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.

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!

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.

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.

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.

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!

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.

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

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.

Use this lesson to teach your students about the different types of species and how to categorize them! Your students will learn characteristics about vertebrates and invertebrates.

Every experiment begins with a hypothesis. In this hands-on science lesson, young botanists will learn about making educated guesses by planting and observing the growth of their very own lima bean seeds.

Leap into a spring lesson plan about the water cycle, with the help of a friend in the book The Little Raindrop. Students will learn features of the water cycle and retell the journey of the raindrop verbally and in writing.

Use hands-on activities involving play dough to show your students the layers of the Earth!

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

Scientists observe and classify the world around them! In this lesson, your students will practice their processing skills by observing a group of objects and grouping the objects based on their attributes.

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!

Get your young scientists out of the classroom and into nature with this interactive science lesson.

This fun and interactive lesson will teach your students the scientific method to find out if something sinks or floats with a little help from Cookie Monster.

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.

Sink or float? This simple lesson has students guess the densities of different objects and place them into water to test their predictions.

ELs will gain valuable practice learning about text features as they practice close reading and communication skills during a nonfiction picture walk. Use on its own or as a support for the Classifying Nonfiction Text Features lesson plan.

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.

This hands-on lesson will get your students to investigate some mystery liquids, and they will have to use their observational skills to figure out what they are.

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.

The science of matter becomes as fun as it is educational when George gets in the mix! After watching Curious George work with his 'floppafication' pot, students will learn about matter and force.

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.

Teach your students about different types of rocks and how they're formed, using objects that your class is familiar with.

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 will learn their place in our solar system with this lesson that teaches them about different celestial bodies and their movement within the solar system.