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Showing results 1 to 20 of 20
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Liquid Body Armor
Source Institutions
In this activity, learners explore how nanotechnology is being used to create new types of protective fabrics.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-970.png?itok=ixSt4N9L)
Which Powder is It?
Source Institutions
In this chemistry challenge, learners identify an unknown white powder by comparing it with common household powders.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-668.jpg?itok=R-joBVdY)
The Electric Squeeze
Source Institutions
In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-744.gif?itok=PyQidntq)
Hot Spot
Source Institutions
In this activity, learners explore the invisible infrared radiation from an electric heater.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-829.jpg?itok=d6a0Bqrc)
Falling Feather
Source Institutions
In this physics activity, learners recreate Galileo's famous experiment, in which he dropped a heavy weight and a light weight from the top of the Leaning Tower of Pisa to show that both weights fall
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-251.jpg?itok=anYJw8Md)
Checking For Starch
Source Institutions
In this chemistry activity (page 3 of the PDF), learners will observe a chemical change, specifically what happens to iodine when it is applied to ripe and unripe apples.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-782.jpg?itok=xLGh1fUi)
What's In Your Breath?
Source Institutions
In this activity, learners test to see if carbon dioxide is present in the air we breathe in and out by using a detector made from red cabbage.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-392.jpg?itok=lTQfQ0iI)
Infant Moon: Moon Mix!
Source Institutions
In this activity, learners investigate the Moon's infancy and model how an ocean of molten rock (magma) helped shape the Moon that we see today.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-391.jpg?itok=r2OzSuPj)
Kid Moon: Splat!
Source Institutions
In this activity, learners model ancient lunar impacts using water balloons.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-417.jpg?itok=-FRpwNbG)
Crayfish Investigations
Source Institutions
This activity has learners interacting with live crayfish, but could be adapted for a variety of similar hardy and interesting organisms.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-271.jpg?itok=xtOTBhOm)
Glass and Mirrors: An Inside Look at Telescopes
Source Institutions
This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-764.jpg?itok=hzDsfBQs)
Anti-Gravity Mirror
Source Institutions
In this demonstration, amaze learners by performing simple tricks using mirrors. These tricks take advantage of how a mirror can reflect your right side so it appears to be your left side.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-976.png?itok=sLSbJoNT)
Finding Colors
Source Institutions
In this chemistry challenge, learners combine acids and bases in a universal indicator to create five different colors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-412.png?itok=w1Ql7myz)
Mars from Above: Carving Channels
Source Institutions
In this activity, learners create channel features with flowing water, comparing their observations to real images of Mars and Earth taken by satellites/orbiters.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-336.png?itok=2cQHulSq)
Carrying Charges: Testing for Conductivity
Source Institutions
Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-394.png?itok=s-UULeqY)
Low-Tech Water Filter for High-Impact Clean
Source Institutions
In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-395.png?itok=t4dbcd_n)
Levers at Play
Source Institutions
In this activity, learners consider how a simple machine, a lever, turns a small push or pull (a small force) into a larger--or stronger--push or pull (a larger force).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-356.png?itok=S11RNn_D)
Moving and Working in Space
Source Institutions
In this activity, groups of four learners must complete a set of four manual tasks. The restrictions are that they must complete the tasks in a limited time while wearing garden or rubber gloves.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-045.jpg?itok=ZTPlixSF)
Bubbles: Using Controls
In this experiment, learners use JOY liquid detergent and glycerin to make the largest bubble they can that lasts 15 seconds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-216.jpg?itok=bYrEqrLq)
Find Your Pack
Source Institutions
This activity introduces learners to wolf behavior and communication.