HASHTAGS/#stem

#stem

The most viral posts using #stem across TikTok, Instagram, X, Facebook and Pinterest — ranked by real engagement tracked by ViralHunt.

2.3Kposts tracked
108.2Mtotal engagement
6networks

We track 2348 posts using #stem across 6 networks, carrying 108.2M engagement between them — an average of 46.1K per post.

It is used most on TikTok: 1071 of the 2348 posts we hold, 46% of the total.

And TikTok is not just where the volume is: it is also where the tag performs best per post, averaging 83.4K.

Ranking comes from the posts themselves rather than from how often the tag appears, and it is recalculated as new posts are collected. How we measure this →

Top #stem posts ALL NETWORKS

TIKT
we’re so easily impressed 🫧⚛️ @evankendalll #science #dryice #experiment #fyp #stem
@jayklenn · TikTok
4.4M
TIKT
In news that surprised no one… social media made something up #stem If you’re on Twitch I’ll be talking about this and other STEM topics every Tues
@modernday_eratosthenes · TikTok
3.2M
INST
When the first box vibrates, it sends sound waves (oscillations of air) through the room at 412 Hz. If the second box has the same natural frequency,
@science.sbmedia · Instagram
2.6M
INST
I was ✨frustrated✨ #teacher #stem #chemistry #womeninstem
@kristinthechemis.t · Instagram
2.4M
INST
we’re so easily impressed 🫧 ⚛️ @evankndall #dryice #science #explore #experiment #stem
@jayklenn · Instagram
2.1M
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Most viral #stem on TikTok

TIKT
we’re so easily impressed 🫧⚛️ @evankendalll #science #dryice #experiment #fyp #stem
@jayklenn · TikTok
4.4M
TIKT
In news that surprised no one… social media made something up #stem If you’re on Twitch I’ll be talking about this and other STEM topics every Tues
@modernday_eratosthenes · TikTok
3.2M
TIKT
SCIENCE | Next? #edit #science #stem #scientists
@ianxdesu · TikTok
2.1M
TIKT
@manuzinha @Ry😼 this is for the biology fans (isn’t my best edit but I spent ages creating it so take it or leave it) @KATSEYE @sophia laforteza #bio
@markium127 · TikTok
1.7M
TIKT
☢️ One tiny mistake. One burst of radiation. One of the most infamous accidents in nuclear science. On May 21, 1946, physicist Louis Slotin was conduc
@astrashristi · TikTok
1.6M
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Most viral #stem on Bluesky

BLUE
Can you make every popcorn kernel explode at once? 🍿💥🧪 Phil Cook, also known on YouTube as Chemteacherphil, says yes, using science! #Physics #Scie
@museumofscience.bsky.social · Bluesky
98
BLUE
New video on Every Stema Type is out now! Check it out in the reply #gamedev #stem
@n0rtist.bsky.social · Bluesky
63
BLUE
First the Academy of Natural Sciences, and now the Sternberg Museum of #NaturalHistory. In a better world, leaders would divert some of the money cur
@bhgross144.bsky.social · Bluesky
60
BLUE
What happens if you put a carrot in the microwave? 🥕💥🧪 @alexdainis.bsky.social demonstrates how metals in the microwave are dangerous, even the small
@museumofscience.bsky.social · Bluesky
43
BLUE
We’ve got 100 days left of this deranged banshee of a year. Game on! Time to make stuff, and make stuff *happen*. Don’t wait for the invitation or the
@jendiagammon.bsky.social · Bluesky
43
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Most viral #stem on Pinterest

PINT
Flying Bat Craft with Free Printable Template
@raisingveggielovers · Pinterest
205.3K
PINT
Flying Bat Craft with Free Printable Template
@raisingveggielovers · Pinterest
105.9K
PINT
This color-changing baking soda volcano for kids couldn't be easier! Do this fun science experiment outside for a no-mess STEM or STEAM activity.
@preschoolinspir · Pinterest
88.1K
PINT
DIY “Fast goose” interactive card. Easy and fun paper electronics project for beginners.
@moonshotkidz · Pinterest
45.1K
PINT
Pinterest post by @learnpros0
@learnpros0 · Pinterest
34.8K
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Most viral #stem on Instagram

