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This is a classic exercise for visualizing the scale of the Solar System.

1 cent - $1 per group Ages 6 - adult 45 to 60 minutes
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In this lesson, learners cut paper into very small pieces to explore the small size of quarks, the smallest thing we know of on Earth.

1 cent - $1 per student Ages 6 - 11 45 to 60 minutes
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In this nanoscience activity, learners discover that it's easy to pour water out of a regular-sized cup, but not out of a miniature cup.

$5 - $10 per group Ages 4 - adult 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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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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In this activity, learners confront their perceptions of gravity in the solar system.

Over $20 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners take measurements and create charts to learn about the size of dinosaurs and their relative scale to humans.

$5 - $10 per group Ages 8 - 11 1 to 2 hours
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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 will observe how air interacts with a paper helicopter. Learners will test different variables of weight, size, and shape.

1 cent - $1 per student Ages 4 - 14 Under 5 minutes
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In this physics activity, learners explore how sound is created by vibrations.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners conduct a simple test to find their blind spot.

1 cent - $1 per student Ages 8 - 14 Under 5 minutes
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In this activity, learners will construct a device to blow bubbles. By adding corn syrup to the bubble solution, we can increase the surface tension of the bubbles--and their size.

$1 - $5 per student Ages 4 - 11 10 to 30 minutes
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In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder.

$1 - $5 per group Ages 8 - 18 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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This activity provides instructions for making an aircraft that can really fly using a straw and paper hoops!

$1 - $5 per student Ages 4 - 11 10 to 30 minutes
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In this activity, learners create a straw oboe to explore sound and pitch.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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In this activity, learners try pouring water out of a regular cup and a miniature cup. It’s harder than it sounds! Learners discover that different forces dominate at different size scales.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this demonstration, learners observe the effects of air pressure. They will watch as marshmallows inside a bottle expand as a vacuum pump removes air from the bottle.

$1 - $5 per group Ages 4 - adult Under 5 minutes
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In this combination chemistry and physics activity, learners explore water absorption in dried beans or peas and learn how this affects their physical properties.

$1 - $5 per student Ages 6 - 11 1 to 7 days
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In this activity, learners engineer a flying glider using paper hoops and a drinking straw.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes