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Probability and the Monty Hall problem | Probability and combinatorics | Precalculus | Khan Academy Teacherflix 7 Views • 2 years ago

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/statistics-probab

Here we have a presentation and analysis of the famous thought experiment: the "Monty Hall" problem! This is fun.

Watch the next lesson: https://www.khanacademy.org/math/precalculus/prob_comb/combinatorics_precalc/v/factorial-and-counting-seat-arrangements?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus

Missed the previous lesson?
https://www.khanacademy.org/math/precalculus/prob_comb/dependent_events_precalc/v/dependent-probability-example-2?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus

Precalculus on Khan Academy: You may think that precalculus is simply the course you take before calculus. You would be right, of course, but that definition doesn't mean anything unless you have some knowledge of what calculus is. Let's keep it simple, shall we? Calculus is a conceptual framework which provides systematic techniques for solving problems. These problems are appropriately applicable to analytic geometry and algebra. Therefore....precalculus gives you the background for the mathematical concepts, problems, issues and techniques that appear in calculus, including trigonometry, functions, complex numbers, vectors, matrices, and others. There you have it ladies and gentlemen....an introduction to precalculus!

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s Precalculus channel:
https://www.youtube.com/channe....l/UCBeHztHRWuVvnlwm2
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

Magnets for Kids | What is a magnet, and how does it work? Teacherflix 7 Views • 2 years ago

What do you know about magnets or magnetism? Magnets for Kids teaches you about magnets and how and why they work. People use magnets for more than just hanging up artwork and grocery lists on their refrigerators. In fact, the very center of the earth is made of two metals that cause a giant magnetic field! A magnetic field is the area surrounding a magnet. Let's see what else you learn!

Every magnet has a north pole and a south pole. A north and south pole will always pull toward each other, or attract to each other. If you try to take two magnets and face the north poles toward each other, they will repel. The same is true of the south poles.

There are a few types of magnets: temporary, permanent, and electromagnet. Temporary magnets become magnetized when a magnetic field is present. But they lose their magnetism when that magnetic field goes away. Permanent magnets, on the other hand, are made of materials like iron or nickel that are already magnetized and have their own magnetic field. In fact, the earth's core is made of iron and nickel, which is why it is magnetic.

Electromagnets are the last type. These magnets are created by running an electrical current through a coil with a metal core. The energized core creates a magnetic field. It stops working as soon as the electric current turns off. An MRI machine at a hospital is an example of an electromagnet. Other things with magnets in them include telephones, door bells, motors, and compasses.

We hope you and your student(s) enjoyed learning about magnetism and how magnets work! If you want to learn even more, head over to our website and download one of our many free lesson plans about magnets, full of activities, worksheets, and more!

https://learnbright.org/lessons/science/magnets/

What you will learn in Magnets for Kids:
0:00 Introduction to magnets
0:27 What is a magnet?
1:06 North and south poles of magnets
2:06 Three types of magnets—temporary, permanent, electromagnet
3:13 Where are magnets used?
4:04 Review of the facts

Thank you for watching and learning with us! We’re constantly releasing new content and videos, so click that “Subscribe” button and you’ll get notified.

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Instagram: https://instagram.com/LearnBrightEducation
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YouTube: @LearnBright
Website: https://learnbright.org/

*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high-quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Science lesson plans: https://learnbright.org/lessons/?filter_subject=science

#Magnets
#WhatIsAMagnet

Nouns for Kids | Learning All about Nouns and How to Identify Them Teacherflix 5 Views • 2 years ago

In this video, your kids will learn all about nouns. So, what is a noun? A noun is a person, place, or thing. Throughout this video your student will be given lots of examples. They will be able to practice identifying nouns in a fun way.

The video describes each of the three groups of nouns one by one in detail. First, we will talk about nouns for people. Because people have titles, like doctor and baker, those are considered people nouns too! Then we discuss nouns for places. These can be cities like Atlanta or Paris, or they can be buildings like school or hospital. Last, we talk about nouns that describe things. Everything else that isn't a person or place falls into the things category. Things include dog, computer, water, window, and so many more. There are millions of nouns because there are millions of people, places, and things!

