![Visitors line up by size in Get in Order - large size powers of 10 cards featuring an Earth card](https://nisenet.org/sites/default/files/styles/splashy_hero_large/public/2021-11/Get%20in%20Order%20-%20large%20size%20powers%20of%2010%20cards%2020151111_1030.jpg?h=cd3a1001&itok=MpDWywoq)
Size, Scale, & Measurement
Measuring
![facilitator and young learner use a height chart set in nanometers](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-02/20100815GH_1826.jpg?h=2e3eca71&itok=Nxmp6Uur)
Exploring Size - Measure Yourself
![Young learner places blocks in scale while facilitator watches](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2020-10/ExSci_Space_20200826_0127%20Measure%20Up.jpg?h=8971a0d3&itok=jNO1N7Sq)
Exploring Science Practices: Measure Up
![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
Large Scales
![Group shot of learners creating their pocket solar systems](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-02/ExSci_Space_20180929_1292.jpg?h=6285e0f9&itok=dta_kSGU)
Exploring the Solar System: Pocket Solar System
![Learner looking at plushie model of the Moon](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2020-10/ExSci_Space_20200908_0183%20Moonquake.jpg?h=3d346970&itok=oHH7B7mW)
Exploring the Solar System: Moonquakes
Small Scales - Nanoscale and Microscale
![facilitator and young learner use a height chart set in nanometers](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-02/20100815GH_1826.jpg?h=2e3eca71&itok=Nxmp6Uur)
Exploring Size - Measure Yourself
![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
![Learners pour beads into a sieve filter to sort by size](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8883/20110918gh192.jpg?h=4de69ae3&itok=Bn5ClXkh)
Exploring Size - Ball Sorter
![A girl playing the Exploring Size - Memory Game](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/5413/img_3347.jpg?h=3d39187c&itok=_BeiOvDB)
Exploring Size - Memory Game
![two learners stretch across a large mat that have various icons related to nanotechnology](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/MeasStretch_photoVs_15Nov09.jpg?h=28d01d0b&itok=RA3UdA-4)
Exploring Size - StretchAbility
Tiny Particles, Big Trouble!
![A facilitator adds scented oils into deflated balloons](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-02/20120216GH_0371.jpg?h=4362216e&itok=v3heMijA)
Exploring Size - Smelly Balloons
Books with Companion Poster and Video
![Image showing an illustration of a Mars rover](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/about/Rover.png?itok=CqQxsPg9)
Is That Robot Real? children's book and poster
!["How Small is Nano?" with five images of various cells and a ruler just below](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/about/How_Small_is_Nano.png?h=370c9e7d&itok=2DIctLsZ)
How Small Is Nano? Book and Poster
![A photo showing the 1 centimeter width of a finger](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/4767/Screen_shot_2010-06-09_at_1.35.57_PM.png?itok=IVlEDwVk)
How Small is Nano? video
Scale Ladders, Zoom Posters and Videos
![a scale ladder from the macro to the nano size](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/about/Scale_Ladder.png?itok=OvDD5RaI)
Scale Ladder
![Poster image showing a gecko and gecko-inspired robot](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/8891/posters.png?itok=x7gYplIJ)
NanoDays Key Concepts Posters
![Close up magnified image of a microchip](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/10831/2000x.jpg?h=96dfc06c&itok=ZbfAIMs-)
Zoom into a Microchip video
![A lotus leaves in a small, man-made concrete pond.](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/9072/lotus_leaf_rep_image.png?h=102304da&itok=MqxUhi7C)
Zoom into a Lotus Leaf video
![Poster of abstract art featuring large objects and zooming into the atomic level](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/about/everythingatoms_copy_0.jpg?itok=hwvnJ9mU)
Combined Zoom Poster: Everything Is Made of Atoms - Butterfly, Bloodstream, Computer Chip
