Instructional Video4:42
Curated Video

Identifying Rhombuses: Attributes and Characteristics

K - 5th
In this video, students learn how to identify a rhombus by its attributes. The video explains that a rhombus has four congruent sides, opposite sides that are parallel, and opposite angles that are equal.
Instructional Video4:12
Weatherthings

Weather Things: Thunderstorm Wind

6th - 8th
Lightning is spectacular, from a distance. It's nature's way of transferring electricity within the sky, or between the sky and the ground. When lightning is nearby, it is a threat to safety. People are struck by lightning, in many cases...
Instructional Video5:32
Curated Video

Classify Quadrilaterals by Examining Their Sides

K - 5th
In this video, students will learn how to determine the relationship between quadrilaterals by examining their sides. The video explains the concepts of regular and irregular polygons, as well as the importance of considering the number...
Instructional Video6:01
Curated Video

Identifying Line Symmetry in Irregular Polygons

K - 5th
In this video, the teacher explains how to identify line symmetry in irregular polygons. They discuss the three options for line symmetry - horizontal, vertical, and diagonal - and emphasize the importance of having matching parts when...
Instructional Video3:40
NUMBEROCK

Polygons

K - 5th
Alan kite surfs, skateboards, bikes, dives, and explores space as he learns about Polygons. These shapes surround Alan in his daily life, and he is so excited to give you a tour of real-world polygons! The smooth beat and positive vibes...
Instructional Video3:34
Curated Video

Understanding Volume

K - 5th
In this lesson, students will learn how to find the volume of geometric solids by using their knowledge of two and three-dimensional shapes, as well as the measures of area and perimeter. They will understand that volume refers to the...
Instructional Video4:49
Curated Video

Identifying Quadrilaterals

K - 5th
In this video, the teacher explains how to identify different types of quadrilaterals by looking at their attributes. They discuss quadrilaterals with two sets of parallel sides, such as parallelograms, rectangles, squares, and...
Stock Footage0:14
Bridgeman Arts

Atomic bomb test, (named RDS-2 or Joe 2), Semipalatinsk test site, USSR, 24 September 1951

Pre-K - Higher Ed
HD colour footage shows the formation of an explosion cloud. Explosion power 38 kilotons. 24th September 1951. The nuclear device, codenamed RDS-2, and nicknamed by the US as Joe 2, was tested at the Semipalatinsk test site, also known...
News Clip6:08
Bloomberg

Antler Global Nitin Sharma on Crypto, Web3

Higher Ed
Antler Global General Partner and Global Web3 Lead, Nitin Sharma, discusses the outlook for Indian crypto industry and the impact of new tax rules on crypto investments. He also shares his view on India's role and VC investment trends in...
News Clip4:35
Curated Video

Dog lovers send their pups to preschool

Higher Ed
SOUTH KOREA DOG PRESCHOOLSOURCE: AP TELEVISIONRESTRICTIONS: HORIZONS CLIENTS AND AP LIFESTYLE, HEALTH AND TECHNOLOGY CLIENTS ONLYLENGTH: 4:28SHOTLIST:AP TelevisionSuwon, South Korea - 2 February 2015 1. Mid of small dog being trained by...
Stock Footage0:07
Bridgeman Arts

Fireball of atomic blast (RDS-2 or Joe 2), Semipalatinsk test site, USSR, 24 September 1951

Pre-K - Higher Ed
HD colour footage shows the formation of an explosion fireball. Explosion power 38 kilotons. 24th September 1951. The nuclear device, codenamed RDS-2, and nicknamed by the US as Joe 2, was tested at the Semipalatinsk test site, also...
News Clip2:39
AFP News Agency

CLEAN : Schaeuble hails Greeces economic progress

9th - Higher Ed
CLEAN : Schaeuble hails Greeces economic progress
Instructional Video3:59
TED-Ed

Why Do Honeybees Love Hexagons?

6th - 12th Standards
Float like a butterfly, think like a bee! Build a huge hive, hexagonally! Find out the reason that hexagons are the most efficient storage shape for the honeybees' honeycombs. This neat little video would be a sweet addition to...
Instructional Video7:43
Curated OER

What is the Formula for the Volume of a Prism?

6th - 10th
Is prism just another mathematical term for a solid? It must be since this lesson is about volume. The teacher illustrates and explains how to find the volume of a rectangular prism and also how to find the volume of a triangular prism....
Instructional Video5:58
Curated OER

What is a Triangle?

1st - 5th
Triangles, triangles, triangles. What makes a polygon a triangle? How many types of triangles are there? How do you determine what kind of triangle it is? Watch this video as the teacher explains 'tri' meaning three, making a triangle -...
Instructional Video3:50
Curated OER

What is a Point?

6th - 10th
A point is an exact location in space. This tutorial defines the concept of a point as it occurs in graphing, geometry, and algebra. A variety of examples are used to show how important points are and where they'll be seen in the world...
Instructional Video1:37
Curated OER

How to Copy a Polygon

5th - 8th
A middle school students shows us how to accurately copy a polygon on a piece of paper. He uses a compass, ruler, and pencil in order to copy the correct angles and lines. This is a great video to engage your students at the beginning of...
Instructional Video4:47
Virtual Nerd

What are Interior and Exterior Angles of a Polygon?

6th - 10th
Break down interior and exterior angles with this video. Using a pentagon, a teacher demonstrates how to find the interior and exterior angles of a polygon. She goes on to explain a few of the properties of these angles, writing down all...
Instructional Video2:12
Virtual Nerd

What is a Prism?

6th - 9th
I always thought a prism was a solid triangular shaped piece of glass that made rainbows when the light shined through it. Well, that is a prism, but that is only one example of a prism, as prisms are three-dimensional solids of a...
Instructional Video8:20
Curated OER

What is the Formula for the Volume of a Prism?

6th - 12th
Is prism just another mathematical term for a solid? It must be since this lesson is about volume. The teacher illustrates and explains how to find the volume of a rectangular prism and also how to find the volume of a triangular prism....
Instructional Video5:42
Curated OER

What is the Formula for the Volume of a Pyramid?

6th - 12th
There are a lot of moving parts in this problem. There's the formula for a triangular prism. Then there's the formula for a triangular pyramid. And don't forget the formula for the area of the base of a triangular shape. Get out your...
Instructional Video5:18
Curated OER

How Do You Find the Lateral and Surface Areas of a Regular Pyramid?

9th - 10th
A regular pyramid has four equal triangular shaped sides and a square base. The lateral area is comprised of the area of the four triangular sides. The surface area is the area of the four triangular sides plus the area of the base....
Instructional Video4:12
Curated OER

How Do You Find a Missing Angle in a Quadrilateral?

6th - 10th
Oh no, there is a missing angle in a quadrilateral. Where did it go? It didn't go anywhere, it's just missing the value of the angle. So how do you find that missing value? Use a formula of course. Everything in algebra uses a formula....
Instructional Video5:41
Curated OER

What is a Polygon?

4th - 8th
What makes a figure a polygon? Does it have three or more sides? Is it a closed figure? If the answer is yes to both of those questions then it's a polygon. But wait! Some of these polygons have special names based on the number of sides...