Search Results
Showing results 241 to 260 of 422
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-490.jpg?itok=Fz0FEC6m)
Static Water
Source Institutions
In this activity, learners will use static elecricity to bend a stream of water without touching it. Learners will explore physics and cause and effect through this activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-264.jpg?itok=azjudSTv)
Floating Head Cup
Source Institutions
In this activity, learners watch a figure "magically" float up through the air.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-590.png?itok=vUnrXyXl)
How does the Atmosphere keep the Earth Warmer?
Source Institutions
In this activity, learners simulate the energy transfer between the earth and space by using the light from a desk lamp desk lamp with an incandescent bulb and a stack of glass plates.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-335.png?itok=CRarAbFR)
Changing Colors
Source Institutions
In this challenge, learners have to figure out in what order to combine five solutions to change the color from clear, to yellow, to blue, and back to clear.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-645.gif?itok=mU6P_hOD)
Sweat Spot
Source Institutions
In this activity, learners use a chemical reaction to visualize where moisture forms on the body.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-678.png?itok=KUwm04GA)
Masses & Springs
Source Institutions
In this online activity, learners use a realistic mass and spring laboratory. They hang masses from springs and adjust the spring stiffness and damping.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-650.jpg?itok=P1LZ5QF-)
Kaleidoscope
Source Institutions
In this activity, learners investigate the reflective properties of light and mirrors as they make a kaleidoscope.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-219.png?itok=0UM0dkaf)
Translating an Alien Message
Source Institutions
In this activity, learners work together to interpret an "alien message." The group pretends that this is the only message from an imaginary civilization, so there is no "key" and thus no "correct" wa
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-615.jpg?itok=U8ER1iZ2)
Polishing Pennies
Source Institutions
In this experiment, learners try different liquids to see which ones clean pennies best. Liquids to try include water, lemon juice, cola, vinegar, and dishwashing detergent.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-333.gif?itok=m1XW72JR)
Motor Learning
Source Institutions
In this activity (26th on the page), learners construct an easy-to-build device and test motor learning.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-974.png?itok=pGOj_CCM)
Fruit Juice Mystery
Source Institutions
In this chemistry challenge, learners work to figure out which of four juices are real, and which is just food coloring and sugar.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-554.png?itok=5zN9zMEk)
Size and Scale: Probing and Predicting
Source Institutions
In this quick activity about predicting (located on page 2 of the PDF under Where's Nano?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-497.jpg?itok=D_Wc-lFz)
Ice Cream
Source Institutions
In this chemistry activity, learners use the lowered freezing point of water to chill another mixture (ice cream) to the solid state.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-391.jpg?itok=QG8lsgYh)
Candy Chromatography
Source Institutions
Learners analyze candy-coated sweets using chromatography. Learners use this method to separate the various dyes used to make colored candy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-438.jpg?itok=NOPsC7xL)
Traveling Seeds
Source Institutions
In this activity, learners make three different "seed" types and determine which design flies the farthest.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-096.jpg?itok=L8PXzkZP)
Color Me Blue
Source Institutions
In this activity, learners add dilute bleach solution to water that has been dyed with yellow, blue, and green food color.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-233.jpg?itok=Z9DOcBkL)
Rollin’ Rollin' Rollin'
Source Institutions
In this physics activity (page 12 of the PDF), learners explore potential and kinetic energy by rolling different sized marbles down an inclined plane.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-582.jpg?itok=Wfj5iTbO)
Penny Drop
Source Institutions
In this quick activity about the properties of water (page 1 of PDF under SciGirls Activity: Malformed Frogs), learners will use an eyedropper to slowly place one drop of water at a time onto a penny,
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-652.jpg?itok=sYojSBlg)
Mystery Sand
Source Institutions
In this activity, learners play with surprising sand that doesn’t get wet! Learners explore how water behaves differently when it comes in contact with "magic sand" and regular sand.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-632.png?itok=puioppt0)
Piles of Pennies
Source Institutions
In this coin math activity, learners sort and stack 100 (one hundred) pennies into piles of 5 pennies each, 10 pennies each, and 20 pennies each.