We hope you and your student(s) enjoyed learning how to identify nouns! If you want even more practice, head over to our website and download one of our many free lesson plans about nouns full of activities, worksheets, and more!

https://learnbright.org/?s=nouns&post_type=product

What you will learn in this video:
0:00 Introduction to words
0:44 Nouns for people
1:57 Nouns for places
2:12 Nouns for things
3:06 Practicing finding nouns
4:24 Two types of nouns
6:28 Dividing proper and common nouns
7:16 How to decide the type of noun

Thank you for watching and learning with us! We’re constantly releasing new content and videos, so click that “Subscribe” button and you’ll get notified.

Find and Follow Us Online:
Facebook: https://www.facebook.com/LearnBright/
Instagram: https://instagram.com/LearnBrightEducation
Pinterest: https://pinterest.com/LearnBrightEducation
YouTube: @LearnBright
Website: https://learnbright.org/

*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high-quality and engaging lessons for your elementary aged student(s). Visit us and sign up for a free account, and you will instantly have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Language Arts lesson plans: https://learnbright.org/lessons/?filter_subject=language-arts

#NounsForKids
#Nouns

NotebookLM + Gemini = Website Builder (Free & No Code) Teacherflix 1 Views • 17 days ago

We all know Google's NotebookLM is incredible for organizing research and summarizing dense documents. But what if those insights shouldn't just stay in a notebook?

In this tutorial, I’ll show you how to take a stack of complex research (using NASA's Artemis Missions as an example) and turn it into a stunning, interactive, single-page website using Gemini. The best part? We are going to build it, add functional download links, export the file, and publish it live on the internet for free—all without writing a single line of code.

Whether you are building a resource hub for your classroom, organizing project files, or just want to present information in a more professional way, this AI workflow will change how you use your research.

👇 Links Mentioned in the Video:

Google NotebookLM: https://notebooklm.google/

Gemini: https://gemini.google.com/

Netlify Drop: app.netlify.com/drop

Test it with my NotebookLM: https://notebooklm.google.com/....notebook/422742fa-72

Artemis SLS Specs Demo PDF: https://drive.google.com/file/....d/11-j1pxhoyPvwNNkRM

🤖 Prompts Used in This Video:

Prompt 1: The Blueprint

Act as an expert UX designer and educational technologist. Analyze the attached NotebookLM research and design the architecture for a single-page educational hub about the NASA Artemis Missions. Break the content into logical sections: a compelling 'Mission Overview' hero banner, a 'Deep Dives & Technical Data' section for payloads and engineering specs, and a 'Launch Timeline'. For each section, dictate the heading, the core takeaways to extract from the research, and suggest a specific visual layout. Suggest a space-inspired, modern color palette.

Prompt 2: The Code Generation

Take the structural blueprint we just agreed upon and generate the complete single-page website in a single HTML file. Use Tailwind CSS via CDN. The design language should be clean and technical—deep space blues, stark white text, soft rounded corners, and vibrant accent buttons. Implement a sticky top navigation bar with smooth scrolling to sections. Use responsive CSS flexbox/grid for the technical data cards, and ensure interactive hover states.

Prompt 3: Adding Interactive Elements

Let's make this more interactive. Add a new section just above the footer called 'Downloadable Mission Guides.' Generate a responsive CSS grid of project cards based on the research. Each card needs a placeholder for an icon, a bold title, a brief description, and a high-contrast 'Download PDF' button with a subtle pulse animation on hover.

Prompt 4: Fixing the Download Links

Update the download button for the Space Launch System (SLS) specs. Change the href link destination to this exact URL: https://drive.google.com/file/....d/11-j1pxhoyPvwNNkRM. Keep all the existing Tailwind CSS classes, layout, and hover animations exactly the same.

⏱️ Video Chapters:
0:00 - The Ultimate AI Web Workflow
0:33 - Step 1: Organizing Research in NotebookLM
1:05 - Step 2: The Architect Prompt (Gemini Pro)
2:39 - Step 3: Generating Code with Gemini Canvas
4:21 - Step 4: Adding Interactive Downloads
4:52 - Step 5: Fixing Links (Google Drive Integration)
7:30 - Step 6: Exporting the Code (Windows Notepad Trick)
9:07 - Why You Shouldn't Use the Gemini Share Link
9:44 - Step 8: Hosting for Free with Netlify Drop