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Showing results 2081 to 2100 of 2169

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In this activity, learners use plastic water bottles, wood, and water to build an inexpensive and portable tool to demonstrate one atmosphere of pressure at sea level.

$1 - $5 per student Ages 11 - 18 45 to 60 minutes
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In this activity, learners identify different classes of matter based on physical properties.

$5 - $10 per group Ages 14 - adult 45 to 60 minutes
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String Thing is an interactive online game in which learners change a virtual string's tension, length, and gauge to create different musical pitches.

free Ages 8 - 14 10 to 30 minutes
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Things that are different sizes and stiffness vibrate differently, and in this Exploratorium Science Snack, you'll see how rings of various diameters react to vibration and external forces.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners will listen to as many radio stations as possible to discover that AM radio signals can travel many hundreds of miles at night.

free Ages 8 - 18 1 to 2 hours
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In this activity, learners use simple items to construct a device for indicating air pressure changes.

$1 - $5 per student Ages 8 - 18 1 to 4 weeks
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Learners place cut flowers in colored water and observe how the flowers change. The flowers absorb the water through the stem and leaves.

$1 - $5 per student Ages 8 - 18 1 to 7 days
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In this activity, learners explore color, light and shadow by creating their own puppets to hold in front of a light source.

$10 - $20 per group Ages 4 - 6 10 to 30 minutes
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This activity (located on page 3 of the PDF under GPS: Balloon Fiesta Activity) is a full inquiry investigation into Bernoulli’s principle and airplane wings.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners discover how their heart rate changes in different situations.

$5 - $10 per student Ages 8 - 14 30 to 45 minutes
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Learners examine the properties of light by experimenting with an LED-flashlight and polarizing filters. When two polarizers are used, they block all light when they are placed at right angles.

$10 - $20 per group Ages 11 - 14 10 to 30 minutes
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In this activity (4th activity on the page), learners use their sense of smell to rate and arrange containers filled with different dilutions of a scent (like cologne or fruit juice) in order from wea

$1 - $5 per group Ages 8 - 18 5 to 10 minutes
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This is a quick activity (on page 2 of the PDF under Gecko Feet Activity) about the forces of gravity and surface tension and how their behavior is influenced by size.

1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners track their movements with jumping and leaping graphs.

$1 - $5 per group Ages 4 - 11 45 to 60 minutes
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In this activity, learners surprise their eyes with an optical illusion involving arrows made out of pipe cleaners.

1 cent - $1 per student Ages 6 - 11 Under 5 minutes
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This is an activity (on page 2 of the PDF under Bone Regrowth Activity) about the two main components of bone - collagen and minerals (like calcium) - and how they each contribute to its flexibility a

$5 - $10 per group Ages 8 - 14 1 to 7 days
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In this activity, challenge learners to predict and investigate how many water drops they can fit on one penny.

free Ages 6 - 11 10 to 30 minutes
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In this math lesson, learners use fruit to learn about proportions and percentages. Learners compare the weights of the edible and non-edible portions of fruit.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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Learners drop a magnet through a coil of wire to create electric current in a circuit. LEDs in the circuit allow learners to detect the direction of current flow.

$5 - $10 per group Ages 11 - 18 30 to 45 minutes