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![a group of learners build UV color changing beaded bracelets](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-02/20151009_1142.jpg?h=265e640d&itok=nhC3c3sK)
Exploring Properties - UV Bracelets
In this activity, learners use ultraviolet light to change the color of beads that contain photochromic dye.
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![Learner uses 3D glasses to look at a image printed on a sheet of paper](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/11091/img_4485_crop.jpg?itok=OOY0Rk4m)
Exploring Tools - 3D Imaging
In this activity, learners use 3D glasses to discover what ordinary objects look like under magnification.
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![A learner blows air on a pinwheel](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/11085/moving_molecules.jpg?h=8771458a&itok=z6po-Y8H)
Exploring Size - Moving Molecules
In this activity, learners use an air cannon toy to spin pinwheels to explore what makes up air.
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![Liquid crystal display activity components including signs, guides, craft materials, safety gear, and liquid crystal material](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/liquid_crystal_displays.jpg?h=d02e55a0&itok=qszCXtrx)
Exploring Products - Liquid Crystal Displays
In this activity, learners investigate temperature-sensitive liquid crystal sheets and liquid crystal displays from a calculator.
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![hand reaching inside box in Exploring Tools - Mystery Shapes NanoDays activity](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/11071/mystery_shapes.jpg?h=979f9c9d&itok=q63cQJsK)
Exploring Tools - Mystery Shapes
In this activity, learners use their sense of touch to investigate hidden objects.
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![Girl looking at objects in a beaker filled with liquid that appear to be invisible](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/11070/invisibility_2.jpg?h=e4c0da04&itok=Nb5ewATQ)
Exploring Properties - Invisibility
In this activity, learners investigate how glass objects can be "hidden" in some liquids through refraction.
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![Two young learners and facilitator push down on a red magnet being repelled by a magnetic black base](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-03/20121029-2100.jpg?h=265e640d&itok=-OKQDw_y)
Exploring Products - Computer Hard Drives
In this activity, learners use floating ring magnets to store data and model how computer hard drives works.
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![Memory Metal activity components including signs, guides, hair dryer, memory metal, and bucket.](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/memory_metal.jpg?h=6b4e2299&itok=GfNVJCAu)
Exploring Materials - Memory Metal
In this activity, learners compare the properties of a memory metal spring to an ordinary spring.
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![A purple voting station with four options asking what the size of Nano is](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/10979/img_9902.jpg?itok=2gCYZMId)
Vote Nano!
In this activity, learners will vote on different questions about nanotechnology with marbles in separate containers, and visualize how others have answered the same question.
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![Man in red shirt and lady in blue shirt participate in a Improv exercise with other professional museum educators](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/10933/improv.jpg?itok=EpSrRdjx)
Improv Exercises
Improv exercises can be used by professionals as icebreakers, getting-to-know-you activities, and as tools to empower educators to facilitate positive, learning conversations with visitors.
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