![Group of children and adults using dry ice to make bubbles in Explore Science Let's Do Chemistry Sublimation Bubbles activity](https://www.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.
![Mary Shelly, her monster, and visitors using the battery stack activity](https://www.nisenet.org/sites/default/files/styles/curated_list_large/public/2021-03/Frankenstein200_Photo%202.jpg?itok=pWSDfimG)
Battery Stack
In this activity, learners investigate how to make a voltaic pile, the first kind of battery.
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![Young learner experimenting with washers to build a battery](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/20180303gh_273.jpg?h=9eb0d413&itok=h4MMNaLb)
Build a Battery
In this activity, learners learn build their own batteries with metal and felt washers.
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![Facilitator and learner look at a meteorite sample](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/exsci_space_20191111_0598.jpg?h=ab1e97c0&itok=WLgeWS-G)
Exploring the Solar System: Asteroid Mining
In this activity, learners imagine the challenges and opportunities of asteroid mining by drawing their own asteroid mining machines.
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![cards showing human attributes and robot jobs](https://www.nisenet.org/sites/default/files/styles/curated_list_large/public/2023-03/robot1.jpg?itok=GJGV7880)
What Makes Us Human
Explore what it means to be human and how humanlike machines might become.
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![Person looking at a thick test tube filled with static charged styrofoam beads](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/5395/img_2799_2.jpg?h=f405c703&itok=QW36pXAX)
Exploring Forces - Static Electricity
In this activity, learners discover that electrostatic forces cause smaller balls to be suspended in a tube while larger ones fall to the bottom.
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![Illustration of an alarm clock](https://www.nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/10836/1328101890_alarm.png?itok=v6hBAraV)
Scientist Speed Dating
In this activity, learners and scientists are encouraged to speak with one another, ask questions, and explore specific areas of nanotechnology research and practices through a fun group exercise.
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![Hands holding glass objects on a string in a beaker of liquid](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/10907/invisibility.jpg?h=9e2aa9b8&itok=sR3DScO6)
Exploring Nano & Society - Invisibility Cloak
In this activity, learners explore how refraction can be used to make a glass stir rod "disappear" in a cup of baby oil, while having conversations about new technologies.
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![two learners stretch across a large mat that have various icons related to nanotechnology](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/MeasStretch_photoVs_15Nov09.jpg?h=28d01d0b&itok=RA3UdA-4)
Exploring Size - StretchAbility
In this activity, learners use a "hands and feet-on" game that explores the different sizes of things in the world.
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![Surface Area activity components including signs, activity materials and guides.](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/surface_area.jpg?h=b7796557&itok=ECS2dtXS)
Exploring Properties - Surface Area
In this activity, learners compare the reaction rate of an effervescent antacid tablet that is broken in half with one that is broken into many pieces.
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![NanoDays Nano Food activity components including sign, guides, and activity materials.](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/nano_food.jpg?h=774126d1&itok=skTcDgpp)
Exploring Products - Nano Food
In this activity, learners explore how nanotechnology may be used in food products.
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