Model bioremediation using yeast as a flocculant to remove microplastics in water. Project directions: sbgo.org/bioremediati... Thank you, Millipore Sigma, for supporting #sustainability projects & student #STEM. Reply or DM to share your #scienceproject #scienceteacher #worldoceans #oceansday

Looking for low-prep #STEM activities for the end of the school year or summer learning? Build paddle boats, bridges, catapults, trebuchets, and more with simple popsicle sticks and other easy-to-find materials. sbgo.org/popsiclestic... #summerSTEM #STEMactivity #summercamp

Pollination relies on millions of bees and other pollinators to pollinate many of the fruits, vegetables, and nuts we eat. Explore pollinators for World Bee Day with this lesson plan from @calacademy.bsky.social for grades 3-7: sbgo.org/pollinators2... #edusky #STEM #WorldBeeDay

What happens when seeds meet 3D printing? Student #STEM: Test sodium alginate concentrations to bioprint a gel that supports seed germination. No 3D printer needed. sbgo.org/bioprinting2... #scienceteacher #3Dprinting #STEMeducation #edusky

Student project - use free SimPandemic to explore factors that affect the spread of #measles and analyze outcomes. Project directions: sbgo.org/measles26-b Reply or DM to let us know about your #scienceproject!

These free #STEM projects, experiments, lessons & activities help educators teach K-12 students about the physics of light, specifically, visible light, with hands-on exploration & active learning. www.sciencebuddies.org/blog/teach-v... via @sciencebuddies.bsky.social #SciEd #education #SciChat

What can we learn from rocks on Mars? In this #STEM project, students use image processing and coding to analyze large Mars rover datasets. sbgo.org/marsrocks26-b Project made possible w/ support from the New York Consortium for Space Technology. Reply to tell us about your project! #spacescience

#Maythe4thBeWithYou Intergalactic #STEM for #StarWarsDay and beyond - DIY mini drone. sbgo.org/starwars26-b #STEMactivity

#Maythe4thBeWithYou Explore simple circuits with mini lightsabers for hands-on #StarWarsDay #STEM. sbgo.org/starwars26-b #scienceteacher #STEMactivity #edusky

Lightsabers made from straws and a simple circuit for #StarWarsDay. This #STEM activity is part of more than forty ideas for #Maythe4thBeWithYou! #EduSky #StarWars youtube.com/shorts/wLTKR...

Two weeks left for students to build and test their solutions for the #BallRunChallenge. There is still time to do this #engineering activity with students in or out of the classroom! sbgo.org/ec26-b Entries accepted through March 31, 2026 #STEMeducation #afterschool #STEM

Help students discover the secret of #Pi by exploring the relationship between the circumference and diameter of assorted circular objects. Video and activity: sbgo.org/piday26-b #scienceteacher #STEM #piday

The #BallRunChallenge is a paper-and-tape challenge! Simple materials put the focus on trying engineering, not expensive supplies. sbgo.org/ec26simplema... #ScienceBuddiesEngineeringChallenge #STEM #EWeek #tryengineering

Explore #engineering in #elementaryschool with hands-on projects for grades K-5. sbgo.org/eweek26elem-b #scienceteacher #STEM #engineersweek #eweek

Inspire students to make connections between science history, STEM careers, and #scienceprojects as part of #BlackHistoryMonth sbgo.org/blackhistory... #scienceteacher

The #BallRunChallenge is great for afterschool and out-of-school groups, clubs, and programs! Simple materials make the #ScienceBuddiesEngineeringChallenge easy to prepare and flexible to manage across ages. sbgo.org/ec26groups-b #STEM #tryengineering #STEMactivity #afterschool

What happens when solar panels get covered with snow? Use a small solar panel and a multimeter to find out! sbgo.org/solarsnow26-b #scienceproject #scienceteacher #electronics

Special delivery! This cute #robot is a #ValentinesDay STEM favorite! Check out this and other creative science and engineering projects and activities for Valentine's Day: sbgo.org/deliverybot2... #robotics #stem #scienceteacher

Celebrate Lunar New Year and the Year of the Horse with these free science and engineering activities for enriching hands-on STEM. www.sciencebuddies.org/blog/lunar-n... via @sciencebuddies.bsky.social #STEM #SciEd #ScienceProjects #SciChat

The 2026 #BallRunChallenge is a free, classroom-ready #engineering challenge that works across grade levels using simple materials like paper and tape. See our list of 10 key reasons teachers are making time for it this year... sbgo.org/ec26tenreaso... #scienceteacher #STEM

Want your students to build engineering design skills and have fun at the same time? The #BallRunChallenge is open to K-12 students worldwide! www.youtube.com/watch?v=VW16... #STEM #scienceteacher #STEMchallenge #eduSky #ScienceBuddiesEngineeringChallenge

The 2026 Science Buddies Engineering Challenge has been revealed! Put the #BallRunChallenge on your #STEM calendar for students to try engineering with a fun paper and tape activity! sbgo.org/ec26-b #ScienceBuddiesEngineeringChallenge #edusky

Making something new for Thanksgiving? Updating a classic? Students can learn about #ai prompt engineering by transforming cooking videos into text recipes. Small wording changes can make a big difference! Student project directions: sbgo.org/promptfood25-b #STEM #edtech #promptengineering

@teisha42.bsky.social is adding exciting #astrobiology content to the library at Science Buddies for #k12 students. #edusky #STEM

Is the Engineering Challenge on your calendar? See how this #STEM teacher in Louisiana did the 2025 Engineering Challenge with 500+ elementary school students. sbgo.org/deridder25-b #ScienceBuddiesEngineeringChallenge #scienceteacher #edusky

