Exploratorium
Radioactive Decay Model
Toss 100 pennies (or poker chips or any other two-different-sided objects) and remove all of those displaying tails. Line them up and repeat. The lines of pennies collected get smaller each time, successfully representing half-life.
National Nanotechnology Infrastructure Network
Noodling Around: Powers of Ten
How many noodles long is your classroom? Find out when engineers of all ages explore measurement through the use of pool noodles. With the noodles pre-cut to certain metric lengths, the activities could be used to introduce the metric...
Exploratorium
Moire Patterns
By overlapping combs and window screening and by looking at a printed set of consecutively larger circles, learners observe Moire patterns, which provide a visual of what happens during wave interference.
Curated OER
Evernote
Here is an app version of a powerful tool that allows you and your students to have one place where you can capture, organize, and share items in multiple media formats. The different uses for this app are as varied as your ideas and...
Center for Civic Education
The Equal Rights Amendment in the 1970s and Today
Discover the fascinating history of the Equal Rights Amendment and discuss the major implications and considerations associated with it today. Here you will find background information on the topic, a graphic organizer summarizing...
iCivics
The “Supreme” in Supreme Court
Does a public school have the right to restrict what t-shirts students wear? Discover what happened when this question was brought to the Supreme Court, and review other major cases in United States history involving judicial review....
Exploratorium
Bridge Light
An illuminating activity demonstrates how interference of light waves creates a pattern. Using Plexiglas™ and construction paper, participants see rainbows appear as they twist or press against the plastic plates. After the activity, you...
Baseball Scorecard
The Baseball Scorecard
Are you coaching baseball and out of scorecards for your next game? Print one of the documents found in this resource and don't miss the opportunity to track your team's progress. While the primary resource is a standard scorecard to...
US Youth Wrestling
Wrestling Score Sheets
With pre-filled scores that coaches can circle as the match takes place, this is a great standard score sheet for wrestling competitions. Consider not only keeping these as records of matches and overall progress, but also to give to...
Exploratorium
Polarized Sunglasses
Reflected waves of light move within a plane, and because of this, polarizing materials can reduce the glare our eyes see. This resource explains how to set up a demonstration of this effect. Consider it for use in your physical science...
Exploratorium
Laser Jello
The concepts of refraction and reflection gel with your physical science class during this colorful exploration. Shining lasers through Petri-dish-shaped gelatin desserts, they will notice how the light travels and bounces off the sides....
Exploratorium
Inverse Square Law
The inverse square law is revealed when your class participates in this activity. They move a graph paper or perfboard square back and forth in a square of light to see how the intensity changes. You will definitely want to add this...
iCivics
Mock Election
Here is an excellent resource in which class members host a mock election for a candidate and policy that will be implemented into your very own classroom. Progressing from primaries, through the campaign trail, and finally to the mock...
iCivics
Taxation
A paycheck stub can offer loads of information on the taxes American citizens pay. This resource not only includes analysis of a stub as an activity, but also provides a wealth of informative reading material on such topics as the...
Exploratorium
Blue Sky
Use a container full of water as a prism and show that as light is bent, the individual colors from different wavelengths become visible. This explains why the sky appears to be blue midday, and why as the sun nears the horizon, it looks...
Exploratorium
Balancing Ball
Demonstrate lift to the class that is studying aerodynamics. In the stream of air produced by a blow dryer, little physicists place a wad of tissue paper and a spherical figure to compare. Or, if you have a vacuum cleaner and beach ball,...
Exploratorium
Balancing Stick
Have some physical science fun when studying the center of gravity or center of mass. Simply have balancing artists stand a dowel on one finger and keep it from falling over! A lump of clay is added and moved up along the dowel over a...
University of Arkansas
Assessment and Discussion
"Without concerned citizen action to uphold them (human rights) close to home; we shall look in vain for progress in the larger world. . ." Eleanor Roosevelt's comment is used to set the stage for the conclusion of a five-activity unit...
University of Arkansas
Our Responsibilities
The fourth in a five-instructional activity unit examining human rights and personal responsibility asks class groups to investigate a current rights issue, and using the provided graphic organizer, summarize the issue, consider which...
University of Arkansas
Individuals Making a Difference
The focus of this, the third in a five-activity unit study of human rights, is on individuals who made a difference. Billy Bowlegs, Dr. Sun Yat Sen, Fannie Lou Hamer, Michi Weglyn, and Yuri Koshiyama are some of the people class members...
Institute of Electrical and Electronics Engineers
Dispenser Designs
After reading about the history of tape dispensers, learners compare and contrast different dispenser designs. Next, teams work within budgetary and time constraints to design a better dispenser. When finished, each engineer reflects on...
Blogger
Problem Solving Strategies
Eight mini-posters remind your math class of strategies to try when attacking a problem. Print each one on a different brightly colored piece of paper, laminate, and post in your classroom for year-long reference. Strategies...
TED-Ed
The Fundamentals of Space-Time: Part 3
If you weren't already blown away by first two installments, check out this clip on how gravity and space-time interact! Our physicist friends, Pontzen and Whyntie, continue their discussion of these motion concepts for your high...
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...