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Finn and Ivan learned the discovery of electron by JJ Thomson and the conversation covers this topic of science. Here is what they learned.
J.J. Thomson discovered electrons by experimenting with a cathode ray tube, a special glass tube with gas and two metal electrodes. When he applied electricity, a beam of light, called a cathode ray, appeared inside the tube. By placing magnets and electric fields around the tube, he observed that the beam bent towards the positive side of the electric field. This led him to conclude that the beam was made of tiny, negatively charged particles, which he named electrons. Thus, through this simple yet ingenious experiment, Thomson identified the existence of electrons.
Setting: Two friends, Finn and Ivan, are sprawled on beanbags in Finn’s dorm room. Textbooks and lab reports litter the coffee table.
Finn: (Tapping a pen against his textbook) Man, have you gotten around to Professor Petrov’s latest on cathode rays? (streams of electrons observed in vacuum tubes) My brain feels like mush (soft, pulpy mass).
Ivan: (Stretching and grabbing a textbook) Let me guess, another rabbit hole about “positive electricity?”
Finn: Exactly, but this time, they’re talking about these incredibly tiny particles that seem to be responsible for the whole thing! Apparently, they’re called “electrons.” (subatomic particles with a negative charge)
Ivan: Electrons? Sounds like something out of a Jules Verne novel. You sure this professor isn’t secretly building a rocket to the moon?
Finn: (Chuckles) I wish! But seriously, this J.J. Thomson fellow seems to have some pretty solid proof. He says these electrons are way smaller than anything we’ve ever encountered, and they carry a negative charge! (an electrical property of particles that causes them to attract or repel other particles)
Ivan: Negative charge? So, the whole positive electricity theory we learned is… kaput? (broken or useless; no longer functioning)
Finn: Not exactly wrong, but maybe incomplete. It seems there might actually be two types of electrical charges, positive and negative, and these electrons are the tiny carriers of the negative kind.
Ivan: Wow, that flips the whole script! How did they even discover something so… infinitesimal? (extremely small)
Finn: It gets even wilder. Thomson built this strange tube with a cathode (the negative electrode in a tube or battery) and an anode (the positive electrode in a tube or battery), and when he zapped it with electricity, these cathode rays materialized. Then, he figured out a way to deflect (change the direction of something by applying a force) them with magnets, which wouldn’t work if they weren’t made of actual particles.
Ivan: (Sitting up intently) So, by studying these rays, he indirectly discovered these electrons? That’s some next-level science, buddy!
Finn: Right? It’s like finding a whole new layer of the universe hiding within atoms. Imagine, everything we see around us is built from these tiny, charged particles!
Ivan: This is mind-boggling. I wonder how this impacts other scientific theories we’ve learned. Chemistry, physics… everything might need a revision! (the act of altering something to correct or improve it)
Finn: Absolutely! It’s like a whole new frontier of science just burst open. I can’t wait to see what other discoveries come out of this.
Ivan: (Grinning) Maybe someday, we’ll be the ones making those discoveries! Think about it – unraveling (solving or explaining) the secrets of the universe, one electron at a time!
Finn: Now that’s a future I can get behind. Let’s grab some coffee and brainstorm some experiment ideas to test this whole electron thing out, shall we?
Ivan: You read my mind! To electrons, and the future of science! (Raises a fist bump)
English words you learned and Revised
Cathode rays (streams of electrons observed in vacuum tubes), electrons (subatomic particles with a negative charge), negative charge (an electrical property of particles that causes them to attract or repel other particles), kaput (broken or useless; no longer functioning), infinitesimal (extremely small), cathode (the negative electrode in a tube or battery), anode (the positive electrode in a tube or battery), deflect (change the direction of something by applying a force), revision (the act of altering something to correct or improve it), unraveling (solving or explaining).
Congratulations, you learned 10 news words in the story and the story of discovery of Electron.
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