This video is a lecture on area and volume and the units used to measure them. The speaker explains how area is a 2D measurement, formed by multiplying lengths, and how the units for area are metric units of length squared (centimeters...

The video explains the standard metric conversions for mass, length, area and volume. The narrator discusses the different units used for each measurement and how to convert between them using multiplication and division. They also...

Learn how to convert measurements using yards, feet, and inches. This video explains how to set up conversion charts and demonstrates two methods for converting between units. The video also reinforces the importance of knowing math...

Conversion of length units

Practise your listening skills and learn some new vocabulary!



In this video I talk with my mother about her experiences...

US President Joe Biden and President of the People's Republic of China Xi Jinping recently met in San Francisco. It was the first time Xi had visited the US in six years — and the first time the two leaders had met in person in a year....

Loudoun County, Virginia has become the center of the internet, with a huge number of data centers storing and powering everything from websites to AI tools. These facilities bring in massive tax revenue but also raise concerns about...

As the planet warms, there's more water vapor in the air, which makes storms stronger and causes heavier rain and snow. This extra heat and humidity can also make it dangerous to live in some places, especially at night when bodies can’t...

Burning coal and natural gas to make electricity causes the most pollution globally, but policies like feed-in tariffs and renewable energy standards help encourage the switch to wind and solar. Texas has been successful in growing clean...

In this video, we discuss the terminal velocity calculations shown in Mark Rober's "Egg Drop From Space" video, and suggest ways to make the work more clear and easier to understand. We also provide a more detailed solution to the...

A conversation with Ali Guarneros Luna, NASA Engineer and Deputy Project Manager at NASA’s Ames Research Center in Silicon Valley.

A conversation with Jennifer Dungan, a research scientist at NASA’s Ames Research Center and project manager for the big-data Earth science initiative, the NASA Earth Exchange.

A conversation with Ian Brosnan from NASA and Colin Williams from the USGS. This is the first episode of a mini-series about NASA and USGS collaboration. To hear more from Ian Brosnan, listen to his previous NASA in Silicon Valley...

A conversation with Ved Chirayath, research scientist and lead for the Laboratory for Advanced Sensing at NASA’s Ames Research Center in Silicon Valley.

In courses such as The Teaching of Writing, Writing Non-Fiction, and Teaching English in Diverse Social/Cultural Contexts, Sealey-Ruiz, who started her career as a high school English teacher in 1993, seeks to “guide...

Jing-Jin-Ji: China is in the midst of a construction spree unparalleled in human history. These are the Megaprojects that will lift China into the future. China wants to make its capital, Beijing, the center of the world’s largest...

Jing-Jin-Ji: China is in the midst of a construction spree unparalleled in human history. These are the Megaprojects that will lift China into the future. China wants to make its capital, Beijing, the center of the world’s largest...

Solar panels are becoming a familiar site in communities across the United States, but what about solar fuels? A solar fuel is produced from sunlight through artificial photosynthesis, mimicking what Mother Nature has been doing for...

Ever walk down a vitamin/supplement aisle and get lost? Same. Here are the key vitamins you need to survive. Part 1 of 3a href='https://www.youtube.com/watch?v=1II1Vitamins target='_blank' rel='nofollow'>3 Part 3: Coming soon! Read...

Solar panels are becoming a familiar sight in communities across the United States, but what about solar fuels? A solar fuel is produced from sunlight through artificial photosynthesis, mimicking what Mother Nature has been doing for...