Curated OER
The Cuisenaire Four-Pan Algebra Balance: Limitations and Suggestions
Students illustrate the concept of balancing equations using a Four-Pan Algebra Balance. In this balancing lesson, students visualize why it is necessary to add or subtract the same quantity on both sides of an equation when solving...
Shodor Education Foundation
Marbles
Grab some marbles from a bag. The applet simulates drawing marbles from a bag. Pupils determine the number of four colors of marbles in a bag and how many marbles to draw. Using information on whether order matters in the draw and if...
National Endowment for the Humanities
Kate Chopin's The Awakening: Searching for Women and Identity in Chopin's "The Awakening"
The final lesson of a three-part series on Kate Chopin's The Awakening has scholars investigate life as a woman in late nineteenth-century America. They research the role of women in society through the eyes of the characters in the...
Curated OER
Scientific Method Experiment: Factors Affecting How Ice Melts
Young scholars demonstrate the scientific method by conducting an ice cube melting experiment. They make predictions and observations, and conclude what factors make ice melt more slowly or quickly than normal.
Teach Engineering
Egg-cellent Landing
The classic egg-drop experiment gets a new bounce with an activity that asks pairs to design a lander similar to one used to land a rover on Mars within a fixed budget. The activity provides a great introduction to the idea of...
Curated OER
Setting Goals Project
In this goal-setting worksheet, teachers communicate with parents an effective strategy for achieving success. Teachers, parents and students work together to set personal goals and discuss how they will be accomplished.
University  of Colorado
Patterns and Fingerprints
Human fingerprint patterns are the result of layers of skin growing at different paces, thus causing the layers to pull on each other forming ridges. Here, groups of learners see how patterns and fingerprints assist scientists in a...
US Geological Survey
Water, Water, Everywhere?
Less than one percent of the earth's water is available for human use. A hands-on activity models the phenomenon for young scientists. Beginning with a specific volume of water, learners remove water that correlates to the percent of...
K12 Reader
Antonym Animals
What's the antonym for wild? What's the opposite of young? Young readers identify the antonyms in a series of ten sentences. Next, they jot down the word pairs to reinforce the relationship between each set of antonym.
Curated OER
The Lion, the Witch and the Wardrobe: Me Test
Get to know your scholars with this in-depth survey that asks learners to rate, answer true or false, write short answers, and draw abstract visuals about their academic and personal preferences.
Teach Engineering
Organic Solar Energy and Berries
You can eat a solar cell? A unit on solar energy begins with a discussion about organic solar cells, followed by directions on how to build your own. After following the teacher's directions to build an anthocyanin...
Q Continuum
Planets
Have you ever looked up at the night sky and wondered what constellation you were seeing or whether that bright object was a star or a planet? Are you searching for the best tilt-to-view constellation and planet app that money can't buy?...
Freecloud Design
Stack the States™
Kids have fun learning US geography and state facts, including capitals, nicknames, major cities, and landmarks. They can choose between the game, or informational flashcards for each state.
Freecloud Design
Stack the Countries™
This resource does an excellent job of engaging and educating people on world geography. It includes informational flashcards as well as games. Though the graphics are designed for elementary players, people of all ages will...
Tiny Mobile
Poetry Creator | Verses
Construct from a canvas of words, lyrical expressions that your budding poets can share and post.  Based on refrigerator magnet poetry, creative writers can develop their poetry independently, or from a given prompt from their...
NASA
NASA Visualization Explorer
Read some of the most up-to-date information available from NASA's current Earth and space research! Along with showcased stories, you will find computer animations and satellite images that help you to view what humans cannot see with...
K12 Inc.
K12 Periodic Table of the Elements
For anyone learning or teaching chemistry, nothing beats a free and interactive periodic table of the elements. Peruse the elements while learning about atomic number and mass, melting and boiling points, and many other properties of...
GiggleUp Kids
Happy Little Farmer
Pre-readers and primaries can help farmer rabbit to plant some delicious fruits and vegetables. From soil preparation and pest control, all the way to the harvest, little ones participate in the entire process!
Mind Snacks
Learn Spanish - MindSnacks
Cómo se dice 'fun' en Español? After playing a few of these engaging, vocabulary-centered games, your young language learners will be able to tell you! This is sure to become a favorite app in any Spanish class.
Mind Snacks
Learn Chinese (Mandarin) - MindSnacks
Acquire over 1000 Chinese words while playing games! Mandarin Chinese, one of the most desired languages in business and technology, is the focus of this teaching tool. Users will pick up vocabulary and practice tones, all while tapping...
Instant Interactive
Math Drills
Get ready, set, go! This app will have your young mathematicians striving for first place as they work on their basic math skills.  
Illustrative Mathematics
Sale!
Everyone loves a sale, and this worksheet allows learners to calculate which sale is more rewarding. The activity can be adapted for different thinking contexts. The answer key describes different answer choices, some being higher...
Illustrative Mathematics
Area of a Trapezoid
Here is a straightforward example of how to apply the Pythagorean Theorem to find an unknown side-length of a trapezoid. Commentary gives additional information on proving that the inside of the trapezoid is a rectangle, but is...
Illustrative Mathematics
Calculating and Rounding Numbers
Mathematicians need to know that not all numbers are rational. We approximate irrational number with rational numbers. That is why a calculator may be misleading. This task give learners an opportunity to see how rounding a number and...
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