Tree rings are slightly thicker on the south side of the tree because it receives more sunlight. Part two in a series of five lessons helps learners analyze tree rings to determine the environmental conditions that caused size...

Help overcome challenges in eating pizza. Scholars work in groups to design a device that assists a physically handicapped person eat pizza. They build a prototype of such a device to test their designs before building. To...

Build conceptual understanding of graphs of quadratic functions with an out-of-this-world resource. An interactive lesson allows learners to manipulate a graph that models the launch of a UFO. The lesson focuses on the key features of...

Study all things weather with a packet of weather vocabulary activities. The 12-page packet includes three crosswords varying in difficulty, a mixed letter sort, a sentence sort, weather word search, and fill-in-the-blank sentences with...

One of the key objectives of Europe's Copernicus Earth program is to monitor the temperatures of the oceans and seas on Earth. Young scholars learn the effects of different heat capacities through two experiments. These experiments...

Here comes the sun! Primary graders engage in activities that teach them how to protect themselves from the effects of UV rays. They learn that each season (fall, winter, spring, and summer) offers its own special challenges so they...

Create a shift in TV viewing habits. The interactive presents a cosine model of an individual's TV viewing habits during a year. Class members move the model to reflect given conditions. Finally, they determine key features from the...

Hop aboard to learn about the slope-intercept form. Young mathematicians use an interactive to adjust the path a train takes up a mountain. A set of challenge questions helps them see the connection between key features and the...

Don't hem and haw, learn about equations using a seesaw. An easy-to-use interactive has pupils move a seesaw on a coordinate plane to investigate the standard form of a linear equation. By completing a set of challenge questions, they...

Different forms, same line. Young mathematicians investigate the standard form, slope-intercept form, and point-slope form of a linear equation. An interactive has them adjust lines on a coordinate plane to see changes in each form of...

Feeling the pressure to confirm is something any adolescent can relate to. Explore an essential theme with a response to literature assessment that prompts learners to identify main ideas with evidence and supporting details.

Explore linear conversions using an engaging interactive lesson. Learners drag a point on a graph to discover the equivalent degrees in Fahrenheit and Celsius. Embedded questions highlight key features such as slope and the...

Learning isn't a random process. A well-designed interactive lesson helps classes make key conclusions about stratified random sampling. They calculate group percentages and use those percentages to decide on sampling totals.

Context is key when it comes to historical research. Prior to field research, class members learn as much as they can about the site they are going to visit. Groups investigate and prepare presentations about the history of the site, the...

Learn about polymers while playing with shrinky dinks. Young scholars create a shrinky dink design, bake it, and then record the area, volume, and thickness over time. They model the data using a graph and highlight the key features of...

The key is in the leaves. Pupils enter data to create a stem-and-leaf plot. The resource then displays the plot and calculates the mean, median, and mode of the data. Using the plot and the calculated measures of spread, learners analyze...

Enter the world of Harry Potter and learn new vocabulary at the same time. A high-interest reading passage provides insight into the history of Harry Potter. Follow-up activities incorporate key vocabulary strategies, such as using...

What better way is there to teach about human rights than by seeing them firsthand? Introduce your class or club to the spirit of service through a myriad of service project ideas. First in a series of human rights instructional...

Want to change the world? Where do you begin? Scholars analyze the steps that must take place to make change in society. The first installment of a 10-part County Solutions - High School series brings the real world to the forefront as...

Not all sources are created equal, so how do you evaluate them? Writers learn how to evaluate print sources based on elements such as audience, tone, and argument in the sixth handout of 24 in the Writing the Paper series from the...

Fourth and fifth graders use a set of 28 decimal computation cards as a way to practice adding and subtracting decimals. As students move to the various cards placed around the room, they write the answer to each card on their recording...

Many children dream about being a champion. The dream could be reality for Danny in Danny the Champion of the World. Danny's championship is a sure thing if he and his father gain victory against a nasty landowner with a bad...

Wait, there is an estimate for how much that weighs. The resource contains three questions about weight. Using dimensional analysis and benchmarks, pupils determine a reasonable weight for trash, food, and a grain of salt.

It is about this big. An assessment provides three questions on the estimations of volume. Pupils determine the quantities needed and use dimensional analysis to arrive at estimations involving dollar bills, paint, and gasoline.