In this learning activity you'll review how to use possessive nouns and play a game using them.

In this animated activity, learners explore three major methods of heat transfer and practice identifying each.

In this learning activity you'll review answers to commonly asked questions about the GED/HSED essay and view the official scoring guide.

Students add suffixes to base words to form nouns in this interactive lesson.

In this colorful activity, learners follow the path of a bill as it begins in the House of Representatives.

In this screencast, you'll distinguish the differences between the content message and the relational message.

In this learning activity you'll read key words that direct you to add, subtract, multiply, or divide.

In this learning activity you'll practice using the keys on the Casio fx-260 Solar Calculator.

In this learning activity you'll perform subtraction calculations using borrowing with mixed number fractions.

In this screencast, we review the positions of metals, metalloids, and nonmetals in the Periodic Table and the general characteristics of each.

In this screencast we are introduced to the lab equipment used to contain and dispense chemicals.

In this learning activity you'll review the rules for using commas to divide nouns written in a series and complete an activity.

Students insert commas to divide nouns, verbs, and adjectives when the words are written in a series. This practice exercise provides immediate feedback.

Learners identify topic words from a group of related words and choose topic statements for short passages.

By the end of this module, you'll be able to:

- Identify actions that can reduce biosecurity risk

- Develop a biosecurity action plan for a farm

- Select the most cost effective strategies

Learners follow the steps for adding and subtracting signed numbers and complete practice exercises.

Learners identify the parts of speech by following a certain order until each word in a sentence is labeled. In a variety of exercises, learners practice finding verbs, prepositional phrases, subjects, nouns, pronouns, adjectives, adverbs, and conjunctions.

In this screencast, learners examine the kinds of physical and chemical changes that occur in substances.

Students read about the components of a resume and write one for personal use.

By the end of this module, you’ll be able to:

- List four categories of disease agent sources

- Discover conditions when disease transmission is likely to occur

- Describe the means of disease transmission in a given situation

In this learning activity you'll explore how units in the metric system are related to each other and practice locating measurements on a metric line.

In this learning activity you'll read about Colombia and view a map.

Learners quiz themselves on the conversion factors within and between the metric, apothecary, and household systems.

Students practice adding some of the basic prefixes to words in the English language.

Learn the definition of perception, its process and how it affects communication