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?

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...

Students will investigate different ways to wind can move things. They will blow, wave, and fan to move objects across a table.

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

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.

Would you believe us if we told you we could make an egg bounce without breaking? Check out this experiment. It requires just three ingredients and five easy steps to learn how to bounce an egg.

Students learn how to create stem-and-leaf diagrams and boxplots by collecting data on the surface tension of water molecules. This hands-on activity using pennies is a great way to learn how to organize data.

Read everything there is to know about the basics of notes. From their durations, their shapes and their stems, you will learn how notes are used in music.

Can you create a blooming flower that would attract pollinators? This Curiosity Machine project challenges students to make this flower using common household items. Site includes a place for students to document their process as well as...

Create a series of shadow boxes to form a complete silhouette of a dinosaur with this challenge. To complete this challenge, students will use everyday materials and this site to document their process.

Use this site to plan, document, and build a self-propelling boat that can travel a set distance. Students will use common materials to build this boat.

Are you ready to challenge yourself to make a peg board that lets you test multiple linkage systems and movements? This site contains not only the challenge but a platform to document your process as you solve the problem.