 per group Ages 4 - 14 10 to 30 minutes
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Learners assemble a figure from a nylon stocking or sock stuffed with soil and seeds. The ends of the nylons inside the jar absorb water, which feeds the grass seeds.

$1 - $5 per student Ages 4 - 11 1 to 4 weeks
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With a magnet, iron fillings, and a bottle, you can create a cool demonstration about magnetic lines of force: the fillings will arrange themselves within the magnet's magnetic field.

$1 - $5 per student Ages 6 - 18 Under 5 minutes