The topic of trigonometric ratios is often covered with loads of rote memorization baked into the activity. This activity set, however, leans more on using similar triangles and discovery learning to help young geometers develop a deeper...

Do you have young scientists wanting to make new discoveries rather than just completing the same experiments? Young scientists use their observational skills to identify animals and patterns in animal behavior. Through tracking...

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...

Immerse your young marine biologists in the world of marine animals. The lesson includes several activities that are age-appropriate for preschoolers and kindergartners, including coloring pages, gluing feathers and sand onto paper...

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

Walk in the footsteps of Lewis and Clark as they discover the wonders, beauty, and dangers of the American frontier. After gaining background knowledge about Thomas Jefferson and the Louisiana Purchase, young explorers use primary...

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. 

Coming up on the Olympics? Be sure your middle schoolers understand the dynamic and ancient history of this global tradition. They begin by recalling traditions parents have passed down, considering their relevance and ways they might be...

Organic or mineral? How does the matter matter? Second graders use their knowledge of the rock cycle to label the different components in garden soil.

A rich and well-designed lesson plan on estimation is here for you. The lesson plan utilizes a video; ITV Series: The Eddie Files 'Estimation: Going to the Dogs,' along with many websites. Several fantastic learning activities are...

First graders get out and explore two different habitats to examine how each one meets the needs of the plants and animals that dwell there. They discuss what they've learned about animal habitats as they explore the outdoor environment....

Tap into the desire to learn about computer codes. Pupils apply the Tap Code and the Polybius Square to send secret codes using sound. They design a code that tells a robot what movements to make and then test out their code using one of...

How many pennies can an aluminum foil boat hold? That is the challenge in a collaborative activity designed to explore the concept of buoyancy. Learners use aluminum foil to build makeshift boats and test the weight they hold before...

Bringing together the young artists and the young organizers in your class, this lesson takes that popular topic of tessellations and gives it algebraic roots. After covering a few basic properties and definitions, learners attack the...

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...

The big idea for this lesson is that the past enriches our present and future. Learners explore the origin of the Olympic Games and how one man took an event from the past and reinvented it for modern times. They compare and contrast the...

When van Leeuwenhoek saw cells and single-celled organisms for the first time, he knew these small things were a big deal! Share his discoveries with young learners through a narrated video, model-building activity, and scale study....

Learners engage in science, math, and language activities as they do research on the components of the solar system. The class begins with some anticipatory activities and discussions before it is divided into small groups to conduct...

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...

An exciting activity has scholars use cell parts to build bacteria through cooperation with other groups. Each group has some of the cell parts needed, but they must trade with other groups to be able to fulfill their function as a...

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...