What is a reasonable percent yield in the manufacturing process? Scholars develop a process for producing chalk in the third lesson of a six-part series. Then, they must determine the theoretical and percent yield. Discussions about...

Was justice served for Bobby Franks? An informative article about the 1924 trial of Richard Loeb and Nathan Leopold includes an overview of the murder of Bobby Franks, the defense’s legal strategy, and excerpts of closing arguments from...

The Battle of Fort Sumter was both the first and the least deadly battle of the American Civil War, with no soldiers lost during the lengthy bombardment. Learn more about the first shots of the Civil War with a short reading passage and...

Three angles in a triangle, three-dimensional space, it all seems connected somehow. Given several different triangles, pupils use the three angles of the triangle as coordinates to plot points in three-dimensional space. They explore...

Sort out who's who from the Battle of the Alamo with a helpful crossword puzzle. Complete with 20 clues and names, the resource helps history learners identify the major players in a pivotal moment in American history.

Ads here, ads there, ads everywhere—but what do they communicate? Pupils discuss this topic and develop a list of personal values. They then work as creative directors at an advertising firm to create billboards that reflect community...

Life is not always fair. Who's heard that before? This same concept moves to a larger scale using prejudice and bias. Pupils discuss where prejudice attitudes derive and how they develop throughout life. Reading comprehension...

What are some of life's most tried-and-true lessons? Pupils listen to examples from the book Live and Learn and Pass It On by H. Jackson Brown, Jr. They write down their own life lessons to later compile in a class booklet. As...

Motivation is key to learning. The author points out that it is important to engage intuition for aspects of statistics that pupils find counter-intuitive. Three strategies—using multiple representations, using intuitive analogies, and...

Should college loan debt be easier to discharge in bankruptcy? Scholars sort through the top three pros and cons to decide for themselves in preparation for a class debate or discussion. Learners may also participate in an online poll to...

Begin a study of Napoleon Bonaparte and the French Revolution by presenting class members with 10 situations that Napoleon would face as he rose to power. Individuals select one of three options for each scenario that represents what...

Why do rocks break down over time? Learners explore this concept by simulating physical and chemical weathering of different types of rocks. They use an abrasive to demonstrate physical weathering and acid to demonstrate chemical...

Meet Chuck Spencer, an archeologist who studies the Zapotec people who lived in the Valley of Oaxaca, Mexico over 2000 years ago. Spencer shares in print his response to questions posed by kids.

Get to know paleontologist Mark Norell with a 19 question interview. Written questions, answers, and photographs with descriptions sit among bright and cheery graphics

An important step in the job search process is sending a thank you note to any professional that has been of help. First, pupils discuss the etiquette of thank you notes, then draft a practice letter.

How is the Earth's weather created? Middle schoolers will explain how the Sun's energy is transformed into different forms. They will perform mathematical calculations of volume, mass, and temperature. They they will explain the...

Climate models mathematically represent the interactions of the atmosphere, oceans, land, sun, surface, and ice. Part two in the series of four lessons looks at the role greenhouse gases play in keeping Earth warm and has participants...

Do all liquids evaporate at the same rate? Young scientists observe the evaporation rate of three different liquids. They measure the time, the temperature, and the change in energy. After comparing the chemical formulas, scholars...

Can a small change in laboratory procedures save energy? Scholars test three different methods for heating water in a science lab. Then, they calculate the energy efficiency for each and compare them to determine which uses the least...

How do you convert from one measurement to another? Pupils use unit rates to convert measurements from one unit to another in the 21st segment in a 29-part series. They convert within the same system to solve length, capacity,...

Students make end of the year gift bags in the forms of a bag with different materials in it. For this crafts lesson, students put stationary, lollipops, stamps, bookmarks, pencils, and other materials into the bags.

Students explore food webs. They identify any misconceptions of producers, consumers or decomposers and their relationship within a food web. Students draw an example of a food web for each of the examples that are given. They address...

Learners investigate the difference between plant and animal cells. They observe a variety o plant and animals cells by looking at a piece of cork, an onion, elodea, prepared slides of paramecium, human bone, frog blood, and human...

Pupils identify the three states of matter and their properties.  For this physical science lesson, students explore a website on the states of matter and complete a worksheet.