Contact Forces

Grade 745 min

aligned to 1.a Develop A Model To Describe Interactions Between Two Objects As They Collide And Show The Changes That Occur In The Structure Of Both Objects When One Object Is Damaged As A Result And Also When Neither Object Is Damaged As A Result. 1.b Ask Questions That Arise From Observations Of Collisions Between Two Objects In Order To Seek Additional Information About Factors (causes) That Might Affect The Outcome Of Such Collisions.

Learning Objective

I can explain how contact forces can change the structure of colliding objects.

Lesson Flow

Watch Video

5 min

What is Force? | Contact Force and Non-Contact Force | Science Lesson

Unknown Channel

Practice

14 min

12 questions • Short answer

Exit Ticket

5 min

ā€œDescribe what happens to a clay ball when you squeeze it with your hand. Explain how the contact force from your hand changes the clay ball's structure. Imagine a hammer hitting a nail. Explain how the contact force between the hammer and the nail changes the nail's structure as it goes into a piece of wood. ā€

Teacher Guide

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  • Answer keys for all questions
  • Differentiation strategies
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