Show your class how combining two objects can create a new object in this hands-on science lesson. Students will learn why breaking apart an object doesn't change its mass.

Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.

This lesson will make your students realize that even though they take their heart for granted, the heart is working hard to pump blood to different parts of the body to keep them healthy and running!

Energy is an essential part of our daily lives, but the resources that power the Earth are being threatened. In this lesson, students learn about renewable and non-renewable resources, including those that need protection.

Walk, sleep, run, eat! We're constantly using energy, whether we're moving or not. In this lesson, students learn how their bodies are constantly converting potential energy into kinetic energy and kinetic energy back to potential energy.

Help your class gain a foundational understanding of matter by learning how to conduct inquiry and gain an understanding about the characteristics of gases. This lab will have your students amazed at what is really in the air.

In this teacher-approved lesson, students will make and play with oobleck (corn starch and water), then write about their experiments. Young scientists will have a blast seeing their oobleck mixtures seemingly come to life.

Use this lesson to teach your students about the planets that are the farthest away from the sun! Teach them about the planets with rings and the materials inside the rings.

Coral reef life comes alive in this fun label and match activity that challenges students’ deductive reasoning skills and allows for artistic expression.

Use this lesson to see how animals can have very interesting relationships. Some help each other, some benefit from others, and some hurt others. Young scientists are sure to benefit from this eye-opening lesson.

Don't you love when the leaves turn reddish orange and fall off the trees? This lesson provides a great way to clean up some of those leaves all while helping your students learn to classify different types of leaves.

Show your students the parts that work together to make a person breath! Have them compare the lungs of a healthy person, the lungs of a smoker, the lungs of a city resident, and the lungs of a miner.

Help your students learn about earth with this lesson that teaches them about the most basic component-dirt!

Eye love science! This lesson will help your students understand the parts of the eye that work together to make us visualize the different colors, shapes, and textures of objects around us.

Use this lesson to teach your students how the different parts of a brain are responsible for any act they do. This lesson will teach your students how a 3.5 pound organ controls a grown human being!

Heads up! Students become cloud experts before making custom clouds, complete with weather predictions!

One of the basic concepts in science is recognizing that all things can be classified as living or nonliving. In this lesson, your students will explore the characteristics of living and nonliving things with engaging hands-on activities.

What do a bicycle and a car have in common? They both move using the simple machine wheel and axle. In this lesson, students learn about how this simple machine works, and will identify objects that use a wheel and axle.

Give your students the opportunity to explore the perspectives of different characters by using the "See Think Wonder" Visible Thinking Routine from Harvard's Project Zero.

Let's learn about the human body. Students will enjoy discovering different connective tissues in this comprehensive science lesson.

Use this lesson to teach your students about the various types of forests by drawing them on a box!

Students connect dots to find stars used to navigate north and create a constellation of their own in this creative game format.

What is recycling all about? What can and can't be recycled? What can I do to help others understand the importance of recycling? This activity helps students answer all of these questions as they learn about saving planet Earth.

We aren’t mind readers, but we can still figure out why the author wrote a text and what an author thinks about the topic! This lesson will teach your students the main purposes for writing.

Use this lesson to teach your students about the characteristics of mammals and birds. Teach them about unique mammals and birds that do not have the characteristics of the average mammal and bird.

Science can be sticky! This interactive lesson with an ooey-gooey ending will solidify your students' understanding of the states of matter!

Use this lesson to teach your students the similarities and differences between Earth and the inner planets. They will be amazed by facts about our solar system!

Mad scientists! In this lesson, your students will explore electrical circuits and engage in a hands-on activity to create them. They will identify the differences between parallel and series circuits.

This lesson engages students in activity to help them understand the phases of the Moon, and why they occur. Students read literature, analyze it, and then apply it to the small group performance of one cycle of the Moon’s phases.

Get your students to be builders and create structures with a variety of materials. Students will have the opportunity to be creative, cooperate in groups, and discuss their experience.