Know.it Blog
Study guides written from our animated lessons — answer first, then the full explanation, key terms, practice questions and a free PDF. Every guide links to its animated lesson.
How do ocean tides work?
Imagine you're at the beach, chilling, and suddenly the ocean just… walks away. 'Bye, I'm off to visit the moon.' And it's the moon's fault. The moon…
Geography · English
Why is the sky blue?
Imagine you're painting a masterpiece — the sky. You mix blue paint, slap it on, and call it a day. It's a giant, invisible light show happening right…
General · English
French revolution
एकदा विचार कर — तू राजा आहेस, खूप पैसा आहे, पण लोकं भुकेली आहेत. मग एक दिवस अचानक… सगळं बदलतं. पैसा नाही, पण खर्च भरपूर. लोकं म्हणतात — 'आम्ही का उपाशी?'…
History · मराठी
How to add a transition between clips in Premiere Pro?
असं imagine कर — तू एक awesome video edit करतोयस, सगळं perfect आहे, पण एका clip वरून दुसऱ्या clip मध्ये cut होतं ते अचानक, जसं कोणी switch off केलं. पण…
General · मराठी
What's PlC Input and output card?
Imagine you're in a factory and a machine suddenly starts moving — but who told it to move? The answer is hiding inside a small box called a PLC. A PLC…
General · Hinglish
What is gravity?
Imagine तुम अपनी पसंदीदा गेंद को ऊपर फेंकते हो — वो ऊपर जाती है, रुकती है, और फिर वापस नीचे आती है। ये वो ताकत है जो हमेशा हमें नीचे खींचती है। देखो, जब…
Physics · हिंदी
How induction motor start?
Imagine you're at a party, and someone says, 'Let's play spin the bottle.' But instead of a bottle, it's a giant metal cylinder, and instead of a kiss…
Engineering & How-it-works · English
Why does the Moon orbit the Earth?
Imagine you're throwing a ball — harder and harder. What if you threw it so hard that it kept falling… but never hit the ground? That's exactly what's…
Astronomy & Space · Minglish
What is gravity?
She's standing in her backyard, tosses an apple straight up — and it always comes back down. Let's zoom out — way out. This is our planet from space.…
Physics · English
What were the major events of World War 2?
Let's dive into one of the biggest events in history — World War 2. This war wasn't just one battle — it was a massive global conflict that involved…
History · English
Road map to become ai enginer who can give me skills to build llm and understnad llm
Imagine a young Riya, she just got her first laptop and typed 'how to build my own AI' into Google. She had no idea where to start. Riya realized the…
General · Hinglish
Solve x^2 - 5x + 6 = 0 step by step
Let's solve a puzzle. X squared minus 5x plus 6 equals zero. This is a quadratic equation. It looks like a parabola when you graph it. Our goal is to…
General · English
How do plants make food?
क्या तुमने कभी सोचा है plants अपना खाना कैसे बनाती हैं? पौधे के अलग-अलग हिस्से होते हैं — जड़, तना, पत्तियाँ। हर हिस्से का अपना काम है। पत्तियाँ सबसे खास…
General · हिंदी
What is mathmetics limite of function?
क्या तुमने कभी सोचा है कि maths में 'limit' का मतलब क्या होता है? चलो, आज ये समझते हैं। पहले एक graph देखो — ये Cartesian coordinate system है, जहाँ…
Computer Science & Coding · हिंदी
What is a cell?
Let's start with something tiny but amazing. Every living thing — plants, animals, even you — is made of these tiny units called cells. Think of a cell…
Biology · English
Diffrence between indiana dn brtish people accoridng tot mindset
एक कहानी से शुरू करते हैं. मिलो Maya से — एक 16 साल की लड़की जो हमेशा सोचती थी कि Indians और British people में क्या difference है. Maya के school में एक…
General · हिंदी