This video clearly presents some fundamental differences between American English, British English, and Australian English in terms of spelling, pronunciation, and vocabulary.

What expressions are related to the word "line"? We use "line" when talking about the laundry, behavior, or even time.

A square is a shape, of course, but there are plenty of ways we use squares to describe things figuratively. Let's look at some examples of when and how we do this.

We can use dots and circles to describe things figuratively. Sigrid gives us examples with expressions like "connect the dots" and "inner circle."

In this video, Sigrid talks about the different types of two-dimensional shapes and some basic geometry.

There are various things we need to do to keep the pool clean and the water circulating. Sigrid describes some of them. It's quite a lot of work, but she thinks that having a pool is still worth it.

Sigrid shares what she has learned about having a swimming pool. As it turns out, having a pool is a lot of fun, but also quite a lot of work.

In this lesson, we learn about the word "tip" and then we look at how it combines with "point" in the noun "the tipping point."

In this lesson, we talk about the word "point" in its figurative sense, and as part of the phrasal noun, "point of view." In addition, we talk about verb, adjective, and adverbial forms.

In the first of three related lessons, we talk about the important and common word "point" as a noun in its most concrete form. We use "point" to talk about measurements, maps, numbers, and more.

It's time to think fast again! This time it's a little harder, but focus on the words you know or recognize, and you might be able to guess the answer, even if you don't know the exact word in English. If you don't get all the answers, just watch the video again!

Are you ready to think fast again? You've got this! You get four seconds to come up with each answer. Then repeat the video to make sure you really know all the words!

Sigrid describes an object and gives you about 4 seconds to come up with the name of the object. Then she gives you the answer. Watch the video twice to see if you can come up with the answer on your own.

Do you know how to say the colors in English? What is the difference between a primary and secondary color? Learn all about them with Luana.

How does a volcano actually form? This informative video on the topic is brought to you by National Geographic Kids!