What microbes that exist today could have survived the pH conditions of early Earth? Investigate with microorganisms from a local water source in this student #microbiology #astrobiology project. Student project and video: sbgo.org/modernmicrob... #STEM #scienceproject #edusky #scienceteacher

Design your own robots! These creative vibrobots are a fun and creative way to explore #robotics using a few electronics parts and craft and recycled materials. Project directions: sbgo.org/vibrobots25-b (Lesson plan also available) #Halloween #eduSky #HalloweenSTEM #STEM

What is a watershed, and how does the passage of water over land contribute to nutrient pollution in a body of water? Students explore in this #environmentalscience #STEM project. sbgo.org/watershed25-b #sustainability #scienceproject #scienceteacher

Did you read about Sam Shoemaker and his 26-mile mushroom boat voyage? Maybe not a boat, but students can experiment with mycelium as a building material in this #STEM project. sbgo.org/micelium25-b #scienceproject #sciencefair #scienceteacher #edusky

Talk Like a Pirate Day is coming up! Make fun #STEM connections with pirate-themed #science and #engineering activities, from a spyglass to the science of monocular vision. sbgo.org/piratestem25-b #scienceteacher #TalkLikeAPirateDay #edusky

Student #STEM: Build your own acoustic levitator to make objects float in mid-air using invisible sound waves. Project directions and video: sbgo.org/levitator25-b #sciencefair #scienceproject #physics #scienceteacher #edusky

New K-12 #STEM projects - real-world environmental science, agricultural technology, & sustainability, from removing microplastics to monitoring watersheds and nutrient pollution. sbgo.org/envscience25-b

Create a custom science project schedule! The free Science Project Pathways tool streamlines the process of scheduling & managing student #scienceprojects! Full LMS support, workbooks, assessments, formative feedback, & more. sbgo.org/pathwayswt25-b #scienceteacher #STEM #edusky

Science is cool! Experiment with ultrasonic waves and standing wave interference to make small objects hover like magic. This new #STEM + #Arduino project is sure to get attention! Project directions and full video: sbgo.org/levitator25-b #edusky #scienceproject #scienceteacher

Planning for the new school year? Find free lessons and activities for the curriculum topics you teach! Find more than 25 #STEM collections on topics from Simple Machines and Types of Energy to Animal Science, Chemical Reactions, and Biodiversity. sbgo.org/teachingunit... #scienceteacher #edusky

Stretchy summer #STEM with rubber bands, from launchers and a rubber band-powered car to noisemaking fun with a rubber band guitar. sbgo.org/summer-rubbe... #summerstem #edusky

Summer #STEM fun! Make rubber-band-powered boats using one of multiple design approaches, wind them up, and send them zipping across a small pool of water! Which material will work best? Videos and directions: sbgo.org/paddleboat25-b #STEMactivity #edusky

Make a self-balancing tray for a robot. In this #robotics project, students tune a proportional controller to automatically balance a platform using Arduino, a servo motor, and an accelerometer. Directions: sbgo.org/waiter25-b #scienceproject #edusky #scienceteacher #STEM

#STEM project: How can ferrofluids help remove microplastics from waterways? Students can investigate the relationship between the amount of ferrofluid and the efficiency of plastic removal from a modeled waterway. sbgo.org/microplastic... #scienceproject #edusky

Bring on the creative #STEM with popsicle stick projects and experiments, great for summer! sbgo.org/popsiclestic... #summercamp #edusky

What factors affect the strength of a wireless signal and the speed of the connection? Explore the role of distance between a transmitter and a receiver with a hands-on #microbit #coding project! Student project: sbgo.org/wifimicrobit... #scienceproject #STEM #scienceteacher

How’s the air? Use an air quality monitor to evaluate air quality in indoor and outdoor spaces and see what changes make a difference. Student #STEM project: sbgo.org/airquality25-b #edusky #scienceproject

Can a rain garden help with flooding? Use the Fight Flooding and Pollution with...a Garden?! student #STEM project to make a model rain garden and experiment to see how these gardens can reduce runoff and help fight pollution. sbgo.org/raingarden25-b #scienceproject #scienceteacher

How do telescopes work? Try this #STEM activity to build a simple telescope and learn about lenses and magnification! Activity directions and video: sbgo.org/telescope25-b #scienceteacher #STEMactivity #edusky

Are you doing it right? Good form is important to get the most from your workout and training. In this #STEM project, students train an #AI model to use computer vision to analyze movement and detect problems. sbgo.org/exerciseai25-b #machinelearning #scienceproject #sciencefair

#StarWarsDay is coming — This is a fun #STEM collection of projects/activities for #Maythe4thBeWithYou! sbgo.org/starwars25-b #scienceteacher #StarWars #edusky

Teaching genetics for #DNADay? Try this middle school “Alien DNA” lesson to explore phenotypes and genotypes and how traits are passed on. (Shorter #STEM activity also available) sbgo.org/aliendna25-b #scienceteacher #edusky

Student #STEM - Investigate alternative energy sources, including wind, sun, the ocean, dirt, and more, with Reusable Energy Projects for Earth Day. sbgo.org/reusableener... #earthday #scienceprojects #scienceteacher #edusky

Students can explore #sustainability, the lab-to-table movement, cellular agriculture, microfluidics, & advanced materials w/ cutting-edge #STEM projects. sbgo.org/labtotable25-b #scienceproject #scienceteacher #edusky

Get ready for #RoboWeek! More than 25 projects to teach and explore #robotics with K-12, including Arduino, BlueBot robots, bristlebots, ROVs, RC robots, drones, and more! sbgo.org/roboticsweek... #roboticsweek #STEM #edusky