What makes canals so special? In part 2, we explore locks. Locks are like elevators for barges and boats!

This last part about the D&R canal talks about the special bridges that were needed to cross the canal and who had to take care of them. And if you're wondering if the canal is still in use, Sigrid answers that question. There's a special tribute at the end of the video for which you might want this link.

We're back on Long Island, exploring the North Shore with an outing to a wildlife refuge on one of the necks, or small peninsulas that jut into the Long Island Sound, the body of water separating Long Island from Connecticut.

Let's look at how Long Island was formed around 20,000 years ago. It has to do with a glacier that brought plenty of material along with it and left some behind when it receded.

In part one, we learned how to create an assignment. In this second part, we learn how to locate previous assignments and copy them for use with a new class.

For the final days of Sigrid's visit to the New York area, she leaves the rocky North Shore and goes south to a place she knows very well from her childhood—the beach! It's a nice place to visit even in the cooler weather.

Joe and his family head to the mountains on a ski adventure. When they arrive, Joe doesn’t pay any attention to the rules at the ski resort, or the hotel pool! He soon ends up in hot water, and once again his poor family suffers the consequences...

Annette is in a park in beautiful Oxford, England today, and she wants to introduce us to the sport, or hobby, of slacklining. There’s a lot of skill involved, but Annette has mastered it, and she shows us how it’s done!

Finally home! Sigrid talks about her trip home and how it feels to be back after a month away.

Sigrid has more fun with limericks, attempting to sing one, and dedicating another limerick to her boss. She offers a final limerick from Edward Lear, the king of limericks. See Part 1 for instructions on how limericks work and how to write one.

There’s an easy way to move or copy teaching assignments from a previous class to a new one, selecting only those you wish to transfer. This video for educators shows how it’s done!

It's been a stormy and fiery year in the United States, both weather-wise and in the government.

As the harvest ends and the Christmas season approaches, families across the United States come together to share a lavish meal in the annual celebration known as Thanksgiving. In this video, we learn some of the crucial vocabulary used at this special time of year.

Isaac travels by van through North America with his wife and his dog. Today he stops off in Quebec, Canada to tell us a little about the culture, cuisine, and most famous landmarks of this old city.

Building something that works can bring a lot of satisfaction. In this case, it's building bikes. Paul likes figuring things out, and seeing what works and what doesn't. Together with a friend, he embarks on a challenging project: building an electric cargo bike!