Marbury v. Madison is arguably the most important landmark case in the history of the Supreme Court. A fact-filled lesson provides background information about the case and two others related to the concept of judicial review. Scholars...

The Supreme Court gets all the glory, but very few federal cases make it to the highest court. An interesting lesson explores the structure of the lower levels of the federal court system. In addition to outlining the organization of...

Stack the like terms to add vertically. The resource contains a visual aid to help with the addition of polynomials using the vertical method. Pupils use the aid to calculate the sum of two polynomials.

Don't lose your marbles as your learn about addition and subtraction equations. Pupils investigate the relationship between addition and subtraction by using an interactive. They drag different color marbles into a box and identify...

Find your way around using vectors. Scholars use an interactive to learn about vector addition. They answer a set of questions about modeling a route on a map using vectors.

Fort Sumter, the site of the Civil War's first battle, taught the Union and the Confederacy an important lesson: they would both need to take stronger steps than anticipated if they wanted to win the war. History pupils read about the...

Slide the coefficients to determine sums of polynomials. The interactive contains sliders to change the coefficients of an addend in a polynomial addition problem. Pupils determine the coefficients of the addend to arrive at particular...

Count on tiles to add polynomials. Pupils drag virtual algebra tiles onto colored mats to represent the sum of two polynomials. The learners count the number of like tiles to find the coefficient of each term. They finish...

This online multiple choice quiz focuses on upper-level grammar concepts. In addition to covering simple parts of speech such as nouns, verbs, and adjectives, this resource also covers more advanced information, such as transitive vs....

Scholars work through three different activities applying their knowledge of total internal reflection (TIR). First, they simply identify which diagrams create TIR and which don't. Next, they match different types of boundary behaviors...

Courtrooms are complicated. In addition to the many rules, there are a number of people whose jobs are not very clear to the casual courtroom observer. With the resource, individuals identify some of these roles and review more...

An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...

Five questions—multiple-choice, fill in the blank, and discussion—make up an interactive that challenges scholars to mail a teddy bear using the smallest box possible without squishing it. A box with movable sides allows mathematicians...

In this addition and subtraction practice worksheet, students sharpen their math skills as they solve 15 problems that require them to add and subtract 4 digit numbers.

A quick learning game challenges players to solve one-step addition and subtraction algebraic equations. Scholars play against several others, racing around the track in their four-wheeler, to see who can solve for a variable as fast...

The winds of change are blowing in our very own solar system!  But what makes some heavenly bodies more affected by solar winds than others?  Pupils discover the concept of magnetic forces at work in space in this...

Take a field trip around Earth by way of satellite images. Learners watch a video lesson that describes different images taken from orbiting satellites. They then test their visual skills in a 14-question online quiz. 

Interactive bar models make solving equations fairly easy. Scholars use an interactive to adjust a bar model representing an equation. This model helps solve the equation.

MyVocabulary.com features three levels of words for each root; this fill-in-the-blanks quiz contains a word bank of beginner vocabulary containing the roots cern/cer/cre, jur/jus, and leg. You can print it out, or your learners can take...

Introduce someday scientists to ideas and explanations about how the world around us works by showing this cute cartoon. In it, Mia and Sam discuss what scientific theory is, and how it is important in discovering scientific laws making...

In this vocabulary review #114 activity, students interactively complete 10 conversational sentences with immediate online feedback.

An interactive focuses on Colonial Rhode Island. Scholars read a brief informational text, then answer 10 questions. Feedback appears immediately and comes with a final progress report.

Will tomorrow's soccer game be rained out? That depends on the water cycle. An animated feature explains precipitation, evaporation, transpiration, and condensation with diagrams and dialogue between Sam and RJ as they huddle under a...

Review synonyms and antonyms for 12 vocabulary words containing the word roots grad, mot, and cad using this interactive fill-in-the-blank activity. Learners select the correct synonyms and antonyms from a list provided and match them to...