In this Christmas worksheet, students write a thank you note to a person who "lights" up the school. They see a string of Christmas lights that go across the page with the words, "Thanks for Lighting Up our School."

How do the rights of citizens in other countries, such as India, Germany, Brazil, and Iran, compare to those of Americans? Take a closer look at the provisions of various foreign constitutions, and compare and contrast the protections...

You won't get a stomachache doing an investigative experiment. Pupils simulate the effect of antacids on stomach acid. Obviously, they won't be using real stomach acid; diluted hydrochloric acid serves this purpose.

And the beat goes on. The installment of the Math at the Core: Ratios series introduces time signatures in music. A musician shows the relationship between different types of musical beats. Working in pairs, classmates create beat...

You say that perpendicular bisectors intersect at a point? I concur! Learners investigate points of concurrencies, specifically, circumcenters and incenters, by constructing perpendicular and angle bisectors of various triangles.

Who has the final say in matters dealing with the rules under the United States Constitution? The case Marbury v. Madison brings to light the issue of judicial review. Learners investigate the Supreme Court's opinion in the case with a...

Practice makes perfect when it comes to learning grammar with this ESL resource. Offering a great way to teach about relative clauses, this lesson engages students with a series of partner, small group, and whole class speaking and...

Logical thinking is at the forefront of this jam-packed lesson, with young mathematicians not only investigating geometric concepts but also how they "know what they know". Through each activity and worksheet, learners wrestle with...

The second lesson in a unit of 15 introduces pupils to text compression. The class begins with discussing how they already use text compression when sending text messages. Pairs learn more about the subject as they work to compress a...

What are the chances? Teach your classes to answer this question using mathematics. The first part of a three-day lesson on determining significance differences in experimental data prompts learners to analyze the data by...

Introduce ecology classes to biodiversity and interdependence in ecosystems with a PowerPoint presentation. Then, they get up-close and personal with the invertebrate world by collecting insects, classifying them, and graphing their...

From baseball and tennis to capture the flag and four-square, here is a great document that will help you design your next unit on a sport-related activity. 

Imagine there's a recording studio on your smart phone or tablet. Its easy if you try this tool. Imagine all the instruments you can play. Imagine there's no charge. You may say it's a dream, but you can join this band with just a touch.

What better way for young biologists to learn about invertebrates than by creating their very own? Here, students are assigned a set of invertebrate characteristics and are asked to invent an imaginary ocean animal...

Help remove some of the confusion surrounding the addition and subtraction of radical numbers with this set skills practice problems. Taken straight from the pages of a math text book, this resource provides learners with...

Challenge young mathematicians' understanding of the coordinate plane with this series of skills practice worksheets. Offering 10 different exercises that involve identifying ordered pairs,...

Inquiry-based learning and investigations form the basis of a deep understanding of quadratic functions in a very thorough unit plan.  Learners develop recursive and closed methods for representing real-life situations,...

What properties does area possess? Solidify the area properties that pupils learned in previous years. Groups investigate the five properties using four problems, which then provide the basis for a class discussion.

Help your classes find the significance in this lesson! Learners analyze the probability of Diff values. They then determine if the difference is significant based on their probability of occurrence. 

Challenge your classes to complete an experiment from beginning to end. Learners make their own hypotheses, collect and analyze their own data, and make their own conclusions. They are on their way to becoming statisticians! 

The fifth installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program defines dead zones and how they form. Pupils then examine data from the Gulf of Mexico to determine dead zone formation.

How hard can it be to split something in half? Learners investigate how previously learned concepts from angle bisectors can be used to develop ways to construct perpendicular bisectors. The resource also covers constructing a...

Represent ratios using a variety of methods. Classmates combine the representations of ratios previously learned with the coordinate plane. Using ratio tables, equations, double number lines, and ordered pairs to represent...

Have you ever played the game Monopoly? Do you know what it takes to win the game correctly? Scholars research the nature of outlawing monopolies in the United States while controlling trade. They investigate the court case Gibbons v....