Review balanced and unbalanced forces with slides (PowerPoint or Google Slides), notes, study guide, and a quiz. Third or fourth grade students take notes as the teacher discusses forces on land, in water, and in the air. This mini lesson works well as a follow-up to investigation or for test prep. Open the preview to take a closer look. Scripted notes appear on the teacher's screen when played in presenter view.Key points emphasize concepts for NGSS 3-PS2-1 and other state standards:Balanced f