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...

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...

Step into history and step out with a new understanding of events. These strategies bring a new level of understanding of key events by asking viewers to engage in and respond to projected images. Complete directions for the activity, a...

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...

Serve up a slice of math for Pi Day! A combination of fun, hands-on lessons and helpful worksheets encourage learners to practice finding the radius, diameter, and circumference of different circles.

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. 

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.

Archaeology digs are much like giant jigsaw puzzles. The artifacts found are often in pieces and scientists must reconstruct them. A hands-on activity lets young archaeologists experience this facet of the job as they create, smash, and...

The propellant needed for space explorations runs in the thousands, while paying to get the craft into orbit costs millions! In the second installment of three, two activities explore laws of conservation of energy and momentum. Using...

The Big Bang Theory is more than a television show. Pupils read how Edwin Hubble observed other galaxies and noticed that the galaxies are moving away from each other. Scholars learn about the idea of the big bang and what happened next...

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...

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...

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...

Young actors willingly suspend their disbelief as they improvise a scenario in which they are workers at a clothing factory and must decide their attitude toward the actions of co-worker Rosa Parks. 

This Discovery Education activity provides the information needed to understand the basics of flight. Before taking off, young pilots learn the eight stages of the engineering design process. Small groups then design and build...

Let Einstein's work shine the way. Pupils read about Einstein's iconic equation, E=mc^2, using a remote learning resource and see how ideas from other scientists such as Kepner, Curie, Galilei, and Newton led to its discovery. They...

When is a foot not a foot? When you use the length of your own foot to measure distances, of course. To underscore the importance of standardized units of measurement, middle schoolers engage in a series of activities that ask them to...

Credible leaders should be able to articulate who they are, what they believe, and what they stand for. This activities in this resource are designed to help future leaders develop their personal credo by responding to the prompts on the...

The American Museum of Natural History offers a website sure to engage young anthropologists. Learners can dig into a site that offers an explanation of the field of archaeology, the kinds of questions archaeologists ask that launch...

How would the story of the discovery of America be different if indigenous people told it through their eyes? Individuals compare the conventional account of this moment in history to an account given by one of the native peoples. After...

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...