We see percents everywhere! Building a solid understanding of their meaning is important to future mathematics, but also as citizens. Young scholars practice rewriting decimals, percents, and fractions. They also determine percents of a...

Clink, clink! Young mathematicians investigate drinking glasses composed of known solids (cones, cylinders, and hemispheres). Next, they determine the volumes of these glasses.

Build a solid understanding of logarithmic functions and equations. Five lessons in the module begin by developing the concept of a logarithm. The next lessons address graphing logarithmic functions, logarithmic properties, and solving...

Saturn's rings are made of dust, ice, and solid chunks of material. Individuals use spectrographs in this final installment of 22 lessons to determine the atmospheric elements. They analyze spectrums from Titan's atmosphere and...

Build a solid understanding of rational number relationships by asking class members to use various skills to order decimals, fractions, and numeric power expressions. Using the resource, they find that the fractions do not have an...

Develop a solid understanding of the manipulation of expressions to produce equivalent expressions. Given an expression, pupils rearrange it to create a new one. Their new functions must match the structure of the model expressions.

Aqua regia, or royal water in Latin, is a solvent that can dissolve solid gold and platinum into a solution. Activity nine in a series of 36 allows classes to learn, through readings and answering questions, what a solution is and the...

Investigate the construction of the electric circuit with a thorough presentation that provides a solid background for each type of circuit. After introducing key vocabulary, the lesson goes on to explain circuit design.

Exponent properties can be complicated for learners. A creative lesson seeks to simplify the concept and build a solid understanding. Young mathematicians have the opportunity to create numerous expressions and analyze the simplified...

In this interactive JeopardyLab game, with the assistance of a teacher, students can play against each other or in teams to review the content of Third Grade Social Studies. Allow the first team to choose a topic and a point value for a...

Using this interactive map activity, from A Biography of America, explore how the "New West" evolved during the late 20th century, transforming from the wild, untamed Old Rocky Mountain West into a smaller, more accessible "New West."...

Students use an online chart to match the character traits of a character in a book they are reading with specific actions the character takes. Students then work in pairs to "become" one of the major characters in a book and describe...

Dirt Bike Proportions is a multi-player racing game that allows students from anywhere in the world to race one another while completing equivalent proportions!

With this interactive resource, students learn about the main idea skill and practice the skill.

For this lesson, high schoolers will examine Hawaii's issues of colonization, authority, authenticity and cultural identity, and understand the distinction between native and non-native Hawaiians. This lesson includes links to videos,...

This video discusses family relationships at an introductory level. Some English is uttered by the Spanish speaker as well. The video will require Adobe Flash Player in order to play.

This site provides a guideline for writing a comparative essay for the AP World History Test. It also provides practice exercises and samples.

This resource provides a short experiment for students to explore how clouds are formed.

Students analyze a variety of primary and secondary sources to determine the cause of the Jamestown starving time during the winter of 1609–1610.

Greet this resource like an old friend. An interactive has users investigate the number of handshakes required for a group to greet each member. A set of challenge questions ensures that learners have a solid understanding of the...

Is it getting hot in here? Observe boiling from inside a beaker in an engaging interactive. Chemistry scholars heat and cool polar and non-polar solids and observe how molecules react to temperature changes. Your class' misconceptions...

Finding the volume is an integral characteristic of a vase. Using the idea that summing the areas of cross-sectional disks will calculate the volume of a rotational solid, pupils find the volume of a vase. Scholars determine the interval...

When two liquids combine and a solid forms, the new substance is called a precipitate. Scholars test their knowledge of hydroxide precipitates and their properties. A series of four increasingly difficult puzzles challenge their logic...

Young chemists love it when colorful solid products appear in a reaction vessel! Scholars discover the products that form during halide ion tests through a hands-on activity. Users go online and apply chemistry knowledge and reasoning...