Why do markets operate inefficiently when the world's resources are so limited? Review the various types of unemployment that exist and why some resources, especially human resources, go unused.

A brief passage about International Dance Day, April 29, is accompanied by an array of language activities based in sound ELD practice: cloze exercise, phrase matching, word jumble, multiple choice, sequencing, interview, group...

Begin at the end. Present your class with an expository essay and ask them to create an outline of the article, paying particular attention to the main ideas and the details supporting these ideas. After a discussion of what they have...

What's in a cell, anyway? Kids read informational text on what makes up both animal and plant cells, including a page of vocabulary terms they will need to be familiar with (cytoplasm, ribosomes, vacuoles, etc.). Full-color images...

These 37 slides start with definitions of six types of functional groups, their molecular structure, and multiple examples or each. During the rest of the presentation, organic chemistry learners are given an opportunity to practice...

Fifth graders explore biology by completing an Internet activity in class. In this adaptation lesson, 5th graders identify several organisms and mammals that fight for their existence through slow changes to their anatomy over the course...

Making models is always memorable. For this activity, physical science starters examine the structure of hydrocarbons using marshmallows, raisins, and toothpicks. They even act as atoms themselves and link arms to represent covalent...

Today we are talking about one of the stealthiest, sneakiest, and most intriguing insects of all times, the spider. Learners will examine the predatory nature of these super bugs as they conduct a spider safari survey. Each child will...

Written for an introductory organic and biochemistry course, this exam will challenge your class. They label functional groups and stereocenters on drawings of molecules, draw structures given the name, complete drawings of chemical...

Though this presentation is designed for the Texas Academic Skills Program's (TASP) writing assessment, it could work for any class that is preparing to write a five-paragraph persuasive essay. Slides take intermediate writers through...

This exam is aimed at assessing college level organic chemists. Ten problems are to be solved and include drawing molecular structures, assessing degrees of saturation, ordering alkenes according to stability, and explaining chemical...

Review story elements with your class. They will use examples from a story to develop critical-thinking questions. Then they use a graphic organizer to describe the setting, character, and plot of the story, focusing on how they...

Relate the structure of the essay to the structure of a building. The class compares an essay to a building, with the writer being the architect, the introduction being the foundation, and so on. They use the visual representation of a...

Most pupils know about the flu, HIV, and other viruses, but they don't know what each actually looks like. This interactive shows their relative size, structure, and allows for comparisons. It stresses the similarities and differences...

Amateur biologists examine the macromolecules that are foundational to life: proteins,  lipids, and carbohydrates. This worksheet is composed of five pages of questions and plenty of space to write answers. Learners will explore...

Is your essay coherent? Does it make sense? Is it formatted correctly? Does it adhere to standard English conventions? This helpful and informative slide-show walks learners step by step through the editing and proofreading process. Each...

Explore language arts by completing a story worksheet in class. Readers will identify the importance of plot, setting, and character while they write their own short story. They also retell their story to a classmate and participate in a...

This is an extensive resource that focuses on the characteristics of life. Scientists read a series of short passages, highlighting main ideas and answering comprehension questions as they go. After they have completed the reading,...

Explore language arts by reading two similar stories in order to compare and contrast them in class. Young readers read two Aunt Isabel books, by Kate Duke, and discuss the main characters, plot, and setting. They complete a graphic...

After giving basic details about the properties of carbon, some of the common functional groups and molecules are featured. There is some information about specific functions and impact on the human body. The diagrams are helpful and...

Parallel structure is tricky, even for many adults! Give your class extra practice with this two-page resource. For each of 16 sentences, they rewrite it using parallel structure. Do an example or two with them to give them confidence...

Seventh graders describe how the traits of an organism are passed from generation to generation. They distinguish between asexual and sexul reproduction. Students identify traits through genes and those resulting from interactions with...

Full of tips about structure, audience, and evidence in a persuasive essay, this presentation would be a great way to start a writing unit in your class. One slide advises young writers to make up quotes and statistics in their essays....

What should readers do to prepare for reading an informational text? What should they do during their reading? What should they do after completing such a text? Introduce your pupils to reading strategies and techniques to gain meaning...