Plastic pollution poses one of the biggest known threats to the ocean and all related ecosystems. Pollution comes in many forms, and agriculture is one important key to bringing about necessary change. All of us are key players, since we all eat food.

Sigrid takes us through the different persons using dependent possessive pronouns, also called possessive adjectives or possessive determiners. These little words are important when talking about names, your possessions, family and friends, characteristics, jobs, favorite things and just about everything else.

Rachael, Julia, and Maggie talk about a fun party they attended the night before. Julia may even have found a boyfriend.

Sigrid talks about the difference between possessive nouns and other possessive words such as possessive determiners or articles like "my" and "your."

Sigrid reviews the object pronouns: "me," "you," "him," "her," "it," "us," "you," and "them."

Bob Dorough wrote and sang this song about the number "three," as a fun way for kids to learn their multiplication tables. It became the pilot episode for Multiplication Rock, the first season of the Schoolhouse Rock TV series.

When an invitation arrives for the previous occupant of Ted's apartment, the gang decides to attend the event in her place.

Sigrid reviews the subject pronouns "I," "you," "he," "she," "it," "we," "you," and "they."

Nouns are usually the first words we learn. The good news is that with nouns, we don't have to worry about gender in English. We do, however, have to be aware of gerunds that act like nouns but look like verbs, and countable or uncountable nouns.

The fire that was set to smoke Jack out of the jungle has an unintended consequence—and a happy one at that.

Alan and his son Jake discuss the merits of going to college in this extended preview of an episode of the popular sitcom Two and a Half Men.

Here's a quick summary of the different kinds of words we have in the English language and what they are used for.

Dates are usually expressed with ordinal numbers. Sometimes, though, what we write is different from what we say.

Maggie decides to intervene, and finally the girls are encouraged to stop sulking and talk about their issues.

Annette provides some biographical notes on Maya Angelou and then recites her poem “Caged Bird." The poem followed Angelou's memoir volume, I Know Why the Caged Bird Sings.