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Showing results 801 to 820 of 2051

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This activity guide includes instructions on how to build a "Shake Table" by mounting an eccentric mass (off center) on the shaft of a small dc motor.

Over $20 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners make an electromagnet motor to demonstrate the most basic method of changing electrical energy into mechanical energy.

$5 - $10 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations.

$10 - $20 per group Ages 4 - 6 10 to 30 minutes
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In this activity, learners use a microscope to examine three different microbes: bacteria, yeast and paramecia. Educator will need to prepare the yeast solution one day before the activity.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners discover how solar energy can be used to heat water.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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In this outdoor activity, learners make models of homes that might protect small animals from the elements, then search living plants for real structures made by small animals.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this activity on page 27, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation.

$1 - $5 per group Ages 8 - 14 1 to 12 months
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In this activity, learners test how cornstarch and glitter in water move when disturbed. Learners compare their observations with videos of Jupiter's and Earth's storm movements.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners work in teams to investigate the relationship between mass, acceleration, and force as described in Newton's second law of motion.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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This is an activity (located on page 4 of the PDF under What's Nano? Activity) about size and scale.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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Learners investigate weight by building a spring scale. They observe and record how it responds to objects with different masses.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners model ancient lunar impacts using water balloons.

Over $20 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners conduct a series of hands-on experiments that demonstrate how the working of plants' veins, known as capillary action, enables water to travel throughout the length of a pla

$5 - $10 per student Ages 11 - 14 1 to 7 days
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In this activity, learners create a toy that demonstrates the First Law of Thermodynamics or the Law of Conservation of Energy.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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This activity (on page 3 of the PDF under GPS: Biodiversity Activity) is a full inquiry investigation into biodiversity.

free Ages 8 - 14 1 to 2 hours
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In this activity, learners create a soil and water model of a single-cell life environment and study living microorganisms.

$5 - $10 per group Ages 8 - 18 1 to 7 days
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In this activity learners compare the bounciness of warm and cold racquetballs to see if temperature makes a difference in how well they bounce.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners determine the necessary conditions for pea seed germination.

$5 - $10 per group Ages 8 - 11 1 to 7 days
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In this activity, learners explore the size and scale of dinosaurs. Learners listen to "The Littlest Dinosaurs" by Bernard Most. Then, learners estimate the size of a Triceratops and T.

1 cent - $1 per group Ages 4 - 6 45 to 60 minutes