Test scholar's reading comprehension skills with a practice that challenges pupils to read an informational text about the Amerian Revolution then answer 10 questions. 

This article describes three keys to fostering challenging learning experiences in your classroom.

Challenge students to take on a real-life problem affecting people in Nepal. Many farmers living on the mountainside there grow fruit and vegetables, including tomatoes. To earn a living, they need to sell these at the local market. The...

A challenge where students are asked to make a lemon soda that holds as much carbonation as possible by using three ingredients. This lab experiment includes a demonstration, challenge, and mini-report. Also, this lab experiment includes...

This interactive activity, from the Web site developed for the PBS series "Building Big," explores tunneling and the tools and methods used to do the job.

In this activity, you will become an engineer and design and build a gingerbread house that must fulfill specific design requirements.

Here are 10 ways to meet the needs of your advanced learners and help the rest of your class too! You decide which strategies are the best match for your students' needs and your teaching style.

The finding on whether or not today's teens get enough exercise - they don't. Give suggestions to correct this situation and tells the benefits to daily physical activity.

Second graders learn how plants depend on animals to disperse their seeds. Students will learn about ways that animals can disperse seeds. They will design their own model and compare it to the real action of plants and animals. In the...

In this interactive activity, from the Web site developed for the PBS series "Building Big," think like an engineer and use your knowledge of dome design to match the right type of dome to the right location in a fictitious city.

In this design challenge, students learn about the Vikings from an engineering point-of-view. While investigating the history and anatomy of Viking ships, they learn how engineering solutions are shaped by the surrounding environment and...

Challenge your learners to design a building that will withstand an earthquake. Using materials like 3x5 cards and paperclips, students design three different buildings and test their effectiveness.

Encourage students to apply creative thinking to historical research in order to predict the future. This page provides three different activities that encourage creativity.

Students will enjoy these activities that promote a "Pro-Laughter" campaign using their creativity while exploring the physical and emotional effects of laughing.

As students learn more about the manufacturing process, they use what they learned from testing their designs in the previous activity to continue to improve and redesign. Students also have the opportunity to manufacture their final...

Your challenge is to design and build a rubber band-powered car that can crawl across the floor like a moon rover travels across the moon. Are you up to the challenge?

In this lesson, students will develop an understanding of what it means to be frustrated while working on a large project. It's possible that not every student will experience frustration with this activity, but there are many...

Lesson with activity in which learners study and analyze the challenges surrounding constitutional rights and national security by focussing on the Alien and Sedition Act, 1798 and definitions of American freedom. Links to primary...

Students learn about three examples of human impacts on marine life: migration patterns and shipping, algal blooms and water chemistry, and marine debris. Some of these impacts are due to human activity in the ocean, and some impacts on...

This challenge requires you to design and build a device that can pass above a surface and detect magnetic fields.

This challenge is to design and build a headphone system to hear a musical instrument (real or homemade) better. Can you do it?

This challenge is to design and build a tool that can take a core sample from the center of a potato. Are you up to it?

Can you build a battery-operated, spinning motor-powered arm that can move ping pong balls across the room? Take the challenge!

In this challenge, you will build a machine that can send a ball (golf or ping pong) at least 12 inches.