A Tangled Web
Help Itzi the spider climb the clock to rescue his family! Solve angle puzzles to reveal a path through each level’s maze of tangled webs.
Addition Blocks
Test your addition skills and speed! Destroy falling sum blocks by clicking on connected digit blocks. Add fast, or the sum blocks will stack up!
After the Storm: Day One
A hurricane has just hit the city of Port Douglas. As editor-in-chief of an online magazine, can you help the residents weather the storm?
American Revolution Timeline
Explore the events of the American Revolution by examining key objects, weapons, documents, and art.
Argument Wars
Test out your persuasive abilities by arguing real Supreme Court cases. Craft the strongest argument to defeat the opposing lawyer and win!
Ayiti: The Cost of Life
Learn about the challenges of poverty by managing the budget, health, education, and work life of a family of five in rural Haiti.
Battleship Numberline
Collect stars and explode paper ships by estimating their position on a number line. This game is used for educational research. Small aspects of gameplay will vary.
Blockly: Maze
You can code! Build a simple computer application by programming “tag” blocks to reach your target – no typing required. (Not compatible with IE8)
Branches of Government
Which branch is it? Sort powers of the U.S. government into three branches: Legislative, Executive, and Judicial.
Branches of Power
Do something that no one else can: control all three branches of government at the same time!
Build a Solar System
Build your own solar system! Discover how gravity can create very different systems of planets and stars that change over time.
Build-A-Body: Digestive System
Learn about the human digestive system with this fascinating drag-and-drop interactive. You'll never look at digestion the same way again!
Learn about the structures and substructures of a sugar maple tree with this drag and drop interactive.
CSI: Flight Adventure's Flight School
Practice flying an FPG9. Once you’ve mastered the basics, move on to earn your wings. If you earn gold wings, you can even try landing the Space Shuttle!
CSI: Flight Adventure's Forces of Flight
Build a plane that's ready for flight! Choose a body size, wing shape and engine size to balance the forces of flight and make your plane reach the finish line.
Checks and Balances
Can you balance the power of the U.S. government's three branches?
Chef Solus' Build-a-Meal
Can you balance your diet? Help Chef Solus build the perfect meals for one full day. Don’t forget to look for hidden food items!
Help Tim and Moby master the Chronopticon, a time machine based on the motions of the Earth-Moon-Sun system.
Citizen Science
Travel in time to save a lake from pollution! Build strong arguments so people will change their behaviors for the benefit of all.
Close-Knit Neighbors
Create a sustainable ecosystem by correctly layering the different communities in our Winogradsky Column.
Code Fred: Survival Mode
Use the systems of the human body to help Fred escape a hungry wolf!
CodeMonkey: Real Coding
Use coding skills to program a monkey to grab bananas and ride the turtle without falling into the river! This game is not compatible with Safari.
Use the lab to construct your own dinosaur. Then, unleash it into the wild and lead it home!
Control of the Cell Cycle
As Cell Division Supervisor, you must ensure that each cell-cycle stage occurs in the correct order so that millions of cells can divide!
Cool Science Careers: Imagine Yourself
See what it’s like to be a scientist! Choose between four different careers and test your scientific, deductive, and analytical skills.
Court Quest
Help people around the U.S. navigate our court system. Listen carefully to each case, so you can guide them to the right place!
Deep Sea Duel
Okta challenges you to a duel! Be the first to choose cards with a specified sum, and you win. But be careful — Okta will try to outsmart you!
Turn funky salt water into safe drinkable water! Set intake depths, build a workable plant, and make the world a less thirsty place.
Dig It
Create and locate fractions on a number line to guide your shovel. Earn points by digging and collecting jewels. Not compatible with Safari.
Do I Have a Right
Run your own constitutional law firm! Match clients with lawyers who can meet their needs. The more cases won, the faster your firm grows!
Drafting Board: Community Service
Should students be required to perform community service? Choose an argument and support your claim with this essay builder! This game is not compatible with Safari.
Drafting Board: Electoral College
Should the U.S. President be elected by the Electoral College or by popular vote? Choose an argument and support your claim with this essay builder! This game is not compatible with Safari.
Drafting Board: Interest Groups
Do special interest groups help or harm our political system? Choose an argument and support your claim with this essay builder! This game is not compatible with Safari.
Drafting Board: Kids and Credit
Should kids under the age of 18 be given access to credit cards? Choose an argument and support your claim with this essay builder! This game is not compatible with Safari.
Drafting Board: Military Intervention
Should countries send armed forces to resolve other nations’ conflicts? Support your claim with this essay builder! This game is not compatible with Safari.
Drafting Board: Student Expression
Build your best argument with Drafting Board's online essay builder! This game is not compatible with Safari.
Drake Equation
Are we alone? Use the Drake Equation to estimate the likelihood of intelligent life elsewhere in the universe.
Drop Zone
Drop in for some fun! Make sums of 1 and stop your opponent from doing the same. Practice adding fractions with like and unlike denominators. Not compatible with Safari.
Executive Command
Step into the President's shoes! Do your best to run a government while keeping the country's citizens healthy and safe.
