McGraw Hill
Kepler's Third Law Interactive
Common sense says that the farther a planet is from the sun, the longer the orbit. Kepler turned common sense into his third law by quantifying this relationship. Classes explore Kepler's Third Law through an interactive tutorial. They...
CK-12 Foundation
Pythagorean Theorem to Determine Distance: Tree Shadows
Why is that shadow getting longer? Determine the changes in the length of a shadow as the sun changes position in the sky. Individuals use an interactive to calculate the length of a shadow at different times during the day via the...
NASA
Resolving 2-Plane Traffic Conflicts by Changing Route—Problem Set B
Do pilots create appropriate spacing between aircraft by traveling a longer or shorter path? An interactive presents two airplanes that violate safety protocols. Pupils must determine how to change the path of one plane to create the...
CK-12 Foundation
Natural Selection: Of Seasons and Species
Do predators look for different things in different seasons? The quick interactive shows how some species survive longer in one season than another based on the conditions. The challenge questions encourage pupils to demonstrate that...
Colorado State University
Why Is the Sky Purple?
The color of the sky depends on the time of day. Young scholars experiment with scattering different wavelengths of light to recreate the color of the sky. They observe both the longer blue wavelengths and the shorter red and orange...
National Nanotechnology Infrastructure Network
The Effects of Colloidal Silver on Microbial Growth: Investigating Snake Oil Science
Can your classes solve the problem of the smelly sweat sock? Young scientists complete a lab investigation that begins by using electrochemistry to generate colloidal silver. They use their solutions to test the rate of microbial growth...
Physics Classroom
Match That Graph
Matchy-matchy no longer exclusively applies to fashion. Scholars work through three levels of practice matching position and velocity graphs. Part of a series covering dimensional kinematics, each question provides immediate feedback and...
PBS
Earth’s Energy Budget
Is Earth's energy flow a little off balance? Explore our energy budget using a click-through interactive. Scholars discover the many factors that move solar energy around the planet and why the system is no longer in equilibrium.
American Statistical Association
Chunk it!
Chunking information helps you remember that information longer. A hands-on activity tests this theory by having learners collect and analyze their own data. Following their conclusions, they conduct randomization simulations to test...
Scholastic
What’s the Good Word? Etymology Project Guidelines
Who named the shapes, or the days of the week? Should words be removed from the dictionary if they're no longer commonly used? Are there too many words in the English language? Language arts students explore these and additional...
NASA
Atoms, Elements, and Isotopes
Rings and golden nuggets contain the element gold, but how small can you break it down before it is no longer considered gold? A helpful presentation explains the basics about atoms, elements, and isotopes through a presentation.
WE Charity
High School–Module 3: Food Waste
Advances in packaging and refrigeration help keep food fresher longer. That's just one of the ways science is addressing global food waste. With the third of five lessons from the WE Are Innovators—High School Modules set, scholars use...
Meadows Center for Preventing Educational Risk, University of Texas at Austin
Lesson 13 - Multisyllabic Word Reading
One- and two-syllable words may flow from the tongue with ease, but longer words, such as department and volcano, feel like tongue twisters. Scaffolded instruction explains how to break words into their individual syllables, and then...
Serendip
Genetic Engineering Challenge – How Can Scientists Develop a Type of Rice That Could Prevent Vitamin A Deficiency?
Brown rice contains vitamins B and E, while white rice lasts longer in storage. The availability of rice around the world makes it a great candidate for genetic engineering. Scholars apply their knowledge of genetic engineering to solve...
Cold Spring Harbor Laboratory
Development Balances Cell Growth and Death
Cells demonstrate a life cycle like other living things, but what if death was no longer part of the cycle? Learn about the important balance requiring death to continue functioning. An online interactive introduces a group of scientists...
College Board
2001 AP® English Language and Composition Free-Response Questions
Do pictures really last longer? A prompt from the 2001 AP® English Language and Composition Free-Response Questions asks scholars to analyze the opinion that photography actually limits people when it comes to understanding the world....
Encyclopedia Britannica
Political Issue Timeline
As part of a study of US Presidential elections, class members track the history of an issue in the 2020 campaign. They create a timeline to determine if there are any patterns, if ideas about the issue have evolved, or if in issue is no...
C-SPAN
Voting Discrimination and the Effects of Shelby County v. Holder
Show learners that every vote counts as they debate the federal government 's role in protecting voting rights in historically racially discriminated areas. In the Supreme Court case Shelby County v. Holder, the high court found that...
DocsTeach
Patent Analysis: Joseph Glidden's Barbed Wire
Barbed wire may have made cattle farming easier, but it brought to an end the free-roaming days of the plains. No longer could Native American groups continue their nomadic lifestyle, and the days of cowboys herding large groups of...
American Chemical Society
Gas Sudsation
Bring out some bubbly! Individuals perform the classic baking soda and vinegar experiment with a twist. Learners add a drop of dish detergent to make the bubbles last longer. They vary the amount of baking soda and vinegar in an effort...
Center for History Education
Did Southern Free Men of Color Fight for the Ideals of the South?
Much of history is distasteful. Primary sources often reveal attitudes acceptable at the time that no longer are. But to understand controversial historical events, historians must examine primary sources that represent a wide variety of...
American Statistical Association
How Long Are the Words in the Gettysburg Address?
It's 268 words, but one only needs to consider 10 of them at a time. A data collection and analysis activity has learners investigate the lengths of words in the Gettysburg Address. They first self-select a sample of 10 words and...
Facing History and Ourselves
Emoji Emotions
The BC (Before COVID) and AC (After COVID) classrooms differ. Instructors must reestablish protocols and opening and closing routines with learners who are no longer used to in-person learning. The second routine in the series designed...
Curated OER
Length Addition and Subtraction Word Problems
These measurement word problems can be tricky! Scholars will need to keep track of numbers as they determine who has the shortest bed, the longer car key, and a bus longer than nine meters. For each, there is an image depicting the...
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