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.