This video continues the exploration of a three dimensional Cartesian coordinate system. Basic equations of a two dimensional coordinate system are presented to illustrate the similarities to a three dimensional coordinate system. In...

IRON THRONE PREDATOR & WILDLIFE SANCTUARY, SOUTH AFRICA - 28 MAY, 2019 - Armand Gerber playing with a leopard. MEET the daring animal lover who spends his days cuddling tigers and playing football with a pride of lions. Armand Gerber,...

A curious pre-school child asks questions to a big kid about how weather works. Every answer is enlightening yet leads to another question. The little child learns that wind is air that moves, that may be gentle or strong and even...

Earth's spherical shape can be proven in many ways.

👉 Learn how to solve the word problems with trigonometry. Word problems involving angles, including but not limited to: bearings, angle of elevations and depressions, triangles problems etc are solved using trigonometry. To be able to...

In this video, the teacher explains the concept of graduation in shading and demonstrates how to create a graduation scale using different pencil grades. They then show how to apply this technique to draw a realistic sphere with light...

The public will have the opportunity to view and learn more about the April 15, 2014 total lunar eclipse on NASA Television, the agency's website and social media. The eclipse begins about 2 a.m. EDT and will last about three hours. The...

Neil deGrasse Tyson is an American astrophysicist, author, and science communicator. He is best known for his role on the popular Netflix series "Cosmos". In this speech he describes the difference between people who only have knowledge...

As you know a solar eclipse occurs when the moon is placed between the earth and the sun. But, if the moon takes about 28 days to travel around Earth...

Why don’t we see eclipses every m
onth?
"Eclipse" comes from the Greek...

This tutorial teaches how to format shapes in Microsoft Excel using two methods: the tab shape format option and the right-click menu. It covers various formatting options such as fill, line, effects, text, and size, and provides...

In this live-action program viewers will learn that being able to make careful and accurate observations is the foundation of any lab based science class, such as chemistry, biology, or physics. Students will come to understand the...

An animated explanation of how eclipses work. As you know a solar eclipse occurs when the moon is placed between the earth and the sun. But, if the moon takes about 28 days to travel around Earth, why don’t we see eclipses every month?

This nugget teaches to know the values of trigonometric ratios of complementary angles.

This live-action video program is about the term lunar eclipse. The program is designed to reinforce and support a student's comprehension and retention of the term lunar eclipse through use of video footage, photographs, diagrams and...

The Hawaiian bobtail squid and its resident bacterium, Vibrio fischeri, have a powerful and still somewhat mysterious symbiotic relationship. The luminescent bacteria populate a small pouch on the squid's underside called the light...

Solar and lunar eclipse - which is which? And how can you finally remember the difference?

👉 Learn how to find the area and perimeter of trapezoids. A trapezoid is a quadrilateral with one pair of parallel sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is the...

A blue sky and fluffy bright clouds are things that are seen around the world. The atmosphere presents a multitude of sights and phenomena using light, air, water droplets, ice crystals, and dust. Many of the phenomena give clues to...

Take a virtual tour of the Moon in all-new 4K resolution, thanks to data provided by NASA's Lunar Reconnaissance Orbiter spacecraft. As the visualization moves around the near side, far side, north and south poles, we highlight...

After a quiet half a century since the last Apollo mission landed on the moon, Associate Professor Alan Duffy takes us inside the new space race. How does water on the moon change everything? Back to the Moon Part 7

Instead of focusing on the light in the sky, this focuses on the dark bands and streaks and what causes them.

A curious pre-school child asks questions to a big kid about how weather works. Every answer is enlightening yet leads to another question. The little child learns that wind is air that moves, that may be gentle or strong and even...

The Ancient Greeks had determined the planet was a sphere 2000 years before Columbus set sail for the New World, and they came up with estimates too! So how did the Ancient Greeks Philosophers work out that the Earth was a sphere and how...

This video visually illustrates points made in "Regulating the Shadow Banking System," a blog post by Perry Mehrling on "The Money View" blog.