![Hyman bloodstream across ten orders of magnitude poster with annotation](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/about/annblood4_copy_0.jpg?itok=_J3-f6Xp)
Zoom Into the Human Bloodstream poster
![Poster illustration a zoomed image from graphene pencil line down to the molecular level](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/10248/zoom_into_graphone_from_a_pencil_with_an_atomic_force_micsroscope_afm__thumbnail.jpg?h=6f2ed6e1&itok=xkKqGwQq)
Zoom into a Pencil Line of Graphene with an Atomic Force Microscope (AFM) - Illustration
![Computer chip across ten orders of magnitude poster with annotation](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/about/annzoomchip_copy.jpg?itok=cuCEP3-c)
Zoom Into a Computer Chip posters
![Image showing the full butterfly's wing poster with annotation](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/about/annbuttwing_copy.jpg?itok=uqnygexj)
Zoom Into a Butterfly Wing poster
Best Practices for Scale Ladders
![A screenshot of the zoom into a nasturtium leaf interactive starting with a nasturtium leaf.](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/about/Nasturtium_screenshot.png?h=6b035c51&itok=4ohzrJxL)
Visualizations at the Nanoscale
![a scale ladder from the macro to the nano size](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/about/Scale_Ladder.png?itok=OvDD5RaI)
Guidelines for the Design and Use of Scale Ladders
Annual Events Incorporating Measurement and Scale
Pi Day and International Day of Mathematics (March 14)
- UNESCO: International Day of Mathematics: https://en.unesco.org/commemorations/mathematics
- https://www.piday.org/
- NASA Pi Day posters https://www.jpl.nasa.gov/edu/nasapidaychallenge
- NASA 10 ways to Celebrate Pi Day
- 18 Ways NASA Uses Pi
- Howtosmile.org Pi activities https://www.howtosmile.org/resource-search/pi
NanoDays (last weekend in March - first weekend in April)
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2022: March 26-April 3
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2023: March 25-April 2
- NanoDays website: www.nisenet.org/nanodays
Mathematics and Statistics Awareness Month (April)
- National Math Festival https://www.nationalmathfestival.org
World Quantum Day (April 14)
National Math Festival (mid-April)
DNA Day (April 25)
- National DNA Day website
- DNA Nanotechnology hands-on activity
- Exploring Structures - DNA (NanoDays 2012) hands-on activity
National Nano Day (October 9th)
- National Nanotechnology Day (#NationalNanoDay) is an annual celebration and pays homage to the nanometer scale, 10–9 meters.
- https://www.nano.gov/nationalnanoday
- NanoDays website for hands-on activities and resources: www.nisenet.org/nanodays
Metric Day (October 10th)
- Howtosmile.org metric activities https://www.howtosmile.org/resource-search/metric
![Working with STEM Experts Guide cover including an image of expert puring a liquid and using a strainer with a girl and her family at a museum public event](/sites/default/files/styles/copy_50/public/2021-10/Working%20with%20STEM%20Experts%20Guide%20cover%20including%20an%20image%20of%20expert%20%20puring%20a%20liquid%20and%20using%20a%20strainer%20with%20a%20girl%20and%20her%20family%20at%20a%20museum%20public%20event%20CREDIT%20Marbles%20Kids%20Museum%20CROPPED.jpg?itok=O819TbQo)
Finding STEM Experts
- See the "Computer Science, Math, Statistics" and "Engineering, Technology, Material Science, and Nanoscale Science" sections of the Working with STEM Experts: A Guide for Educators in Museums and Other Informal Learning Settings
More activities
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Howtosmile.org measuring https://www.howtosmile.org/resource-search/measuring
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Howtosmile.org size https://www.howtosmile.org/resource-search/size
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Howtosmile.org scale https://www.howtosmile.org/resource-search/scale
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Howtosmile.org math https://www.howtosmile.org/resource-search/math
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Howtosmile.org metric https://www.howtosmile.org/resource-search/metric