# Scaffolds for NGSS Developing and Using Models - For Middle School

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284 KB|13 pages
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1. This product is designed to help you teach students to use the Science and Engineering Practices in your NGSS aligned classroom. This bundle will help your students with the following Science and Engineering Practices:Asking QuestionsDeveloping and Using ModelsEngaging in an Argument Using Evidence
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Product Description

This resource contains several graphic organizers that can be used to help students build better models. These graphic organizers are:

• The Before-During-After and First-Second-Third Models: This graphic organizer is designed to help students show what happened before, during or after an event occurred or to create a sequence of events.
• Less-More-Stays the Same Models: This graphic organizer is designed to help students show what would happen if a variable changes. For example, students could use this model to show how particle motion changes when the temperature increases or decreases. Students should also describe evidence from class that supports the components that they have included in their model.
• Relationship Between Variables Model: Students can use this graphic organizer to show the relationship between variables. Students should provide evidence from simulations, observations, investigations etc. to support their model.
• Scale Models: In middle school, students should include seen and unseen mechanisms in their models. One way to do this is to encourage students to create models at different scales. This also helps to incorporate the crosscutting concept of scale, proportion and quantity.
• Model Compare and Contrast: This is used to have students compare their models. This allows students to use peer feedback for the purpose of revising their models.

*Some of these graphic organizers are also included in the grade 3-5 Modeling

This resource also contains:

• Model Talk: These are sentence frames to help students discuss their models.
• All About Models: This is reference sheet that can be placed in student notebooks. It is a general overview of the purpose of modeling.

Standards Alignment:

This resource was designed to help students with the Science and Engineering Practice Developing and Using Models. It aligns with the following components from the 6th-8th grade band of the NSTA Matrix Fork for the Science and Engineering Practices.

• Develop or modify a model—based on evidence – to match what happens if a variable or component of a system is changed.
• Use and/or develop a model of simple systems with uncertain and less predictable factors.
• Develop and/or revise a model to show the relationships among variables, including those that are not observable but predict observable phenomena.
• Develop and/or use a model to predict and/or describe phenomena.
• Develop a model to describe unobservable mechanisms.
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