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

This lesson, perfect for first and second grade learners, will help kids become environmental activists as they think of ways to help the Earth! First, students will brainstorm examples of what it means to reduce, reuse, and recycle. Next, students will partake in a creative art project where they trace their hands and think of way ways they can give the planet a hand. This engaging activity integrates creative writing skills and Earth science.

Use this lesson to have your students learn about producers and consumers by pretending to be one.

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

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.

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

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 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.

Come on in, the water’s fun! In this activity, students see the water cycle in action with ordinary objects and learn the water the dinosaurs tasted is still around.

If you are studying the different types of rocks then this is the lesson for your class. This lesson will take your students beyond the textbook and into the environment.

Use this lesson to show your students how food travels from the mouth to the stomach. Additionally, show them how the digestive system delivers important nutrients to other parts of the body and also excretes wastes from the body.

In this lesson, students will solve a design problem as they create a marble maze out of LEGO bricks.

Provide students with an opportunity to closely examine the difference between a topic and main idea in a nonfiction text. Use as a stand-alone activity or a support for the Finding the Main Idea and Details in a Nonfiction Text lesson.

In this lesson, your students will explore the properties of solids and learn to describe them in various ways.

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.

From seed to flower, students will learn all about the life cycle of a plant in this science lesson. Your class will discover what living things need to grow, and learn the various stages of a plant’s life span, with new vocabulary words.

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.

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.

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.

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.

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!

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.

This lesson will provide students with an opportunity to become more comfortable with identifying and defining academic vocabulary words in a nonfiction text about a chicken's life cycle to support comprehension.

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 show your students the different types of solids, liquids, and gases. Show them how a solid turns into a liquid and how a liquid turns into a gas by using real life examples.

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

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.

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.