Flower Power
Grow and harvest flowers to make money in this order-'em-up fractions game. Remember to wait for the bee!
Fly to Mars
Can you launch a spacecraft from Earth so that it successfully reaches Mars? It's trickier than it sounds!
Food Chain Game
Food chains come to life! When a chain is correctly put together, it turns into an animated working chain!
Food Fight
Have fun learning about food webs in this two-player game of survival on the Serengeti!
Game Over Gopher
Stop hungry gophers from eating a prized carrot! Freeze or feed the gophers, and defend the carrot by graphing values on a coordinate plane.
Use multiplication and the power of place values to defeat shadowy monsters and restore light to the world!
Go Vector Go
Help Vector the train get to the station, collect rewards, and avoid dynamite! Use thrusters, slope and friction to hit your target.
Guts and Bolts
Learn about the interplay of human body systems as you help Moby construct a cyborg Tim!
Immune System Defender
Your skin has been breached! Fight off invading bacteria by commanding teams of specialized cells before infection sets in.
Feeling impulsive? Propel particles, avoiding destruction as you make your way to the goal. Take it fast, take it slow, just don’t crash!
Start as an Asian carp, and then drive a simulation to prevent this invasive species from entering Lake Michigan.
Jelly Bean
Jelly Bean is a sweet way to build number sense! Practice concepts such as estimation and solving equations using yummy jelly candies.
Law Craft
As a member of the U.S. Congress, you'll draft a bill on an issue you believe in, then take it through the full law-making process!
Life Preservers
Learn about adaptation, evolution, and the history of life on Earth as you travel through space as an alien life protecter.
Lord of the Flies
Did you read William Golding’s “Lord of the Flies”? If so, challenge your memory with this game!
Lure of the Labyrinth: Employee Cafeteria
Hungry monsters come to feed here. Your mission: Figure out what they want to eat using ratios, multiplication, division, and factoring!
Lure of the Labyrinth: Employee Lounge
Use prime numbers factoring, multiplication, division, and integers to feed the monster boss a snack!
Lure of the Labyrinth: Mine Shaft
Command demolition robots using factoring, multiplication, and division. It takes concentration (and a little geometry) to keep your bots on the right path!
Matter Sorter
Sort falling objects based on their state of matter before time runs out!
MedMyst Animal Alert!
A mysterious disease is affecting people and animals in a distant tropical region. Identify the illness and stop a major outbreak!
Isolate a single microorganism that is causing a dangerous plague outbreak!
Mission US: A Cheyenne Odyssey
It’s 1866. You are Little Fox, a Northern Cheyenne boy. Can you help your tribe survive life on the plains?
Monster School Bus
Combine little monsters to make as few trips as possible as you drive around the neighborhood on your monster school bus!
Multiplication Blocks
Test your speed and skills! Click on connected factor blocks to destroy the falling product block. Think quickly, or time will run out!
Ninja Kitchen
You’re a ninja – and a short order cook. Prepare and serve food safely before your customers walk away. And don’t make anyone sick!
Number Jumble
Find the patterns in the numbers to clear the board! In the process, build your skills for multiplying whole numbers and decimals.
As a doctor in a cancer therapy clinic, you'll consult with patients to decide on treatments and learn to work the radiation equipment.
One Man Band
Create your own music with your very own One Man Band!
Pavlov's Dog
Can you train a dog to drool on command? Here you can find out about conditioned reflexes!
Pearl Diver
Navigate the number line while diving amidst sunken ruins. Will you find a pearl or an old boot? Watch out for the electric eel!
Primary Krypto
This mathematical puzzle game will test your knowledge of arithmetic and order of operations.
Project T.R.I.G.
As a member of Project T.R.I.G., you'll need your best math skills to send projectiles of supplies to a village under siege.
Pyramid Panic
As an Egyptian pharaoh mummified by mistake, you'll need to break out your geometry skills to escape from a pyramid!
Shape the future of a new society while recognizing ethical issues and making decisions based on evidence and differing points of view.
Do you think you can play teacher and correct someone else's writing? You'll have to know your prepositional phrases, pronouns, and commonly confused words! This game is not playable on Internet Explorer 9.
Ratio Rumble
The battle is on in this ratio-building game. Out-compete your opponents by making powerful potions.
Save animals stuck in space by applying what you know about fractions!
Search Shark
The Internet is deep and filled with treasure, but searching can be tricky without the right keywords. Can you find what you're looking for?
Share Jumper
Posting stuff online can be as fun as jumping on a trampoline! But sharing the wrong info can make you fall. Can you make the right choices?
Simple Machines
Help Twitch do his late-night work in the Museum workshop by creating simple machines.
Sizing Up the Universe
Ever wondered how big the Earth would be if Pluto was the size of a pea? This fun interactive brings the whole universe down to size.
Slice Fractions: School Edition
Pop balloons, slice ice, and solve fraction mysteries to guide the woolly mammoth across rough terrain! How many crazy hats can you get for the mammoth?
Show what you know about BrainPOP topics by strategically categorizing tiles into the bins where they belong.
