What are the processes that have created all the known matter in our universe? What evidence can be used to provide a better understanding of the modern theories?
What systems can prove physical properties of matter? What systems can be used to prove chemical properties of matter?
Using models, how can you describe and demonstrate the Law of Conservation of Matter? Energy?
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.
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.
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.
Communicate scientific and technical information about why the molecular-level structure is important in the functioning of designed materials.
Evaluate a solution to a complex real-world problem based on prioritized criteria and trade-offs that account for a range of constraints, including cost, safety, reliability, and aesthetics, as well as possible social, cultural, and environmental impacts.
Chemistry Safety and Measurement Standards
HS-PS1-1. 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.
HS-PS1-2. 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.
HS-PS1-3. 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.
HS-PS2-6. Communicate scientific and technical information about why the molecular-level structure is important in the functioning of designed materials.
HS-ETS1-3. Evaluate a solution to a complex real-world problem based on prioritized criteria and trade-offs that account for a range of constraints, including cost, safety, reliability, and aesthetics, as well as possible social, cultural, and environmental impacts.
Asking Questions and Defining Problems-Ask questions that arise from examining models or a theory, to clarify and/or seek additional information and relationships. Students could ask questions that arise from examining the periodic table to seek additional information and [identify] relationships for how the table orders elements and places those with similar chemical properties in columns [based on] patterns of outer electron states.
Developing and Using Models-Develop and/or use multiple types of models to provide mechanistic accounts and/or predict phenomena, and move flexibly between model types based on merits and limitations.
Planning and Carrying Out Investigations-Plan an investigation or test a design individually or collaboratively to produce data to serve as the basis for evidence as part of building and revising models, supporting explanations for phenomena, or testing solutions to problems. Consider possible confounding variables or effects and evaluate the investigation’s design to ensure variables are controlled.
Analyzing and Interpreting Data-Analyze data to identify design features or characteristics of the components of a proposed process or system to optimize it relative to criteria for success.
Using Mathematical and Computational Thinking-Apply ratios, rates, percentages, and unit conversions in the context of complicated measurement problems involving quantities with derived or compound units (such as mg/mL, kg/m3, acre-feet, etc.).
Constructing Explanations and Designing Solutions-Design, evaluate, and/or refine a solution to a complex real-world problem, based on scientific knowledge, student generated sources of evidence, prioritized criteria, and tradeoff considerations.
Engaging in argument from Evidence-Evaluate the claims, evidence, and/or reasoning behind currently accepted explanations, new evidence, limitations (e.g. trade-offs), constraints, and ethical issues.
Obtaining, Evaluating, and Communication Information-Evaluate the validity and reliability of multiple claims that appear in scientific and technical texts or media reports, verifying the data when possible.
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