# Relating Formulas to Common Sense: "Oomph"

Contributor
Andy Elby University of Maryland Physics Education Research Group
Type Category
Instructional Materials
Types
Lesson/Lesson Plan , Tutorial , Activity
Note
This resource, vetted by NSTA curators, is provided to teachers along with suggested modifications to make it more in line with the vision of the NGSS. While not considered to be "fully aligned," the resources and expert recommendations provide teachers with concrete examples and expert guidance using the EQuIP rubric to adapted existing resources. Read more here.

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## Description

There are several tutorials on the page for this link. This review is under the subheading "Momentum and Energy." It is a small group tutorial that leads students through the construction of an understanding of the concept of momentum and its conservation.

Intended Audience

Educator and learner
Educational Level
• High School
Language
English
Access Restrictions

Free access - The right to view and/or download material without financial, registration, or excessive advertising barriers.

#### Performance Expectations

HS-PS2-2 Use mathematical representations to support the claim that the total momentum of a system of objects is conserved when there is no net force on the system.

Clarification Statement: Emphasis is on the quantitative conservation of momentum in interactions and the qualitative meaning of this principle.

Assessment Boundary: Assessment is limited to systems of two macroscopic bodies moving in one dimension.

This resource is explicitly designed to build towards this performance expectation.

This is a tutorial that leads the students to build a conceptual understanding and definition of momentum, and then construct the law of conservation of momentum as an equation.

#### Science and Engineering Practices

This resource is explicitly designed to build towards this science and engineering practice.

The tutorial guides the students through the creation of an explanation based on the momentum calculation.The tutorial builds from a simple to a more complex scenario and has the student build an understanding of the concept of inertia through the exercises.

#### Disciplinary Core Ideas

This resource is explicitly designed to build towards this disciplinary core idea.

The tutorial leads the students through the process of building a definition of momentum. There are several specific situations in which the frame of reference of a situation is explored.

#### Crosscutting Concepts

This resource appears to be designed to build towards this crosscutting concept, though the resource developer has not explicitly stated so.

In order to use the conservation of momentum, a system has to be defined and any inputs and outputs that affect the system need to be considered.

This resource is explicitly designed to build towards this crosscutting concept.