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In this activity (page 23 of PDF), learners conduct an experiment to determine how the size and mass of a projectile affects the area and the volume of an impact crater.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners will participate in a scavenger hunt involving sizes, shapes, and numbers. This activity works well with a whole group, individuals, or families.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners find out why some mineral sunblock rubs in clear. Learners compare nano and non-nano sunblocks and discover how particle size affects visibility.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this math activity, learners make their own bubble wands and determine if the size of the wand affects the number of bubbles it produces.

$5 - $10 per group Ages 8 - 11 10 to 30 minutes
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In this activity, learners explore a scale by comparing objects, which look similar but have different weights. Learners predict and then measure the weights of various objects using a scale.

free Ages 4 - 6 10 to 30 minutes
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This lesson focuses on how nanotechnology has impacted our society and how engineers have learned to explore the world at the nanoscale.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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This is a hands-on activity exploring how nanoscale particles are used in mineral sunblocks to increase their transparency.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In this activity on page 3 of the PDF, learners visualize the relative size and structural differences between microbes that have the potential to cause disease.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners explore the relative sizes and distances of objects in the solar system.

$1 - $5 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners investigate whether more people are squares or rectangles. People with similarly sized heights and arm spans are classified as squares.

free Ages 6 - 11 10 to 30 minutes
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In this activity, learners will put a set of containers in order by capacity. Would the tallest container hold more or less water than the wide, short one?

free Ages 4 - 14 5 to 10 minutes
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In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon.

$1 - $5 per student Ages 6 - 14 30 to 45 minutes
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This activity (located on page 2 of PDF) introduces learners to the real size of animals using nonstandard measurement.

$1 - $5 per group Ages 4 - 11 10 to 30 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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In this activity related to Archimedes' Principle, learners use water displacement to compare the volume of an expanded gummy bear with a gummy bear in its original condition.

$1 - $5 per group Ages 11 - 18 1 to 7 days
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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 (located on page 4 of PDF), learners gain insight into the actual size of dinosaurs and practice making estimations and measurements.

1 cent - $1 per group Ages 6 - 11 30 to 45 minutes
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In this lab exercise, learners explore diffusion, cell membranes and particle size using beets and three alcohols.

$10 - $20 per group Ages 14 - 18 10 to 30 minutes