High schoolers, in groups, research the issues surrounding one of several controversies involving food and globalization. Then they debate their position and show a PowerPoint presentation at a mock summit meeting.

Students determine the best solvent system for separating a methylene blue/sodium fluorescein mixture by thin layer chromatography. They conduct an initial TLC separation using ethanol and a different solvent mixture and analyze the data...

A scenario is presented for chemistry techs to address. Using titration techniques, they must analyze hydrogen peroxide solution samples. They evaluate accuracy and precision in the process. They also gain experience consulting the MSDS...

Pupils analyze a variety of primary source materials related to lynching (news articles, letters written to or written by prominent Americans, pamphlets, broadsides, etc.) in order to assess the effectiveness of the anti-lynching...

This lesson combines math, visual arts, and language arts activities that all focus on the making, and baling of hay. The activities can be adjusted to address different age ranges. Most of the activities focus on gaining...

Pair earth scientists up to use an amazing online arctic portal mapping tool and Google Earth to analyze permafrost changes. They compare changes to data on atmospheric concentrations of methane to see if there is a correlation. Then...

Do you know who Jonas Salk is? Print these pages and have your middle and high schoolers read his biography in Time magazine. The reading itself is short, and it is followed with a key date chart, three reading questions, two connection...

Students identify relationships between scientific concepts and their historical roots. They discuss and debate issues of ethics in science, specifically on the concept of genetic engineering and describe the processes of cloning and...

Practice parallel structure with a multiple-choice exercise. Twenty questions challenge learners of all ages to correctly fill in blanks with phrases that are parallel in structure to what is already there. Tip: As noted, this worksheet...

What role did Buffalo, New York play in the Underground Railroad? Young historians investigate the Underground Railroad ties to Buffalo and western New York. They create a web site or multimedia presentation based on the research. If...

Class members adopt the persona of real figures in American history, Patriots and Loyalists, research these individuals to determine their stance, and then debate the question of whether or not to declare independence from...

Illustrate the importance of specific details and clear directions. Sitting back-to-back, partners take turns building a Lego structure and giving directions to their partners to create an identical structure. The subsequent discussion...

Ready to cell-ebrate all things cells? Bring a lesson that covers prokaryotic, eukaryotic, plant, and animal cells to your biology class. Pupils pair up and research organelles, use computers to create tables and presentations, and...

After completing an online activity about the Mayflower, scholars draw a picture about what they know of the Thanksgiving holiday, including a one-sentence summary. A reading of If You Were at the First Thanksgiving by Anne Kamma is...

If you want more pumpkin seeds, you should get a bigger pumpkin—right? Young harvesters use estimation skills to make a hypothesis about how many seeds they will find in a pumpkin before examining the real number inside.

Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.

You've located buried treasure, now what? Explore how to use algebraic and geometric methods to determine where to place a recovery ship based on the location of the treasure.

Words, words, words. The function of words in persuasive writing is the focus of a group activity that asks members to analyze how words advertisers use are designed to influence targeted audiences.

As a review of persuasive techniques, groups develop a one-sentence slogan designed to entice others to purchase a produce or adopt a point of view. The group then craft a storyboard for a commercial for their product.

Investigate bubbles through the use of scientific inquiry. Pupils blow bubbles using several methods and measure the resulting bubble print. Measurements are recorded on a data table and transferred to a bar graph. Results are discussed...

Students examine and read about Pomp, the infant son of Sacagawea. They research the Lewis and Clark expedition, create a storyboard presenting important events, and design a Powerpoint presentation.

Sixth graders design rectangular gardens with a given perimeter and generalize how to maximize the area Students applying the formulas for perimeter and area of polygons. They analyze length, area, and volume and make relationships...

Fourth graders use fraction strips to compare and order fractions. Identify various ways a figure can be divided. Find equivalent fractions. Recognize and order fractions with the denominators 2,3,4,5,6,8,10, and 12.

Class members use the Internet to research the history of Thanksgiving in the United States and Canada, as well as the traditions surrounding the Thanksgiving-style celebrations of the Hebrews, the Chinese, and in Ancient Greece and Rome.