Science Friday® is produced by the Science Friday Initiative, a 501(c)(3) nonprofit organization.
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.
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.
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.
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.
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.
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?
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
Explore color by creating color-filtering glasses using paper and tinted cellophane.