Circles, circles, everywhere! Pupils learn all about circles, central angles, inscribed angles, circle theorems, arc length, area of sectors, and radian measure using a set of 12 lessons. They then discover volume formulas through...

It's alive, but what is it? Protists share similarities with plants, animals, and fungi without being classified as any of those three. Learn more about protists and the kingdom fungi with a short presentation. It describes the parts of...

Chromosomes contain keys to history including links from royalty to Neanderthals. Young scientists learn about Ivan Wallin's research into chromosomes with an animation and videos. Then, the concept connects to mysteries related to...

Biotechnology changes lives every day, but how did it all start? Learn about Cohen and Boyer's technique for recombinant DNA and the founding of this new scientific study. Then, scholars use the online interactive to discover how Hanahan...

The Boston Massacre may be an iconic event in American history, but perhaps the British soldiers had another point of view. Using primary sources, including reports from Boston newspapers and secondary sources from the British...

How do clouds form? Learners demonstrate the formation of clouds and the water cycle by testing four different setups in a plastic bottle. They identify the key components of a cloud to help them understand the process of cloud...

A lesson looks closely at risky behavior such as teen pregnancy and sexually transmitted diseases. Middle schoolers use a question box to ask questions anonymously. They role-play what life would be like if they became pregnant then...

What's the most interesting fact about a blue whale? Learners read an interview about the similarities between the Titanosaur and the blue whale displays at the American Museum of Natural History. Pupils learn not only about blue whales...

Students investigate the climate changes occurring locally, regionally and globally over the last one hundred years. They brainstorm and predict whether the current year's weather was warmer or colder than last year then check the...

Kids act as scientists and preditors in this short natural selection activity; they collect and analyze data, then apply their new knowledge to real-world examples of natural selection. The layout of the worksheet is easy enough to use...

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...

Turn a walk on the beach into an in-depth biology lesson! Scholars learn about the different classes of echinoderms in an informative PowerPoint presentation. The lesson explains the unique characteristics of the five different...

Biologists know of more than 2,300 living species of amphibians. Learn more about the four orders of amphibians with an interesting presentation. It explains the similarities and differences between the thousands of species of...

What do Sherlock Holmes and geometry have in common? Why, it is a matter of deductive reasoning as the class learns how to justify each step of a problem. Pupils then present a known fact to ensure that their decision is correct.

A diameter is the longest chord possible, but that's not the only relationship between chords and diameters! Young geometry pupils construct perpendicular bisectors of chords to develop a conjecture about the relationships between chords...

How are systems related? Build on your pupils' previous knowledge of solving systems of equations by introducing systems of inequalities. Learners explore similarities between systems of equations and inequalities to make a strong...

How many times could California fit into the entire United States? Pupils use scientific notation to find the answer to that question in the 12th installment of 15 lessons. It asks scholars to write numbers in scientific notation and...

Investigate the volume of cones and cylinders. Scholars develop formulas for the volume of cones and cylinders in the 10th lesson of the module. They then use their formulas to calculate volume.

Explore the patterns of fractions that produce finite and infinite decimals. The sixth lesson of the series asks learners to determine a similar feature of fractions that produce finite decimals. Using the patterns, pupils create...

Read like a writer. Scholars read a model literary analysis in preparation for a similar writing assignment before annotating each paragraph for the gist. Next, pupils devise a list of qualities of a strong literary analysis essay. 

In this Geometry instructional (work)sheet, students are instructed on how to find the geometric mean.  Students are then shown how the geometric mean is applied to proving similar triangles.

In this word usage worksheet, students read several word pairs of words that sound and are spelled similarly. Students then place the correct word to complete the sentence. Parents or guardians must sign the worksheet.

Students identify similar triangles.  In this proportional segments lesson plan, students identify corresponding sides, set up ratios, and find the length of the missing side of a triangle.  They use the...

Third graders practice predicting. In this prediction lesson, 3rd graders read a worksheet and they predict where 15 words will fit into the story. After they read the story, they discuss the similarities and differences between their...