Does the publication date come before or after the title? Should there be a comma between the location and year? The answer depends on whether you're using the MLA, APA, Chicago,4or CSE/CBE style guide. A citation builder clears up...

Complex fractions and trigonometric expressions combine to create a challenging task ... as if they aren't challenging enough on their own! The task challenges individuals to consider the range of possible values when substituting in the...

The government at the local level acts as perhaps one of the most relevant government systems to many in their communities. Learners discover how the local government shapes their lives and the similarities and differences between the...

Do your young physicists get a little unbalanced when it comes to talking about torque? Scholars examine the effects of weight and distance on a balanced system with a simple interactive from the Rotation and Balance series. The resource...

A common complaint among physics scholars studying Newton's laws of motion concerns drawing free-body diagrams. To practice the required pre-requisite skills for free-body diagrams, individuals identify which forces act in specific...

Just how big of a TV do you need?! The task at hand asks individuals to compare the area of 80-inch and 55-inch TVs. The length of the TV is given and learners must use the Pythagorean Theorem to determine the width to calculate the areas.

How to meet the needs of people around the globe—a question many ask. The fifth in a six-part series about human population and its effects on the globe, the eye-opening instructional activity includes discussion, a homework activity,...

Many regard John Steinbeck's The Grapes of Wrath as the great American novel. The lesson plan combines a variety of strategies, including partner work, independent practice, creative writing, grammar instruction, and small group...

It's time to test those skills! Assess pupils' knowledge of US history and government with short answer questions, multiple-choice items, and essays. The resource serves as a standardized test that functions well for a final exam....

Creating a strong password is easy ... but remembering it is a different story! Cyber scholars analyze the methods used by hackers to gain access to private information through a digital citizenship lesson. After learning more about...

Music is a universal pleasure, but writing about it can be a little trickier. An informative handout discusses common types of music writing assignments that one might encounter in a college-level course. Individuals read about musical...

How does electronic commerce benefit organizations, customers, and society? Scholars read about e-commerce as it applies to modern business practices in an informative tutorial. Pupils also discover different types of  business...

How are economics and politics intertwined? Societies in the Medieval period used feudalism for both economic and military reasons. The arrangement provided safety and met other needs. Using the included simulation, individuals...

A mass extinction event caused by an impact usually leaves a crater. Scholars use data from 10 different sites around the world trying to determine where to look for the crater. They use data, listing the amount of various minerals to...

Two fish appear different, but how do scientists determine their genotypes? Scholars practice performing test crosses to determine the genotypes of fish given their phenotypes. They answer in-depth comprehension questions and complete...

Is it bigger, or is it smaller—or maybe it's the same size? Individuals learn to describe enlargements and reductions and quantify the result. Lesson five in the series connects the creation of a dilated image to the result. Pupils...

Extend the concept of exponents to irrational numbers. In the fifth installment of a 35-part module, individuals use calculators and rational exponents to estimate the values of 2^(sqrt(2)) and 2^(pi). The final goal is to show that the...

Individuals learn to divide and conquer complex numbers with a little help from moduli and conjugates. In the second lesson on complex number division, the class takes a closer look at the numerator and denominator of the multiplicative...

How do vectors help make problem solving more efficient? Math scholars use vectors to represent different phenomenon and calculate resultant vectors to answer questions. Problems vary from modeling airplane motion to the path of a...

How many points are needed to define a unique parabola? Individuals work with data to answer this question. Ultimately, they determine the quadratic model when given three points. The concept is applied to data from a dropped...

Does the symmetry and transitive property apply to similarity? The 10th segment in a series of 16 presents the class with a group of explorations. The explorations have pairs show that similarity is both symmetrical and transitive....

Build upon prior equation writing experience to create more complicated equations. Lesson one in a 33-part unit builds upon the class members' sixth and seventh grade experience of writing linear equations. Several examples...

Apply addition and subtraction of integers to solve problems with rational numbers. Pupils apply the rules for adding and subtracting integers to add and subtract rational numbers. Class members represent the problem with equations and...

Create ratios using the boys and girls in the class. The first lesson in a 29-part series introduces ratios. Pupils learn to create ratios, write them, and model them with tape diagrams. Class members realize that there are different...