Change in an object’s motion depends on the sum of the forces on the object and the mass of the object Video Lesson

About This Video

Curriculum-aligned Grade 6 Science lesson video for Change in an object’s motion depends on the sum of the forces on the object and the mass of the object. Use it for classroom preview, instruction support, or home review.

This watch page is dedicated to the video. For the complete text lesson plan, activities, standards alignment, and answer guides, use the companion lesson page: Change in an object’s motion depends on the sum of the forces on the object and the mass of the object lesson plan.

Video Learning Notes

This lesson helps students understand that an object's motion changes depending on the total forces acting on it and its mass. Through planning and conducting an investigation, students gather evidence showing that greater forces cause greater changes in motion and that heavier objects require more force to change their motion. This supports Newton’s Second Law of Motion and builds foundational scientific reasoning skills.

Learning Goals

• Plan an investigation to test how the sum of forces acting on an object affects its motion.
• Explain how the mass of an object influences the change in its motion when forces are applied.
• Use evidence from an investigation to support claims about the relationship between force, mass, and motion.
• Develop and revise scientific models or explanations based on experimental data.

Curriculum Context

Grade: Grade 6

Subject: Science

Curriculum: NGSS