Do you like to climb trees? The branches of trees are what make them so fun to climb. Each branch starts out as a tiny shoot that grows out from a stem. How is the growth of shoots along a stem regulated?

Learn about how to strengthen literacy, inquiry, and problem-solving skills, and how to connect kids with high-quality nonfiction and informational books. Provides videos, articles for parents and for teachers, webcasts for teachers, and...

Northwestern University frames lessons which bring computational thinking enhanced activities into STEM classrooms.

Research the science and controversy around stem cell research and evaluate, defend or attack President Bush's ruling on federal spending regarding this issue. Create brochures to display knowledge and point of view.

An interactive tool where students can create a model of a greenhouse and use a light sensor to measure the amount of light it receives from a lamp at various times of the day. Temperature is also measured. Data is plotted on graphs,...

During this STEM lesson plan, students will watch a clip from Curious George. Students will use this lesson plan to guide children in investigating how different objects move in the wind (moving air).

Provides examples and a video lesson that illustrate line plots and stem-and-leaf plots. [1:12]

Curiosity Machine provides free, high-interest STEM activities for students. This home page provides links to categories of STEM activities.

Do you ever wonder what happens when a cloud gets too full? Find out in this easy and fun experiment.

Build a signal horn to make low-frequency sounds that can be heard from far away in this STEM lesson. Use this interactive site to document your design process. Included on the site is a video explaining a possible solution to the problem.

Curiosity Machine provides a free, high-interest STEM lessons for students. In this lesson, students will construct a stegosaurus tail that is capable of breaking through a piece of paper. Site includes process and tips to solve design...

Curiosity Machine provides a free, high-interest STEM lessons for students. This challenge asks students to create a bubble maze where bubbles move through several on and off switches. This site includes a place for students to document...

Inspire students to make a root system to help a plant stay put with simple materials like pipe cleaners, string, and marbles. This STEM challenge allows students to not only solve a problem but get tips and document their process all on...

An air mass forms when the air over a large region of Earth sits in one place for many days. The air gradually takes on the characteristics of the land or water below it. Where Earth's surface is cold, the air becomes cold. Where Earth's...

This web-based activity takes students through a series of pages in which they find out about the effects charged particles have on one another, discover how Coulomb's force works, and see some real-world examples. Multiple-choice and...

Lesson plan introduces students to stem-and-leaf plots. Many resources are available for student and teachers here.

Explore current new articles focusing on STEM topics. Learn about 3D printing, supermoon, earthquakes, and much more.

An online science radio show and podcast covering STEM topics of technology, medicine, and science. Includes experiment ideas, current scientific research, science news, science book reviews, and so much more.

Have you ever noticed how rocks appear to have stripes in them? What do you know about how fossils are formed? Explore this lesson to learn about the evolution of the earth and how we know what it used to be like long ago.

This activity teaches kids about variables by growing three different plants from seed and explains that variables are something that can be changed in an experiment.

For this lesson, students will learn about Galileo Galilei and space.

LEarn how cell biologists study the structure and function of cells, including the interactions that happen inside cells.

See how packaging engineers who work in the food industry create many different kinds of food packaging.

Lesson teaches about Marie Curie and Chemistry. Lab activities include making slime, elephant toothpaste, and snow, and also a balloon rise.