Search Results
Showing results 21 to 40 of 117
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-147.png?itok=pEwd6l7U)
Crunch Time
Source Institutions
In this quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-315.png?itok=VfNHjyRw)
Balloon Car
Source Institutions
In this physics activity, challenge learners to make and race a balloon-powered car. Learners construct the body out of a paper cup, wheels out of wooden spools. and fuel tank out of a balloon.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-301.png?itok=ws5OTm1j)
Pencil Balance
Source Institutions
In this activity, challenge learners to make a pencil stand on its tip using only two pieces of wire and two clothespins. Use this activity to demonstrate the center of gravity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-750.jpg?itok=nXtUwiJP)
Hollandaise Sauce: Emulsion at Work
Source Institutions
In this activity, learners follow a recipe to make hollandaise sauce. Learners discover how cooks use egg yolks to blend oil and water together into a smooth mix.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-752.gif?itok=IIgYSLW1)
Supercooled Water Drops
Source Institutions
In this activity, learners touch supercooled water drops with an ice crystal and trigger the water drops to freeze instantly.
Become a Master of Inertia
Source Institutions
In this activity, learners explore inertia as they attempt to whip a strip of paper out from under two coins dangling on the rim of a water glass.
What Causes Rainbows?
Source Institutions
In this activity, learners explore how and why rainbows form by creating rainbows in a variety of ways using simple materials. Learners create rainbows indoors and outdoors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-649.jpg?itok=RyL3gdBj)
Invisible Sunblock
Source Institutions
In this activity, learners find out why some mineral sunblock rubs in clear. Learners compare nano and non-nano sunblocks and discover how particle size affects visibility.
How Many In a Minute
Source Institutions
In this activity, learners will keep track of how much they can do in one minute. Instructors can pick something everyone will do for a minute, such as jumping up and down or drawing stars.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-837.png?itok=uGUTztRx)
Piles of Paper: Estimate Paper Use
Source Institutions
In this activity, learners keep track of how much paper the group uses in a week. Build awareness of paper waste, while strengthening measurement and estimation skills.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-224.jpg?itok=SXL_8MHs)
Glider
Source Institutions
In this activity, learners construct a paper glider to experiment with aerodynamic forces.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-511.jpg?itok=-Ar4N6xi)
Dancing Spaghetti
Source Institutions
In this chemistry activity, learners use spaghetti to explore density and chemical reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-173.jpg?itok=yb3czvSM)
¡Separando Colores!
Source Institutions
En esta actividad, los aprendices aprenderán que es la cromatografía y cómo usarla para separar diferentes sustancias - en este caso,usarán los colores.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-308.png?itok=S9o75ybI)
Stereo Hanger
Source Institutions
In this activity, learners investigate sound wave science, in stereo! Learners construct a "stereo" out of a metal coat hanger and piece of string to explore sound vibrations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-282.png?itok=lDVIDK6v)
Mirror Messages
Source Institutions
In this activity, learners use mirrors to write secret messages to a friend. Use this activity to explore letters, optics, and/or symmetry.
Mystery Jars: Estimate Contents
Source Institutions
This activity puts a mathematical twist on the familiar “guessing jar.” No guesses allowed, estimates only.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-681.jpg?itok=Fhzd3Jvk)
Magnetic Shielding: Magnetic lines stop here
Source Institutions
Testing magnets is always a fun pastime, but here, we're going beyond "will it attract the magnet?" In this activity, learners will investigate which materials allow magnetic fields to pass through or
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-924.gif?itok=ud5JOWVA)
Chemical Reactions in Your Mouth
Source Institutions
In this chemistry activity (page 5 of the PDF), learners will see that chewing is more than just the crushing up of food; there is actually a chemical change going on at the same time.
Size Them Up: Learning About Volume and Capacity
Source Institutions
In this activity, learners will put a set of containers in order by capacity. Would the tallest container hold more or less water than the wide, short one?
Fair Shares: Predict Equal Shares
Source Institutions
Use this activity to build division and number sense into any snack time or whenever there is a limited set of things to share among a group: If we deal these out, could everyone get two pieces?