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Exploring Size: Memory Game
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In this activity, learners play a card game that explores different size scales--macro, micro and nano.

Make a Human Scale Ladder
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In this quick activity about size and scale (on page 2 of the PDF under What's Nano?

Gieant Sieve Sorter
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This Exploratorium activity explores size and scale. Through four levels of screen sizes, learners can sort out objects of different sizes.

Exploring Size: Powers of Ten
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In this activity, learners play a card game that explores the relative sizes of various objects. Learners compete to organize their hand of cards into lists of objects from largest to smallest.

Exploring Size: StretchAbility
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In this game, learners explore the different sizes of things in the world. In this Twister-like game, learners must place a hand or foot on a circle of the right scale - macro, micro, or nano.

Does Size Make a Difference?
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In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale.

What is a Nanometer?
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This lesson focuses on how to measure at the nanoscale and provides learners with an understanding how small a nanometer really is.

Paper Cutting
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In this activity about scale, learners investigate the world of the very small by cutting a 28 centimeter strip of paper in half as many times as they can.

Exploring Forces: Gravity
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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.

Inkjet Printer
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In this activity, learners investigate how inkjet printers produce tiny, precise drops of ink.

Sniffing for a Billionth
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This is an activity (located on page 4 of the PDF under What's Nano? Activity) about size and scale.

Exploring at the Nanoscale
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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.

Size Wheel
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In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).

Exploring Size: Measure Yourself
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In this activity, learners mark their height on a height chart and discover how tall they are in nanometers.

Gravity Fail
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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.

Cutting it Down to Nano
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This simple activity uses paper and scissors to convey two key concepts to learners: the nanoscale is very small and working on the nanoscale requires special tools.

What am I?
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In this activity, learners examine nanoscale structures of common things.

Exploring Tools: Mitten Challenge
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In this activity, learners build a LEGO® structure while wearing mittens. This activity shows learners how difficult it is to build small things when your tools are too big.

Be a Scanning Probe Microscope
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In this activity, learners investigate Scanning Probe Microscopes (SPM) and then work in teams using a pencil to explore and identify the shape of objects they cannot see, just as SPMs do at the nano

Mitten Challenge
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In this activity, learners try to put together toy bricks—wearing oven mitts on their hands! This activity shows learners how difficult it is to build small things when your tools are too big.