## Reflection: Developing a Conceptual Understanding Exploring Forces (Part 2) - Section 3: Explore

Fundamental to this lesson is the Crosscutting Concept of Scale, Proportion, and Quantity. It ordered to analyze the forces acting on the card, students have to consider the types of forces, the intensity of the force, its direction, and how it's affects the other forces. Using vectors as a visual/conceptual model helps to make this process more understandable. Later the corresponding mathematical values for these vectors can be added to build on students' conceptual understanding.

CCC: Scale, proportion, and quantity
Developing a Conceptual Understanding: CCC: Scale, proportion, and quantity

# Exploring Forces (Part 2)

Unit 7: Movement of Objects in Space & Time
Lesson 7 of 12

## Big Idea: Use this lesson to help students make sense of Newton's Second Law.

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Standards:
Subject(s):
Science, Forces and Newton's Laws, Newton's Second Law, Acceleration Formulas, physics, Graphing, time, movement, space
75 minutes

### Ryan Keser

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