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National Science Education Standards addressed:

Grades 5–8
Unifying Concepts and Processes:
       Evidence, Models, and Explanation
       • Models are tentative schemes or structures that correspond to real objects, events, or classes of events, and that
         have explanatory power. Models help scientists and engineers understand how things work.

Science as Inquiry:
       Abilities necessary to do scientific inquiry
       • Develop descriptions, explanations, predictions, and models using evidence
       • Use mathematics in all aspects of scientific inquiry

Earth and Space Science:
       Earth in the Solar System
       • Most objects in the solar system are in regular and predictable motion

Physical Science:
       Motion and Forces
       • The motion of an object can be described by its position, direction of motion, and speed
       • That motion can be measured and represented on a graph

Science and Technology:
       Abilities of Technological Design
       • Design a solution or product
       • Implement a proposed design
       • Evaluate completed technological designs or products

National Council of Teachers of Mathematics Expectations addressed:

Grades 6–8
       • Use symbolic algebra to represent situations and to solve problems, especially those that involve
         linear relationship
       • Model and solve contextualized problems using various representations, such as graphs, tables, and equations
       • Solve simple problems involving rates and derived measurements for such attributes as velocity and density