Science Friday® is produced by the Science Friday Initiative, a 501(c)(3) nonprofit organization.
How does egg dye work, and why do eggs turn out brighter with a little vinegar? Investigate how different acids affect the brightness of egg dyes in this kitchen experiment.
Students at Frederick Douglass Academy in New York City use flight simulators as part of an aeronautics class, with some kids eventually logging flight time in real planes.
In this activity, students will perform an experiment that replicates the dilemma that birds face in acquiring food from a confined area. Students will be given a variety of objects to use as “tools,” and will explore various ways of extracting the food ...
In this activity from the American Association of Chemistry Teachers, students simulate an oil spill and test different materials’ abilities to “clean” the oil spill.
Test which building materials will be resistant to mold after a flood or hurricane.
Create small turtle navigators and use them to detect magnetic fields in this activity and companion game.
Use a measuring cup to figure out the density of snow.
Students hear how 21st century tech has changed exploration, then decide for themselves: "What one piece of technology would you take on your own expedition?"
Make your family hikes so much more fun with these hiking tips.
Build and test a water filter inspired by marine filter feeding organisms.
Our best home experiments and maker projects from 2014.
A home holiday experiment that explores combustion using festive fuels such as fir, pine, spruce, and cedar.
Use a simulation from PhET Interactive Simulations to model force in a tugging competition and a pushed skateboard.
Gather evidence from interviews with scientists about comets, then create a wordy illustration of comet characteristics.
Simulate a sneeze with paint, then graphically determine where most of it lands.
Brookhaven National Laboratory provides a glimpse into the culture of the U.S. Department of Energy's summer undergraduate laboratory internship program.
Experience the Science Club's #ObserveEverything project.
A class keeps tabs on fruit decomposition, someone spies mystery in a lake, and a hiker sits down with an ant.
A celestial event, citizen science, and a variety of natural wonders drew observations in week 2 of Science Friday's Science Club.
We observe: you're amazing! Staff picks from the first week of Science Club's #ObserveEverything
Go out and observe something interesting! Submit your in-depth observations with the hashtag #ObserveEverything.
Can you match each jumping spider dance to its vibratory song?
In this game from Population Education, students must use cooperative decision making strategies to manage a renewable resource.
Use two play dough recipes to create "squishy circuits" and explore electricity.
Three delicious math games you can play on your waffles to build math fact fluency and geometry skills, from the folks at Bedtime Math.
Three approaches for using images as gateways to instruction in grades 4-16
In this experiment, you will test a few common household ingredients to see which is the most effective emulsifier for making salad dressing—and you can eat your results!
Map the spread of tick and mosquito-borne illnesses in the United States using real data.
In this lesson from the Chemical Educational Foundation, apply the concepts of pressure and Newton's laws of motion to build balloon rockets.
Add some pizzazz to your favorite clothing and accessories using some wire, tape, a battery, and an LED.
Learn to speak the language of fireflies and invent your own secret flash code.
In this activity from Science Buddies, you will burn some metal salts to investigate what colors they make, then you'll explain to your family and friends how fireworks colors are made!
In this activity from Science Buddies, kids will create their own hula hoops and investigate how the hoops' masses affect how they spin. Which do you think will spin better, a heavy hoop or a lighter one?
Watch footage of a live octopus to model different ways that these animals can camouflage themselves by changing their body’s texture, shape, size, and color.
In this activity from Science Buddies, you will experiment with how a kite's tail affects how it flies.
In this activity from Science Buddies, you will investigate how the chirps of crickets can be used as a kind of thermometer.
Act like an experimental chocolatier and determine how different melting and cooling procedures impact the shine, hardness, and texture of finished chocolate.
Student video competitions engage the minds of future science communicators.
Experiment with the relationship between boiling point and the Leidenfrost effect using different aqueous solutions, a metal pan, and a little baby powder.
In this activity, students will devise an experiment to find out whether chia seeds are still able to grow after exposure to extreme conditions like the ones we may find on other planets. This activity was created by MAVEN Outreach and Education to help t...
An international robotics competition challenges high schoolers to fund, design, and build an intelligent, semi-autonomous robot.
Create a model eardrum to visualize sound vibrations, and then use a smartphone to identify your model’s natural frequencies.
Safely find, build, or hack a machine that makes any kind of art.
SciFri’s Science Club is a month-long challenge in which we ask you to go out, do science, and share it with others.
Teenage girls learn computational design in a collaborative weeklong workshop at the New York Hall of Science.
Learn how insects have inspired engineers to make a robot that walks on the surface of water. Design your own water-walking critter using thin wire, and test its effectiveness: how many paperclips can it hold up using surface tension?
In this activity from Bedtime Math, you'll build a stuffed-animal zip line and practice measuring time, distance, and angles.
Watch an interview with a couple who built a home from shipping containers. Then, design and construct a scale model of a unique shipping container home using printed templates, and estimate the cost of flooring and paint based on model dimensions.
Use the physical characteristics of ice to determine where and how several mystery samples could have been frozen.
Perform an experiment to determine whether smooth or wrinkled fingers are better at holding wet objects. The experiment requires only a water bottle, paperclip, and plastic ruler. Downloads: Video, student data sheet, illustrated instructions