Where does all the stuff in the universe come from?

In astronomy we study things that are very far away. It’s a powerful challenge because even the brightest objects are almost impossibly faint when you view them from the other side of the universe. But there’s an up side. If the light...

Where does all the stuff in the universe come from?

Hank explains how a recent astronomical discovery made in Antarctica could change what we know about the birth of the universe, and the rules of physics that govern it.

Thanks to the wonders of physics, astronomers can map a timeline of the universe’s history. Today, Phil’s going to give you an overview of those first few minutes (yes, MINUTES) of the universe’s life. It started with a Big Bang, when...

In the late 13th century, Osman I established a small principality sandwiched between a crumbling Byzantine Empire and a weakened Sultanate of the Seljuk of Rum, in what is now Turkey. In just a few generations, this territory had...

While some people may hear noise, some hear amazing musical genius in the creativity of Dubstep. There is a long history of avant garde musicians and thinkers promoting the concept of noise and non-instrumental sounds as music, much to...

This World Cultures instructional video shows how the Inca created a Mountain Empire.

The Milky way galaxy is composed of up to 400 billion stars, and at least that many planets. Our star, the sun is one of those billions, about a third to halfway out from the galactic center....

Pupil outcome: I can write an expanded noun phrase. Key learning points: - One adjective can be used to describe a noun. - Two adjectives can be used to describe a noun with more detail. - If two adjectives are used to describe a noun,...

Pupil outcome: I can spell words with contracted forms, such as isn't and can't. Key learning points: - In contractions, the apostrophe shows where a letter or letters would be if the words were written in full. - Saying the expanded...

Pupil outcome: I can change the subject of a formula involving multiple algebraic fractions. Key learning points: - It is important to identify which variable is to become the subject. - Like terms containing the new subject should be...

Pupil outcome: I can use the special case when the product of two binomials is the difference of two squares. Key learning points: - The product of two binomials often produces three terms. - There are cases where the coefficient of the...

In this video, we use the product rule and the power rule to simplify expressions.

Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...

In this video, we explore how to expand sentences effectively—a crucial step in building strong writing skills for students of all ages. Whether you're a classroom teacher or homeschool parent this video will give you practical...

Swazi Royal Family Tree

Discovering Saint Petersburg, Russia:Next, we journey to Saint Petersburg, the historic capital of Russia. Explore the grandeur of the Hermitage Museum, home to one of the world's largest art collections, boasting nearly three million...

Multiverse theory suggests that our universe, which consists of billions and billions of planets, stars and galaxies and extends out tens of billions of light-years, may not be the only universe that exists. There could be another...

This video will guide you through the process of expanding expressions that involve Three sets of brackets, demonstrating each step with clear and detailed examples.



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This video will guide you through the process of expanding a single term across terms within a bracket, demonstrating each step with clear examples.



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In this video, we will discover how to leverage Microsoft Excel to create visual reports that visually represent project data. We will learn to export project data to Excel and transform it into charts, graphs, and visualizations for...

In this video, we will look at a comprehensive course or program focused on developing storytelling skills using ChatGPT. The course includes topics such as idea generation, worldbuilding, character development, and creative problem...

Mr. Addit explains expanded notation and uses the place value chart to show how numbers can be written in expanded notation. Then he models how to write numbers in standard notation, word notation, and expanded notation.