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.

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

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.