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...

At first glance, grassland ecosystems might seem dull and uninteresting, but once you start to explore it's amazing the things you'll find! Through this series of engaging lessons, activities, and experiments, elementary students examine...

MacGillivray Freeman's film Arabia presents viewers with remarkable images and insights into this ancient and mysterious land. An educator's guide is designed to provided teachers with the materials they need to support a...

This first of twelve algebra 2 resources provides a broad review of many algebra 1 concepts through a number of separable lessons and labs. Starting with the real number system and its subsystems, the sections quickly but thoroughly...

Attracted class members to an activity-packed journey through the science behind the invisible forces at work all around us. From jump rope generators to junkyard wars, there's never a dull moment when eighth grade physics scholars...

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...

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...

Build a bridge to learning in a STEM-aligned unit about urban infrastructure. Young engineers explore the many aspects of civil planning and design in a five-day unit. Content includes the challenging aspects of balancing building with...

The structure of an expression is a descriptive feature. Learners build a solid understanding of quadratic functions using an analysis of expressions in different forms. The seventh module in a series of nine includes 12 lessons...

Get up close and personal with cells in a hands-on journey to discover what makes up living things. Scholars learn valuable microscope skills, delve into the Modern Cell Theory, and gain insight into how cells reproduce. The included lab...

Students locate Mesopotamia on the map and explain the importance of its location. In this Mesopotamia lesson, students understand why the new discoveries of Mesopotamia were so important to civilization. Students participate in...

Students learn about farms through literature and center activities. In this farming lesson plan, students read about farming, sing songs about it, sort materials, and do more activities related to farming.

Students complete a unit to learn about early American exploration. In this Americas exploration lesson, students complete eight lessons of activities to learn about Columbus's discovery of the new world and the early exploration of the...

Students participate in hands-on activities to explore the endocrine system. Students research and write about the endocrine system to demonstrate their knowledge. Handouts and worksheets are included in the lesson.

Engage conversation and explore the journey as you challenge young readers to interpret the german folktale, "The Fisherman and His Wife" written by literary brothers Jacob and Wilhelm Grimm.

Students use rhymes, songs and games to help them study music. They discover how music can be used with movement, speech and singing.

Student groups explore scientific breakthroughs and the development of technologies that eventually led to asteroid discovery aboard the Dawn space mission. Learning module components include jigsaw reading, model building, math...

This lesson focuses on Alice Walker and her short story "Everyday Use," which explores the generation gap between a mother and daughter and the relationship among a mother and her two daughters. Links are provided to the text of the...

Come and learn more about the devastating effects of tsunamis. This site features video segments revealing the devastation tsunamis can cause and how tsunamis are formed.

The interactive activity examines the discoveries of Barbara McClintock on the correlation between chromosome behavior and breeding experiments in corn.

Journey with the chicken egg, from formation to hatching, and learn about its embryology.