Sortify: American Indian History
Categorize and sort traditional American Indian tribes and attributes of Native American groups before Columbus.
Sortify: American Revolution
Sort colonists and events leading to the American Revolution by common characteristics; pair cause and effect; and order future Presidents.
Sortify: Angles
Categorize and sort angles by type and fill in the blanks to determine the missing angle values.
Sortify: Continents and Oceans
Sort continents, countries and seas by geographic themes and order them by attributes such as land mass, population and proximity to oceans.
Sortify: Current Electricity
Sort energy sources and energy loads and categorize electricity terms by units, paths, voltages, and types of current.
Sortify: Elements of the Periodic Table
Sort elements of the periodic table by attributes, such as symbol and group, and order by atomic mass and valence electrons.
Sortify: Multiplication
Practice multiplication and division by sorting numbers into multiples and factors of given numerals.
Sortify: Musical Instruments
Categorize and sort music makers including woodwind, percussion, string, and brass instruments by common attributes and origins.
Sortify: Natural Resources
Sort Earth's resources into origins and categories, including renewable, nonrenewable and recyclable, and connect raw and finished products.
Sortify: Nouns
Sort nouns into categories, change them to plural and adjective forms, and use them to complete a sentence.
Sortify: Nutrition
Categorize foods as grains, vegetables, proteins, and dairy; sort foods by nutrient content; and group food items into balanced meals.
Sortify: Parts of Speech
Show what you know about Parts of Speech by craftily categorizing tiles into the bins where they belong.
Sortify: Space Exploration
How well do you know your cosmic neighborhood? Sort through celestial bodies, spacecraft, astronauts, and astronomers to demonstrate your Solar System smarts. Use categorizing strategies to earn high-stratosphere points!
Sortify: U.S. Constitution
Sort concepts of the U.S. government, including personal rights, the three branches, state powers, and the Supreme Court, into categories.
Sortify: World-Changing Women
Use strategy to up your points! Show your knowledge of World-Changing Women by sorting these current and historical figures according to self-selected categories.
Find space treasure with physics! As a member of the starship Copernicus, you’ll use force, motion, and mass to recover lost riches.
Square Off
Perimeter, area, and alien spaceships — oh, my! The more ships you capture and area you cover, the more you score. Not compatible with Safari.
Supreme Decision
Ever wonder how the Supreme Court really works? In Supreme Decision, you help cast the deciding vote.
The Diabetic Dog Game
Can you care for a dog with diabetes? Keep your dog's blood sugar at healthy levels, and you'll earn money to spend on doggie treats!
The Ruby Realm
Can you help Biobot Bob find treasure and rescue your friends from a cave full of bats and vampires? Keep Bob running by using photosynthesis to boost his energy levels.
The Sports Network 2
The sports media company TSN-2 is losing its teen audience! As Managing Director, you have to find the best way to get them back—and fast.
Treefrog Treasure
Learn numberline concepts while jumping, bouncing, sliding, and sticking to walls as a frog!
Turtle Academy
With a “turtle” as your guide, learn to code and run simple programs in Logo, a popular visual programming language. (Not compatible with IE8)
Tynker: 15-Block Challenge
Create your own animation with programming blocks! What’s the coolest scene you can code using only 15 blocks? (Not compatible with Safari).
Tynker: Lost In Space
Biff the spaceman has crash landed onto a deserted asteroid. Help him reach his moon base by solving these coding puzzles! (Not compatible with Safari).
Tynker: Puppy Adventure
After a day in the park, Pixel’s left behind. Connect visual code blocks in the right way to help him avoid obstacles and get back home. (Not compatible with Safari)
Tynker: Sketch Racer
Program Snap the turtle to draw shapes and patterns using simple commands that he can understand. (Not compatible with Safari).
Virtual Labs: Acidifying Salsa
Don’t sell contaminated salsa! Step into the virtual lab and make sure Spicy Salsa Company’s product is safe by adjusting its pH to the target level.
Virtual Labs: Disposable Lab Equipment
You’re a technician in the lab! Sample bacteria in pasteurized and raw milk and then incubate the bacteria and count the colonies.
Virtual Labs: Gram Staining
Ignite your Bunsen burner! Prepare a sample of yogurt for microscope viewing and learn how staining can help detect harmful bacteria.
Virtual Labs: Testing for Corn Mold
Mold on corn can produce toxins that make people sick. Learn how to use black light (UV light) to detect mold on corn, then test it further in the laboratory to see whether it contains aflatoxin.
Virtual Labs: Using the Microscope
How powerful is your lens? Learn how to view super-small objects by handling the parts of a compound optical microscope.
Virtual Labs: pH Scale and Meter Calibration
Acid or base? Test the pH of common liquids and learn how pH can determine whether food is safe to eat. Then, calibrate your pH meter and use it in a virtual lab!
What Plants Need
Revive a dying plant and help it thrive by adjusting its light, atmosphere, and soil. Watch what these changes do on a cellular level, too!
Win the White House
Hit the campaign trail! Raise money, poll voters, and make strategic decisions to win your 270 electoral votes en route to the presidency.