![Group of children and adults using dry ice to make bubbles in Explore Science Let's Do Chemistry Sublimation Bubbles activity](https://nisenet.org/sites/default/files/styles/splashy_hero_large/public/2020-12/hero%20short%20activities%20ExSci_Chem_20180219_1509.jpg?h=42c56089&itok=HWOdWDCH)
Short Activities
Short activities are brief hands-on experiences lasting less than 15 minutes for small groups of people.
They are often presented at a table, cart, or demonstration space in a variety of settings such as a museum exhibit gallery, classroom, or other public or group setting. Multiple short activities can be combined to form a longer activity.
Invisible Sunblock
In this activity, learners compare nano and non-nano sunblock products to discover the effect of particle size on visibility.
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![Learner cuts a paper ruler in half](https://nisenet.org/sites/default/files/styles/curated_list_large/public/MeasRuler_cutting_Dec08.jpg?itok=8nbtQ_lJ)
Exploring Size - Tiny Ruler
In this activity, learners investigating just how small a billionth of a meter is by repeatedly cutting a paper ruler in half.
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![A person puts a liquid on a substrate which is on top of a DIY spin-coater.](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/10764/spincoater2.jpg?h=fa3865ff&itok=khiAQQpm)
Organic Light-Emitting Diodes (OLEDs): Cart Version
In this activity, learners explore OLEDs through presentations and a spin coater demonstration. Instructions are included for facilitators to pre-make the OLEDs and the spin coater.
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![A person using thin slice of graphite to cut ice.](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/20140907GH1_328.jpg?h=a74d5586&itok=XYe13_wT)
Exploring Properties - Heat Transfer
In this activity, learners investigate how quickly heat is transferred through two different materials.
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![Young learner sorting colored marbles into three different colored boxes using a tube and funnel](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/SustainABLE_WaterRoll_activityguide2.jpg?h=827069f2&itok=XZfE4odB)
Water Roll
In this activity, learners decide how they would distribute water between homes, farms and factories by sliding marbles down a tube into various containers.
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![Frankentoy activity with participants engaged](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2021-03/Frankenstein200_Photo%209-L.jpg?h=d0ec9e1d&itok=ED9gax4H)
Frankentoy
In this activity, learners make a “creature” by mixing and matching different parts of toys.
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![Adult and children sensing and discussing odors in Chemistry Makes Scents activity](https://nisenet.org/sites/default/files/styles/curated_list_large/public/exsci_chem_20180530_2245_0.jpg?itok=EsgAqZNR)
Chemistry Makes Scents
In this activity, learners will use their nose to explore the differences between chemicals with similar structures and use large molecule models to visualize the structural differences.
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![Girl using paint in nebula spin art activity](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2021-12/Nebula%20Spin%20Art%20ExSci_Space_20191111_0278.jpg?h=b2774bcf&itok=UrHJdm8w)
Exploring the Universe: Nebula Spin Art
In this activity, learners create their own colorful model nebula using paint and a spinner.
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![A bracket containing different neurotechnology cards](https://nisenet.org/sites/default/files/styles/curated_list_large/public/2023-03/bracket1.jpg?itok=KCrsvX6Z)
Neuro Futures Championship Game
Pit new neurotechnologies head-to-head using a sports-style bracket.
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![Mitten Challenge activity components including signs, activity materials and guides.](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/mitten_challenge.jpg?h=fc9a018d&itok=pECHIl9s)
Exploring Tools - Mitten Challenge
In this activity, learners build a Lego® structure while wearing mittens and discover how difficult it is to build small things when your tools are too big.
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