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Ask questions to clarify evidence of the factors that have caused the rise in global temperatures over the past century.

Performance Expectation

Grade: 
Middle School (6-8)
Define the criteria and constraints of a design problem with sufficient precision to ensure a successful solution, taking into account relevant scientific principles and potential impacts on people and the natural environment that may limit possible solutions.

Performance Expectation

Grade: 
Middle School (6-8)
Evaluate competing design solutions using a systematic process to determine how well they meet the criteria and constraints of the problem.

Performance Expectation

Grade: 
Middle School (6-8)
Analyze data from tests to determine similarities and differences among several design solutions to identify the best characteristics of each that can be combined into a new solution to better meet the criteria for success.

Performance Expectation

Grade: 
Middle School (6-8)
Develop a model to generate data for iterative testing and modification of a proposed object, tool, or process such that an optimal design can be achieved.

Performance Expectation

Grade: 
Middle School (6-8)
Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.

Performance Expectation

Grade: 
High School (9-12)
Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.

Performance Expectation

Grade: 
High School (9-12)
Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.

Performance Expectation

Grade: 
High School (9-12)
Plan and conduct an investigation to gather evidence to compare the structure of substances at the bulk scale to infer the strength of electrical forces between particles.

Performance Expectation

Grade: 
High School (9-12)
Develop a model to illustrate that the release or absorption of energy from a chemical reaction system depends upon the changes in total bond energy.

Performance Expectation

Grade: 
High School (9-12)