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.

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.