Science Buddies
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sciencebuddies.bsky.social
Science Buddies
@sciencebuddies.bsky.social
65 followers 29 following 45 posts
Free science and engineering projects, lessons, activities, and resources for K-12 #STEM education. Annual global #EngineeringChallenge
www.sciencebuddies.org
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sciencebuddies.bsky.social
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
Petri dishes from microbiology science experiment
November 11, 2025 at 10:16 PM
sciencebuddies.bsky.social
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
Sample vibrobot robots, including one that looks like a spider and has pipe cleaner legs
October 21, 2025 at 8:43 PM
sciencebuddies.bsky.social
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
Sample mushroom mycelium objects
September 16, 2025 at 10:41 PM
sciencebuddies.bsky.social
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 wearing eyepatch for STEM exploration of monocular vision and depth perception.
September 12, 2025 at 8:27 PM
sciencebuddies.bsky.social
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
Calendar representing creating a Science Project Pathway
September 2, 2025 at 9:07 PM
sciencebuddies.bsky.social
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
August 6, 2025 at 5:17 PM
sciencebuddies.bsky.social
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
Rubber Band STEM with launcher illustration
July 15, 2025 at 9:04 PM
sciencebuddies.bsky.social
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
Sample paddle boat
July 9, 2025 at 8:05 PM
sciencebuddies.bsky.social
#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
Microplastics project for students to explore the use of ferrofluid to remove microplastics from water
June 19, 2025 at 12:08 AM
sciencebuddies.bsky.social
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
Rain garden in a recycled bottle
May 19, 2025 at 11:38 PM
sciencebuddies.bsky.social
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
Hand holding a DIY telescope so that you can see through the lens to what is in the distance
May 16, 2025 at 8:36 PM
sciencebuddies.bsky.social
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
Microfluidic device from DIY student STEM project
April 8, 2025 at 9:25 PM
sciencebuddies.bsky.social
Student #STEM - Learn about tokens and build your own spam filter using natural language processing (NLP) techniques in this student #AI project.

Directions: sbgo.org/spamfilter25-b

#scienceproject #scienceteacher #edusky
Envelopes as visual indicator for spam filter project
March 31, 2025 at 8:27 PM
sciencebuddies.bsky.social
Passive irrigation systems offer a solution for keeping plants watered and reducing fossil fuel emissions. In this project, students compare and contrast passive irrigation and traditional surface irrigation systems.

sbgo.org/irrigation25-b

#edusky #scienceproject #scienceteacher
Passive irrigations systems project
March 26, 2025 at 10:28 PM
sciencebuddies.bsky.social
Happy #PiDay! Help students explore Pi with this hands-on activity using ribbon or string and assorted circular objects.

Video and activity: https://sbgo.org/piday25-b

#scienceteacher #STEM
Using ribbon to measure the circumference of an object in Pi Day activity
March 14, 2025 at 12:30 PM
sciencebuddies.bsky.social
Bring on the green for #StPatricksDay with an activity like this "Shamrock Launcher" for a fun #STEM connection.

St. Patrick's Day STEM activities: sbgo.org/stpatricksda...

#scienceteacher #STEMactivity #edusky
St Patricks Day STEM activity - cottonball launcher
March 11, 2025 at 11:00 PM
sciencebuddies.bsky.social
What’s #Pi? Help students discover Pi by exploring the relationship between the circumference and diameter of everyday circles in a range of sizes. 

Video and activity: https://sbgo.org/piday25-b

#scienceteacher #STEM #piday
Using ribbon to measure the circumference of an object in Pi Day activity
March 8, 2025 at 3:01 PM
sciencebuddies.bsky.social
Student #STEM for the win! $10,000 (USD) will be awarded in this year's #RocketCatcherChallenge for K-12 students. See challenge info for complete rules & eligibility information.

Deadline: March 17, 2025

sbgo.org/ec25-b

#edusky
#ScienceBuddiesEngineeringChallenge #scienceteacher
Rocket Catcher Challenge examples made from paper and tape
February 28, 2025 at 9:56 PM
sciencebuddies.bsky.social
The #RocketCatcherChallenge is an exciting "paper and tape" challenge for all K-12 students! Opens Feb 16, 2025.

sbgo.org/ec25-b

#STEMeducation #scienceteacher #ScienceBuddiesEngineeringChallenge
#eweek
Sample paper and cardboard rocket on a DIY rocket catching device for the 2025 Rocket Catcher Challenge
February 13, 2025 at 6:46 PM
sciencebuddies.bsky.social
Learn more about #scientists and #engineers in #STEM history as part of #BlackHistoryMonth - inspire students to make connections with STEM careers and #scienceprojects

sbgo.org/blackhistory...
#scienceteacher
Four scientists from history as part of Black History Month STEM collection of profiles and project connections
February 3, 2025 at 6:58 PM
sciencebuddies.bsky.social
How does the text come across? Does it seem positive, negative, or neutral? "Sentiment analysis" is a way of analyzing text to see what tone is conveyed. Students test the VADER sentiment analysis tool.

Project: sbgo.org/sentiment25-b

#sciencefair #scienceproject #scienceteacher
#STEMeducation
Emojis representing sentiment for sentiment analysis project exploring AI
January 30, 2025 at 8:49 PM
sciencebuddies.bsky.social
How can students explore the science of landing a spacecraft on another planet or docking with a space station? This #engineering project uses a cable-driven motion simulator to explore translational & rotational degrees of freedom.

sbgo.org/motionsimula...

#spacescience #STEM #scienceproject
Model motion simulator made from PVC pipe and string for student science project
January 30, 2025 at 12:51 AM
sciencebuddies.bsky.social
Thinking about the #RocketCatcherChallenge? Check this post for 10 reasons this is a great #STEM challenge for K-12 students and a great way to encourage students to try engineering.

What do you love about this challenge?

www.sciencebuddies.org/blog/enginee...

#scienceteacher
Three sample paper rockets and rocket catchers for the 2025 Science Buddies Engineering Challenge
January 24, 2025 at 8:30 PM
sciencebuddies.bsky.social
The 2025 Science Buddies Engineering Challenge is a fun space science challenge for K-12! Put the innovative student Rocket Catcher Challenge on your #STEM calendar!

www.sciencebuddies.org/engineering-...

#RocketCatcherChallenge #scienceteacher
#ScienceBuddiesEngineeringChallenge
[Example of three rocket catcher devices for 2025 Science Buddies Engineering Challenge]
January 20, 2025 at 5:07 PM