Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...

This amazingly extensive unit covers a wealth of geometric ground, ranging from constructions to angle properties, triangle theorems, rigid transformations, and fundamentals of formal proofs.  Each of the almost-forty lessons...

Carbon is the most common element on earth, so the innovative discovery of a new type of carbon molecule won the 1996 Nobel Prize. In the ready-to-go lesson, scholars learn about C60 and how it has opened up the entire area of...

Lead young scientists to discover insects outdoors. After investigating, students will record observations, learn about these fascinating creatures, craft, and role play.

Learning to create and maintain a budget is an important life skill. Guide individuals in the discovery of their spending habits and how to track them. They then use what they learned to create a budget and make decisions on where they...

Celebrate the whimsical world of Dr. Seuss on Read Across America Day with a collection of science, technology, engineering, the arts, and mathematics activities, each linked to a popular Dr. Seuss story. 

Use a series of extension activities to enhance your class reading of Chris Van Allsburg's holiday classic, The Polar Express. From a biography of the author to filmed book reviews and research about the railroad, kids can take...

Fans of Sherlock Holmes may be surprised to learn that in addition to stories of the famous deductionist, Sir Arthur Conan Doyle is also the creator of Professor Challenger. An irascible, unpredictable scientist, Challenger was featured...

Explore rural and urban environments over the course of four days. Each day offers a new look into how both environment compare and contrast. Activities include the observation and analyzation of images, a read aloud and grand discussion...

Planning an elementary science unit has never been simpler! These twelve lessons guide young scientists through an exploration of simple machines and their many uses in the real world before asking them to apply their learning...

What motivated Europeans to explore the New World, and what effects did their exploration have on Native American populations? The second installment of a 16-part American Passages series prompts pupils to watch a video and read several...

Art isn't the first thing that comes to mind when thinking about computer science. The first installment of an eight-part Google CS Art unit introduces the series and highlights class procedures. Pupils view videos that show how to use...

Your young learners will discover how muscular strength and endurance can increase with this truly hands-on activity! Beginning by writing an acrostic for the word strength, class members then engage in tracking their ability to squeeze...

Get to know all about sauropods from a paleontologist, Jonah. Following an introductory video, scholars choose from five fossils to learn more about. Each fossil begins with a video, provides information from several different...

Dust is everywhere around us; it's unavoidable. But what exactly is dust and are certain locations dustier than others? These are the questions students try to answer in an interesting scientific investigation. Working independently or...

Building on young mathematicians' prior knowledge of three-sided shapes, this lesson series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's book The Greedy...

Explore the world of copyright law with a variety of activities to instill the importance of respecting creative property. Scholars watch an animated tale then take part in a grand conversation detailing the video's main idea, details,...

Introduce a new type of function through discovery. Math learners build an understanding of rational expressions by creating tables and graphing the result. 

Time to rock out! Discover the "life" cycle of the average rock using an illustrative stations lab and stimulating pairs game. Roll the dice to determine your fate: will it be melting in magma or chilling out to form igneous rock? The...

Bubble, bubble, boil and trouble! What causes common substances like baking soda and vinegar to react the way they do? Welcome your junior chemists to the wonders of acid-base chemistry using a comprehensive and fun...

Your mission, should you choose to accept it, is to take your class on an underwater adventure. The final installment in a seven-part series involving salt and freshwater bodies takes junior oceanographers below the surface in...

With rising oil prices and increasing concerns over global warming, the pressure is on for engineers to develop alternative sources of energy. Among the new technologies being developed are hydrogen fuel cells, which young scientists...

Explore the circulatory system with a cardiovascular pump activity that promotes discovery and discussion as class members create a functioning model of the heart. Continue the learning process through a web quest showcasing the...

Looking for supporting materials for a study of So B. It by Sarah Weeks? This resource includes a summary of the book, questions to answer and discuss, a journal starter, a list of related activities, a list of similar books, and links...