We use question words plus words like "some" and "any" to form new indefinite words, such as "sometime," "sometimes," and "anytime." This video is about question words "who," "what," and "when."

The travel kids visit a town almost completely covered by volcanic rock some twenty years before. There’s not a great deal left of it for them to see! They walk out onto the glassy and slippery surface of the lava flow, where volcano expert Ken takes a sample of some liquid rock to measure the temperature. It’s super hot, and Julian makes the excellent decision to keep his hands well clear!

Rosie and Julian are in Hawaii discovering land formed from red-hot molten lava that erupted from the center of the earth. With the help of friendly volcano expert Ken and his friend Terri, they learn about a volcano that is taller than Mount Everest, and about Pele, the goddess of fire.

Lauren shows us around Brick Lane in East London. Sights include a mosque, street art, and hopping nightclubs.

Sigrid packs her carry-on bag for the flight to Paris. She talks about what she needs to pack, and why.

There's one more important question word to learn: "how." Sigrid provides plenty of examples of questions with "how," both by itself and together with an adjective or adverb.

Sigrid, here as Rita and Kathy, has fun practicing the 5 question words ("who," "what," "where," "when," and "why") on a train. She makes quite a nuisance of herself, too. More about the 5 W's in: Parts of Speech: Question Words - Part 1 of 3.

Luana and Austin met while traveling and fell in love. They tell us about how their relationship developed and about the very original wedding celebration they had.

A young woman goes on a road trip through Alabama with her boyfriend and recounts it in a phone call home. This video is a great way to see the many spots well worth visiting in the state of Alabama.

Austin and Luana give us some tips about words and phrases you can use when you're on a date. Stock Footage courtesy of: Videvo.cin, Pixabay.com, and Videezy.com

Rachel Weisz teaches Emma Stone an array of useful British slang words and phrases, while Stone supplies some American equivalents. This Vanity Fair video was made while the two stars were filming the film “The Favourite.”

Easter eggs are commonly associated with Easter. Let's have a look at why that is, and what traditions have emerged.

Rosie and Julian, siblings from Canada, travel to London where they put on their deerstalker hats and unravel a mystery. They're provided with clues about Big Ben's shape and then have to find the building. Both kids are also really impressed by the double-decker buses.

Sigrid explains the religious significance of Easter and the various days of Lent. Why do people observe Good Friday, or celebrate Mardi Gras? Find out in this video.

Five-year-old Nate is a geography expert. Not only does he already know the capitals of all of the states, but he can point out exactly where they are located on a map.