A sample from the Meers fault and a barite “rose”, the state rock of Oklahoma! #RockExchange #rockexchange2022

Merriam-Webster There are rules for adjective order. People who learn English as a foreign language have to learn them: quantity, opinion, size, age, color, shape, origin, material and purpose. 24, valuable hand-painted, bone-China tea cups

Iodate clock reaction lab! #apchem

Here's a bracket I think the #iteachphysics community can get behind: Phet Rathsavong Sim Showdown! Which is your favorite simulation? Round 1 polls are below! I'll do each round in separate thread for convenience. And I'll use #PhETSimShowdown so can find (or mute) as needed.

Pachelbel's Canon in D, P 37 played by countless trains, the sounds of which were recorded and assembled by the Czech machinist Pavel Jirásek [source, HD: buff.ly/3YVTfAP]

Today is the #DayofSilence, a student-led demonstration that protests the silencing of LGBTQ+ students and their experiences. In the theme of Rising Up, we challenged adults to take part in a Day of NO Silence and use their voice to speak up in defending LGBTQ+ students rights.📣

The Octopus is a master of disg...WHAT

A swan landing on water. An ability acquired in millions of years of evolution. [read more: buff.ly/3YntZ7C] x.com/mathladyhazel/…

In baseball, there's an entirely useless statistic called Runs Batted In (RBI). When I was a kid, we would often hear about the RBI leaders and I immediately noticed two trends in RBI leaders. 1. They nearly all played for teams with a really good offense. 2. They nearly all

Nuclear reactors start-ups (sound on 🔊) Watch the classic blue glow of the Cherenkov radiation, characteristic of an underwater nuclear reactor. The sharp sound heard is when the faster-than-sound movement occurs [read more: buff.ly/3nQJMOU]

QR code (abbreviated from Quick Response Code) is the trademark for a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan. This how it works [full video, Pillazo: buff.ly/42NicRB]

There is an island in the Pacific called Yap that uses circular stones as currency. The stones are too large to move so the ownership of the stones is passed by word of mouth to transact business [read more: ow.ly/LxJV30mpIqe]

#iteachphysics if you hear an airplane, and point at the direction that the sound from a plane is coming from, it comes from behind the plane. Without studying (much) airplane identification, can you calculate/estimate height, velocity, size, or other data based on this?

Do you want 1 minute/day of physics history for your students? If your answer is yes, you might like the year's worth of slides I just finished. bit.ly/ThisDayinPhysi… Comments are turned on if you want to leave suggestions/comments. #ITeachPhysics

Wait, what's that? A list of all the minerals competing in #MinCup23? YES! mineralcup.org/mineral-cup-20… Bracket released as soon as we finish checking for typos & accidental repeated matchups. Voting starts September 1 on our website.

When I taught, I had two rules in my classroom. 1) Do your best 2) Don’t stop anyone else from learning. Obviously, unpacking them leads to loads more - but it was so simple for the children and very easy to remind them of if they needed it.

#iteachphysics