Curated Video
pump impeller basics
In this video, we're going to discuss the basics of pump impellers. You'll learn what they are, what they do, and how they work.
Curated Video
Circles and Circumference
This video lesson will review key vocabulary terms about circles and finding circumference of circles and semicircles. Students will learn how to describe a circle in terms of radius and diameter, understand the concept of pi, and find...
Journey to the Microcosmos
Why Are These Single-Celled Organisms So Large?
One day, James—our master of microscopes—was cleaning the marine tanks that some of his organisms live in when he noticed this creature. It was hard to miss given that it was visible to the naked eye, thanks to both its bright red color...
Curated Video
Phythaforas' Theorem: Finding the Circumference of a Circle
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1H Q6, which involves chords and diameter of a circle. Learners are given some information and they need to use the Pythagorean theorem and use the...
Professor Dave Explains
Practice Problem: Calculating Ionic Radius
Different ionic compounds will adopt different lattice structures, which are essentially different geometries. If we know the lattice structure of a compound and we know some information about the dimensions of its unit cell, we can do...
Flipping Physics
Center of Mass of an Object with a Hole
How to find the center of mass of an object with a missing piece.
Curated Video
Machine Learning Random Forest with Python from Scratch - Impurity
Like all dataset characteristics, we will look at the impurities in a dataset and how they should be minimum in a good dataset. This clip is from the chapter "Random Forest Step-by-Step" of the series "Machine Learning: Random Forest...
Curated Video
Glomerular Filtration Rate - But Easier to Understand
If you want to know how well your kidneys function, a good metric to look at would be the Glomerular Filtration Rate. The Glomerular Filtration Rate is not constant. It needs to be increased or decreased depending on how much the kidney...
Curated Video
Peripheral Resistance and Blood Flow
This is an answer to a question that was asked when I did my Anatomy & Physiology Academy on how exactly resistance works when it comes to blood flow. In this video, I explain peripheral resistance in a bit more detail and how there are...
Brian McLogan
Finding the circumference and area of a circle
👉 Learn how to find the area and perimeter of a parallelogram. A parallelogram is a quadrilateral with two pairs 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...
Curated Video
Reporting Answers Correctly: Considering the Limitations of Measuring Tools
This video lesson teaches students how to adjust their answers based on the accuracy of measurements. It emphasizes the importance of understanding the limitations of different measuring tools and how to report answers correctly by...
Science Buddies
Circular Reasoning: Finding Pi
Mathematicians look at the world around them in terms of numbers and formulas, and now, you can discover the formula for Pi too! In this science activity you will examine circular objects and see what you can discover about their sizes....
KnowMo
Circle Theorems: Recognizing and Applying Key Rules
This is an educational video that explains various circle theorems, which are important geometrical concepts related to angles and chords in a circle. The presenter goes through each theorem and provides examples and visual aids to help...
Catalyst University
Geometry | Surface Area of a Sphere & Hemisphere
In this video, we calculate the surface area of a sphere and hemisphere [with examples].
Let's Tute
Introduction to Circles: Terminologies and Concepts
The video teaches basic terminologies and concepts related to circles, using a circular park as an example. It covers the definitions of a circle, radius, diameter, chord, secant, segment, arc, circumference, tangent, and sector. It also...
Brian McLogan
What is the chord of a circle
Learn the essential definitions of the parts of a circle. A secant line to a circle is a line that crosses exactly two points on the circle while a tangent line to a circle is a line that touches exactly one point on the circle. A chord...
Astrum
Why was Betelgeuse dimming? New data from Hubble
Betelgeuse, Betelgeuse, Betelgeuse. Why were you dimming? Scientists may have finally come up with the answer thanks to data from Hubble.
Brian McLogan
What is the relationship of the product of two chords that intersect inside of a circle
Learn how to solve problems with chords. A chord is a line that has its two endpoints on the circle. A chord passing through the center of the circle is refered to as the diameter of the circle. A chord divides the circle into two...
Visual Learning Systems
Exploring the Digestive and Excretory Systems: Digestion in the Body
This series of videos takes students on a fascinating journey, following food as it travels through the digestive system. Clear animations illustrate the functions of the major digestive and excretory structures. Concepts and terminology...
Curated Video
Orders of Magnitude in Biology: A Convenient Way to Express Small and Large Numbers.
This video is a lecture presentation on the use of orders of magnitude in biology. The presenter explains how to express very small numbers and very large numbers conveniently, making it easier to use those numbers in calculations. The...
Curated Video
KS2 Primary Maths Age 9-13 - Area of Shapes: - Explained
SchoolOnline's Primary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 9-13, they cover every key topic and sub topic covered in Maths in clear and easy to follow steps. This video looks at...
Let's Tute
Areas Related to a Circle: Learning through the Circus
Areas Related to a Circle part 1/2: In this video, the teacher uses the concept of a circus to explain different formulas related to circles. They cover topics such as circumference, area, and sector, and show how to derive formulas from...
Visual Learning Systems
Understanding Circumference of Circles
This video explains how to calculate the circumference of a circle using both the diameter and the radius. It introduces the concept of π as a ratio that relates the circumference to the diameter. This video is part of the 8-part series,...