Newton's Third Law

Grade 745 min

aligned to Ms-ps2-1

Learning Objective

I can explain Newton's 3rd Law by describing how every action has an equal and opposite reaction.

Lesson Flow

Watch Video

5 min

STEMonstrations: Newton's Third Law of Motion

Unknown Channel

Practice

14 min

7 questions • Short answer

Exit Ticket

5 min

A swimmer pushes against the water with a force of 15 N. Describe the reaction force that the water exerts on the swimmer and explain how this demonstrates Newton's Third Law. A skateboarder pushes off the ground with a force of 20 N. Explain the reaction force that the ground exerts back on the skateboarder and how this illustrates Newton's Third Law.

Teacher Guide

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  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts