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Showing results 821 to 840 of 2059

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This puzzle provides an interesting context which challenges learners to apply their knowledge of the properties of numbers.

1 cent - $1 per student Ages 11 - 14 5 to 10 minutes
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In this activity, learners build a plastic emergence chamber (or use purchased "mini mosquito breeder") to observe and analyze the mosquito life cycle.

Over $20 per group Ages 11 - 18 1 to 4 weeks
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In this amazing activity about light and reflection, learners will use a pie plate and reflective strips from a mylar balloon to try to morph their face into a friend's.

$5 - $10 per group Ages 6 - 14 30 to 45 minutes
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In this demonstration about force and motion, learners will explore the forces that affect a pendulum A simple model pendulum comprised of a ball and string demonstrates how pendulums work as well as

$1 - $5 per student Ages 4 - 11 5 to 10 minutes
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In this chemistry activity (page 5 of the PDF), learners will see that chewing is more than just the crushing up of food; there is actually a chemical change going on at the same time.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity (12th activity on the page), learners conduct an experiment to demonstrate how muscles are constantly feeding information to the brain about what they are doing.

free Ages 8 - 18 5 to 10 minutes
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In this interactive activity, learners analyze seashells to explore phylogeny and evolution. Learners identify similar and dissimilar seashells to create a phylogenetic tree.

free Ages 11 - 18 10 to 30 minutes
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In this activity, learners explore trebuchet design. Teams of learners construct trebuchets from everyday materials.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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In this math activity, challenge learners to make two equal rows from eight different paper strips. Learners can explore the many ways they can solve this problem.

free Ages 6 - 11 5 to 10 minutes
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Learners make their own acid-base indicator from red cabbage. They use this indicator to test substances around the house.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners are challenged to calculate their own weight on various planets using a scale and calculator. Older learners may be challenged to do so without using calculators.

$10 - $20 per group Ages 8 - adult 10 to 30 minutes
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In this activity, learners build a seesaw powered by magnets.

$1 - $5 per student Ages 6 - 14 30 to 45 minutes
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In this activity, learners use oil, water, food coloring and antacid tablets to create a bubbling lava lamp. Use this activity to introduce concepts related to density, hydrophobicity vs.

$5 - $10 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners explore rocketry and the principals of space flight.

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners actually feel the difference in energy required to light two different types of light bulbs: incandescent light and LEDs.

$5 - $10 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners explore how engineers have developed sorting systems which integrate into manufacturing and packaging processes. Learners explore how coins are made.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore sound by constructing their very own banjo out of a coffee can. Learners experiment with the canjo to change the instrument's pitch and timbre.

$1 - $5 per student Ages 6 - 18 45 to 60 minutes
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In this activity, learners will experiment with the physics of forces - kinetic energy and friction while making a moving toy woodpecker.

1 cent - $1 per student Ages 4 - 14 5 to 10 minutes
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In this activity, learners build mini catapults using paint paddles and a spoon. Use this activity to introduce learners to forces and projectile motion.

$1 - $5 per student Ages 6 - 18 10 to 30 minutes
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This lesson guide includes six simple and quick activities to help learners better understand Bernoulli's Principle.

$1 - $5 per student Ages 8 - 11 30 to 45 minutes