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

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.

Introduce your students to the scientific concept of sink or float. This hands-on experiment allows them to see which objects sink and which float. The concepts taught will be solidified with the completion of worksheets.

In this lesson, students will explore the different clouds and use their imagination at the same time!

In this lesson, students will explore the life cycle of a pumpkin plant. Then they will have the chance to grow their own!

Your preschoolers' tactile abilities will be activated with this lesson as they explore their sense of touch.

Give your young forest rangers a chance to see all the things a tree can be in this hands-on science lesson. Your class will learn about the parts of a tree and the science of decay.

Students will have a zoo learning about the foods zoo animals eat. Your students will decide what zoo animals are supposed to eat, what they're not supposed to eat, and learn why people and animals have different diets.

Help your students' reasoning skills grow with this activity that has them make educated guesses on whether or not an item will be attracted to a magnet.