INST
When the first box vibrates, it sends sound waves (oscillations of air) through the room at 412 Hz. If the second box has the same natural frequency,
@science.sbmedia · Instagram
2.6M
INST
I was ✨frustrated✨ #teacher #stem #chemistry #womeninstem
@kristinthechemis.t · Instagram
2.4M
INST
we’re so easily impressed 🫧 ⚛️ @evankndall #dryice #science #explore #experiment #stem
@jayklenn · Instagram
2.1M
INST
Four-stroke Car Engine Mechanism #CarEngine #FourStrokeEngine #MechanismMonday #Engineering #AutoTech #MechanicalEngineering #STEM #EngineCycle #CarLo
@mech_design_nepal · Instagram
1.6M
INST
Arduino-based radar system is a smart project that detects your surroundings with sound waves. Usually it’s done using an ultrasonic sensor and a serv
@tivraverse · Instagram
683.8K
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Most viral #stem on X / Twitter

X /
.@BlueOrigin founded nonprofit @clubforfuture to inspire youth to pursue careers in #STEM + visualize life in space. We asked students to send postcar
@JeffBezos · X / Twitter
3.4K
X /
Science. Technology. Engineering. Arts. Math. Get ready for Webb STEAM Day: A #STEM + Arts Interactive Learning Experience, happening tomorrow 9:3
@NASAWebb · X / Twitter
2.1K
X /
Welcome to Webb STEAM Day, a #STEM + Arts Interactive Learning Experience — happening today 9:30 a.m.-5:30 p.m. ET! Listen to talks Explore the Lib
@NASAWebb · X / Twitter
1.8K
X /
Heading #BackToSchool? Pack the Webb telescope #STEM Toolkit! Teachers and parents, find Webb resources, activities, lesson plans and more for grad
@NASAWebb · X / Twitter
1.5K
X /
“With science, technology, engineering, and math, we’ll be able to uncover the secrets of the universe. And we interpret the meaning of the universe t
@NASAWebb · X / Twitter
1.3K
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Most viral #stem on Mastodon

MAST
I know there aren't many here in my field. But I don't know how many folks on Mastodon (just talking Mastodon, not the broader Fediverse) are currentl
@ml · Mastodon
100
MAST
Happy Ada Lovelace Day! "Babbage saw the analytical engine as a mathematical device. After all, it primarily stored and operated on numbers. But Lovel
@stefan · Mastodon
93
MAST
I am currently prototyping a 3D printed shell that holds a coin cell and up to 5 LEDs that slide into small slots. Everything is clamped by a bindercl
@VoltPaperScissors · Mastodon
83
MAST
Packing my DIY encryption prototypes for my workshop at @inselchaos. It's a fun tech-related topic that you can explore with low-tech materials. #inse
@VoltPaperScissors · Mastodon
80
MAST
Hey, fedi. What smaller non-profits do you recommend for donations? Some beautiful people have been tipping me for my articles and my accessibility ap
@markwyner · Mastodon
69

#stem in five questions

What is #stem and where is it used?

A hashtag with 2.3K posts tracked by ViralHunt across 6 networks, mostly on TikTok (1.1K posts). Those posts add up to 108.2M engagement, about 46.1K per post.

Where does #stem perform best?

On TikTok: 83.4K engagement per post on average, which is also where it is posted most.

When do people post with #stem?

Mostly on Mondays, around 19:00 UTC: 29% of the 2.3K dated posts fall in the three hours around that time. Posting when the tag is active is posting when someone is reading it.

Who uses #stem most?

modernday_eratosthenes (TikTok, 602 posts), drcaberry.bsky.social (Bluesky, 99 posts), science (Instagram, 60 posts), sciantsmedia.com (Bluesky, 47 posts), certificationpoint.bsky.social (Bluesky, 38 posts), mrs.b.tv (TikTok, 33 posts).

Which hashtags go with #stem?

Other tags with volume on the same networks: #viral, #booksky, #photo, #science, #indiemusic, #gamedev.

When people post with #stem

Hour of day and day of the week of the 2.3K dated posts carrying this tag (times in UTC). The busiest hour and day are marked.

By hour (UTC)

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By weekday

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Explore more hashtags

#viral#booksky#photo#science#indiemusic#gamedev#history#wildlife#twitch#sketch#furry#streetphotography