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Breakfast Sweets
Source Institutions
In this math activity, learners guess which cereals contain the most sugar. Learners use the nutrition labels on the cereal boxes to find the cereal with the least amount of sugar.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-481.png?itok=OSjpHEQT)
Erupting Fizz
Source Institutions
This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-786.png?itok=CzqilLxr)
Oboe? Oh, Boy!
Source Institutions
In this activity, learners create a straw oboe to explore sound and pitch.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-651.jpg?itok=voooaDLp)
Ready, Set, Fizz!
Source Institutions
In this activity, learners explore the chemical reaction between water and effervescent antacid tablets. This hands-on activity models how a material can act differently when it's nanometer-sized.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-650.jpg?itok=KtuuriaC)
Rainbow Film
Source Institutions
In this activity, learners use clear nail polish to create a beautiful iridescent pattern on black paper. Learners discover that a thin film creates iridescent, rainbow colors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-164.jpg?itok=Vklhhuc8)
Constellation Tubes
Source Institutions
In this activity, learners will create their very own constellation.
Crystal Garden
Source Institutions
Visitors observe a tray holding a crystal-covered brick. The crystals were created by evaporation of a solution containing liquid bluing, ammonia, and salt.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-988.png?itok=Pr2nEshz)
The Mosquito/El Mosquito: Interactive Sound Game
Source Institutions
In this online activity, learners test their ability to hear different frequencies and compare their frequency range with the frequency range of other animals and insects.
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Space Stations: Measure Up!
Source Institutions
In this activity, learners work in pairs to measure each other's ankles with lengths of string.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-360.png?itok=10I8EgDe)
Virus Lander
Source Institutions
Can you avoid the body's immune system and make someone sick? Play this online game in which you go inside a human body to explore how viruses attack cells in the body.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-744.jpg?itok=WnD7knJA)
Fingerprint Identification
Source Institutions
In this activity (on page 2) about fingerprint analysis, learners use graphite from a pencil and scotch tape to capture their fingerprints.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-494.jpg?itok=xAEO4f8H)
Gluep
Source Institutions
In this chemistry activity, learners make a slimy non-Newtonian fluid called "Gluep." Use this activity to introduce learners to polymers and viscosity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-027.jpg?itok=WCjzeJSo)
Release the Grease!
Source Institutions
In this simple activity (on page 7 of the PDF), learners use water and liquid dish detergent to see which one removes lipstick better from an index card.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-781.png?itok=cr9RwBhD)
Line Up: Using Math To Stand In Line
Source Institutions
Put math of measurement into lining up — and make waiting in line fun. Choose a size characteristic that learners can physically compare, such as foot length or hair length.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-383.jpg?itok=9kKvFCPP)
The Watershed Connection
Source Institutions
In this activity, learners interact with a 3-D model of a watershed to better understand the interconnectedness of terrestrial and aquatic environments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-047.jpg?itok=tAH8_PQN)
Mystery Matter
Source Institutions
This interactive demonstration reintroduces learners to three states of matter (solid, liquid, gas), and introduces them to a fourth state of matter, plasma.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-184.jpg?itok=vJUZxe9P)
Supernovae in the Lives of Stars
Source Institutions
Many people think the different stages in the life of a star are actually different types of stars, rather than just stages in the life of a single star.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-532.png?itok=LtNA0zyD)
Tiny Pants Photo Challenge
Source Institutions
In this activity, learners use a simple trick of perspective to dress friends in tiny cutout clothing. Learners make tiny pants out of card stock and tape them to the end of a stick.
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Zap!
Source Institutions
This online game tests reaction time. The learner controls a computer-generated frog, and must press a button as soon as a fly appears on the game's radar screen or can be heard from the speaker.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-770.jpg?itok=cJZwx7vR)
What's in Your Blood?
Source Institutions
Doctors often send a sample of blood to a lab, to make sure their patients are healthy.