Show class members how to connect algebra to geometry. A high school assessment task has pupils determine volumes of two different containers given limitations on material for box frames. Pupils then write a paragraph on...

To get the word out that the Great Pacific garbage patch (GPGP) contains millions of pounds of non-biodegrading plastics, individuals research the GPGP and write an article for a newsletter. Researchers present their facts in a...

You'll find everything but the kitchen sink here ... or just a carbon sink. In the activity, pairs or groups of middle school learners go outside and measure a tree's circumference and height to estimate its carbon storage potential and...

Let your use of the resource be in proportion to its usefulness. Pupils investigate similar triangles by measuring side lengths and considering given angle measures. The results of the investigation help develop generalizations about...

Explore what it takes to service the Hubble telescope. In the set of three activities, groups investigate several aspects of the Hubble telescope, including robotic arms used during repairs, spacesuits, and extravehicular activity (EVA)...

Add a touch of Dr. Seuss whimsy to your Earth Day celebration with six pages consisting of Earth-friendly, inspiring, and engaging activities designed to enhance the beauty of your school campus and showcase the famous story, The...

Birds help other birds find food? Scholars are placed into one of five groups of different birds. Each group then "feeds" on letters of paper in a field and gather five pieces per person. As each group plays, more food is exposed,...

The blue king crab and the red king crab live in the same range but never in the same region. The third lesson in the series of five focuses on the blue king crab and the impact the changes in water temperature is having on its...

Carbon dioxide is not only causing global temperatures to increase, it causes the oceans to become more acidic. Lesson focuses on the blue king crab and the fragility of the habitat due to climate change. Scholars create a concept map...

Young computer scientists continue programming with while loops by creating a program to simulate coins flipping. 

The women working for equal rights in the early 20th century weren't a part of one large group; rather, they were members of dozens of small groups focused on social reform. Explore the ways groups in the Progressive Era like National...

The San Andreas fault is one of the longest fault zones in the world. In a series of 20 lessons, the fourth lesson has pupils use a paper model to recreate various types of plate faults. Each is held in position then drawn...

"Waiting to Move," a photo essay by Ciril Jazbec, brings into sharp focus the threats posed by climate change. Class members examine images of Shishmaref Island and the Native Alaskan Inupiate coastal villages that are impacted by rising...

When the sun's rays can't reach the producers in a food web, where does all the energy come from? Extreme environments call for extreme food sources. Young scientists investigate creatures that appear to get their energy from methane...

How do we count the fish in the ocean? An engaging lesson models how to estimate fish populations with observational surveys. Class members begin by studying the behavior of fish on the coral reef in the oceans. They...

From actor to volume, the 90 terms on a theatre vocabulary list are must knows for any student of the dramatic arts.

All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...

Explore condensation polymerization and additive polymerization through hands-on activities. Young scholars first model additive polymerization with paperclips. They finish the activity by using condensation polymerization to create a...

Give household materials new life by turning them into a plankton net. Scholars design and build a net to collect and filter plankton from water. They test out their creations by using glitter to represent plankton. The nets need to...

Wheeeee! Young thrill seekers build a bungee jump—not for themselves, though, but for an egg. The egg must fall from a height of five feet and rebound within two inches of the ground or floor.

Cell size is limited by the surface area to volume ratio, but why is this true? Scholars measure the surface area and volume of cubes before placing them into liquid. After a set amount of time, they measure the uptake by diffusion for...

So you've signed up to work as a substitute teacher, While you're waiting for that call, download or bookmark a substitute teacher guide that has everything you need to prepare you for any classroom, for any grade, for any subject....

Ever wonder how they solve those mysterious murders in TV crime dramas? The second of four units in a Biotechnology series introduces scholars to the many methods of DNA analysis. Pupils create and run their own gel electrophoresis...

Your breakfast cereal is a good source of math practice. Young mathematicians apply ratios and percents to analyze the amount of protein and carbohydrates in two brands of cereal. They complete a activity to answer several questions on...