Two professors, Big-Hair and Bee-Hive, cannot do their work because the alarm clock won't stop ringing! Young scientists perform an experiment to help them wrap the clock in the best material for muffling the sound. This is a clever...

A thought-provoking lesson presents how different cultures view death. Upper elementary through high school pupils engage in a series of activities that will leave them with a new understanding of how death is dealt with globally....

Discuss the difference between conduction, convection and radiation of thermal energy, and complete activities with your class by investigating the difference between temperature, thermal energy and the heat capacity of different materials.

Upcoming chemists use chemical reactions to determine relative pH in two different acids. This is a terrific lesson for middle schoolers that can stand alone as a practice in precision and lab skills, or as part of the unit on chemical...

Challenge your class to construct a definition for trapezoids. Looking at four examples and four non-examples, students individually create definitions and use them to classify an unknown shape. Allow for small group and whole-class...

Here's an algebra II activity that strives to make the concept of a radian less abstract and more conceptual. It takes a hands-on approach to exploring the idea of a radian and allows individuals to develop a definition of a...

Different varieties of Christmas trees provide an interesting way to combine social studies, science, math, and technology. Class members not only research the history of the Christmas tree holiday tradition, they compare and...

In this math/nutrition activity, the nutritional value of 3 snack foods is recorded on a data chart and represented on a bar graph. Students analyze and compare information, construct data charts and related bar graphs, and draw...

In this "Which One Is Different" worksheet, students compare and contrast given pictures. From a group of four pictures, they identify the one picture that is different or does not belong. There are four problems on this one-page worksheet.

In this Dr. Seuss's Sneetches activity activity, students examine the picture of 9 sneetches and identify the 1 that is different from the other 9.

In this math worksheet, students learn to estimate sums and differences by completing step by step exercises. There is one word problem which is the example, and then students can choose from other estimation activities to do with a...

Learners complete pre-visit and post-visit activities about the koalas they see at the zoo. For this koalas lesson plan, students read books, and answer questions about the similarities and differences they see when they observe the...

Students explore the concept of crossing cultures through reading the stories "Help! My Father is Coming!" and "The Visit to Vijay's." In this culture lesson plan, students predict what will happen next in the stories. Students discuss...

Students share their opinions in a brainstorming session on the factors that contribute to their quality of life. They read the article "Life Is Better; It Isn't Better. Which Is It?," from the NY Times and discuss the article as a...

Learners identify ways in which the artist uses color to draw the view's attention to points within the composition and creates a sense of depth. They discuss the effect of color on the tone and mood of an artwork.

Discover the joy and excitement of improving your math fluency through four different puzzles. Combine those with 25 different ways to represent numbers and you have hours of enjoyment that can be fun outside of the classroom as well.

The Supreme Court gets all the glory, but very few federal cases make it to the highest court. An interesting lesson explores the structure of the lower levels of the federal court system. In addition to outlining the organization of...

Pluto, although no longer considered a planet, has five moons. Pluto's moon, Charon, is the focus of a resource that describes how the moon is viewed from the surface of Pluto. Photos help individuals see how Charon would look at...

Climate affects populations in different ways. Scholars research extinct organisms and mass extinctions in part three of the 10-installment Discover Your Changing World series. They create graphic organizers, then fill in the...

Perfect for visual and hands-on learners, an engaging lesson prompts pupils to consider the different-sized boxes they can create from a piece of cardboard. They develop a model to determine the size of the box with the greatest...

Introduce event-driven programming. Young computer scientists learn the meaning of event-driven programming and how it is different from previous styles of programming. They play a card game to simulate the challenges that occur in this...

When is it okay to go against authority and what can happen if you do? This is the leading question in this activity to accompany your classroom reading of The True Confessions of Charlotte Doyle by Avi. After reading...

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...

Which team has the advantage? An imaginary story about a game of dodgeball in the lost city of Atlantis demonstrates the ways to compare two quantities. One coach compares the ratios of the numbers of players on each team while the other...