The universe is full of sources of energy. Explore the energy of pulsars with your classes through a simulation. An interactive lesson allows learners to manipulate the angle of rotation of both the earth and the pulsars. A real-time...

Stars seem to be a far away mystery... but it turns out we know much more about stars than one would think! An engaging lesson shows learners how to read a light spectrum to determine the temperature and chemical makeup of a star....

Noting the color of a star is equivalent to taking its temperature! A creative lesson describes the connection between a star's temperature and the color it emits. As pupils interact with a simulation, they learn how to connect the...

The rule is add before multiplying, even with matrices. Pupils use a slider to change the scalar multiplying the sum of two matrices. The interactive displays the resulting solution matrix, and requires scholars answer five questions...

Max out heart rates for males and females. Formulas of maximum heart rates provide the equations for a linear system. Pupils use the interactive to graph the equations for males and females and determine their points of intersection. The...

Mathematically complete a set of blueprints. Using eight linear inequalities, pupils create a blueprint of Thomas Jefferson's home. Individuals graph the linear inequalities and position the solution of the inequalities before...

It's important to know why each step in solving an equation works. Scholars order the steps and reasons when solving a multi-step equation. Solutions require using the distributive property, combining like terms, and using properties of...

Who killed Laius? How is Creon connected to Jocasta? Where does the Oracle dwell? Get the details of Sophocles' Oedipus Rex straight with a crossword puzzle activity.

Arthur Miller's work of American tragedy and frustration is as relevant today as the first day it premiered on stage. Learners review character names and details from Death of a Salesman with a crossword puzzle that contains 27...

Speaking your mind and standing up for yourself is the message of Laurie Halse Anderson's novel Speak. Readers review key details about characters, setting, and plot points with a crossword puzzle all about Speak.

Kathryn Stockett's The Help opened up a rich, vivid world of strong female characters and stark societal injustices. As high schoolers read the novel, they complete a crossword puzzle that includes clues from all chapters of the book.

The legend of a wise man who asks a king for rice as a reward presents a context to study exponential solutions to differential equations. Pupils move quantities of rice to a chessboard and calculate the amount of rice for each day. To...

Elie Wiesel's harrowing nonfiction tale of the Holocaust, Night, is the topic of a literary crossword puzzle. Class members review key names, places, and details from the book as they complete the puzzle.

Pupils follow a chain of reasoning in deconstructing a logarithmic equation step by step. Using their knowledge of logarithms, learners compare the solutions of logarithmic equations when the bases are changed.

In Cold Blood, Truman Capote's groundbreaking work in the world of nonfiction literature, is the focus of a quick review resource. Readers solve a crossword puzzle that offers clues about the book's characters and events.

The Strange Case of Dr. Jekyll and Mr. Hyde is a strange tale indeed, but a crossword puzzle based on Robert Louis Stevenson's classic story is pretty straightforward. Help learners review key facts and quotes from the book in a quick...

You can't build a fire with these logs! Filled with hands-on investigations, a complete logarithmic unit offers both instruction and practice. Learners first build an understanding of the new function, then explore properties before...

Mathematicians answer five word problems in an interactive practice all about repaying money using division. A calendar and moveable dollar bills aides participants in finding solutions to multiple-choice, fill-in-the-blank, and...

A five-question interactive provides a horizontal number line where integers are stacked on top of one another to find solutions of addition problems. Mathematicians move numbers to the numbers line, as numbers build higher, the sum of...

An interactive offers five questions that challenge scholars to subtract decimals. A diagram featuring a tree and birdhouse with moveable parts is designed to assist mathematicians in finding solutions. Types of questions include...

An interactive made up of five questions tests scholars' knowledge of equivalent fractions. Two fraction circles with moveable parts assist mathematicians in finding solutions. Questions are multiple-choice with one discussion. 

Five questions—multiple-choice, true or false, and a discussion—make up an interactive that focuses on decimals as mixed numbers. Moveable blocks assist scholars in finding solutions. 

Converting decimals to fractions is the focus of a five-question interactive. A color-coded tool assists mathematicians in discovering solutions. Multiple-choice questions make up the majority of the problems and a discussion question...

What media literacy skills do people need to evaluate a news source? Scholars listen to and discuss an NPR story about how fake headlines often dupe young people and adults alike. Next, they study news stories, using a fact-checking...