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.

It’s time to prepare for her weekend in Amsterdam. Our friend packs her clothes, toiletry bag, things to read, and a few other essentials. Will she need an umbrella?

This lucky girl has her birthday next week and is planning a trip with friends. She plans a train trip through France and Belgium, and books the perfect hotel in Amsterdam. She has lots of ideas for things to see and do in the city, and some new food she wants to try.

Sigrid uses the question words "who," "what," "when," "where," "why," and "how" as she thinks out loud about her next vacation. Where will she go? How will she get there? How much will it cost?

We often use question words to ask questions. The five main ones start with "wh." Sigrid explains how they work.

Jessica takes us on a walk through Prospect Park. She stops several times to point out and describe various objects along the way.

When you are learning another language, you inevitably make mistakes. It's all part of learning, and can even help you remember how to use certain words, phrases, or grammar correctly. Barbara and Sigrid talk about mistakes they remember and never made again!

Barbara talks about language programs called "dual immersion," student take their various classes in two different languages. She also describes her work as a copy editor.

Both Sigrid and Barbara like grammar and they talk about some of their pet peeves. The also agree that grammar isn't the most important thing. Using the language to communicate is more important.

Barbara talks about a mistake she made as a language supervisor. Sigrid talks about how people in the U.S. speak English even when they have a very strong accent and it's OK. They both agree that learning with a native speaker of the language is the best way to learn.

Barbara talks about the different jobs she had teaching both French and English. Later, she also had a job supervising teachers of foreign languages, though she notes that these are now referred to as "world languages."

Barbara talks about her studies and other experiences that led to her career as a French teacher. Immersion played a crucial role for both sisters in learning new languages.

Barbara is a retired French teacher who happens to be Sigrid's sister. The two have a conversation about language in general and about how Barbara became interested in the career path she followed.

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

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.