Gizmos for Virginia - Science: Chemistry I (Standards of Learning adopted 2018)

This correlation lists the recommended Gizmos for this state's curriculum standards. Click any Gizmo title below for more information.

CH.1: The student will demonstrate an understanding of scientific and engineering practices by

CH.1.a: asking questions and defining problems

CH.1.a.3: make hypotheses that specify what happens to a dependent variable when an independent variable is manipulated

CH.1.a.4: generate hypotheses based on research and scientific principles

CH.1.a.5: define design problems that involve the development of a process or system with interacting components, criteria and constraints

CH.1.b: planning and carrying out investigations

CH.1.b.1: individually and collaboratively plan and conduct observational and experimental investigations

CH.1.b.3: select and use appropriate tools and technology to collect, record, analyze, and evaluate data

CH.1.c: interpreting, analyzing and evaluating data

CH.1.c.1: record and present data in an organized format that communicates relationships and quantities in appropriate mathematical or algebraic forms

CH.1.c.2: use data in building and revising models, supporting explanations for phenomena, or testing solutions to problems

CH.1.c.3: solve problems using mathematical manipulations including the International System of Units (SI), scientific notation, derived units, significant digits, and dimensional analysis

CH.1.c.4: analyze data using tools, technologies, and/or models (e.g., computational, mathematical) to make valid and reliable scientific claims or determine an optimal design solution

CH.1.c.5: analyze data graphically and use graphs to make predictions

CH.1.c.8: analyze data to optimize a design

CH.1.d: constructing and critiquing conclusions and explanations

CH.1.d.1: construct and revise explanations based on valid and reliable evidence obtained from a variety of sources

CH.1.d.2: apply scientific ideas, principles, and/or evidence to provide an explanation of phenomena or design solutions

CH.1.e: developing and using models

CH.1.e.2: develop, revise, and/or use models based on evidence to illustrate or predict relationships

CH.1.e.3: use models and simulations to visualize and explain the movement of particles, to represent chemical reactions, to formulate mathematical equations, and to interpret data sets

CH.2: The student will investigate and understand that elements have properties based on their atomic structure. The periodic table is an organizational tool for elements based on these properties. Key information pertaining to the periodic table includes

CH.2.a: average atomic mass, isotopes, mass number, and atomic number;

CH.2.b: nuclear decay;

CH.2.c: trends within groups and periods including atomic radii, electronegativity, shielding effect, and ionization energy;

CH.2.d: electron configurations, valence electrons, excited electrons, and ions; and

CH.2.e: historical and quantum models.

CH.3: The student will investigate and understand that atoms are conserved in chemical reactions. Knowledge of chemical properties of the elements can be used to describe and predict chemical interactions. Key ideas include

CH.3.a: chemical formulas are models used to represent the number of each type of atom in a substance;

CH.3.c: balanced chemical equations model rearrangement of atoms in chemical reactions;

CH.3.d: atoms bond based on electron interactions;

CH.3.f: reaction types can be predicted and classified.

CH.4: The student will investigate and understand that molar relationships compare and predict chemical quantities. Key ideas include

CH.4.a: Avogadro’s principle is the basis for molar relationships; and

CH.4.b: stoichiometry mathematically describes quantities in chemical composition and in chemical reactions.

CH.5: The student will investigate and understand that solutions behave in predictable and quantifiable ways. Key ideas include

CH.5.a: molar relationships determine solution concentration;

CH.5.b: changes in temperature can affect solubility;

CH.5.d: pH and pOH quantify acid and base dissociation; and

CH.5.e: colligative properties depend on the extent of dissociation.

CH.6: The student will investigate and understand that the phases of matter are explained by the kinetic molecular theory. Key ideas include

CH.6.a: pressure and temperature define the phase of a substance;

CH.6.b: properties of ideal gases are described by gas laws; and

CH.6.c: intermolecular forces affect physical properties.

CH.7: The student will investigate and understand that thermodynamics explains the relationship between matter and energy. Key ideas include

CH.7.a: heat energy affects matter and interactions of matter;

CH.7.b: heating curves provide information about a substance;

CH.7.c: reactions are endothermic or exothermic;

CH.7.d: energy changes in reactions occur as bonds are broken and formed;

CH.7.e: collision theory predicts the rate of reactions;

CH.7.f: rates of reactions depend on catalysts and activation energy; and

Correlation last revised: 4/13/2026

Virginia - Science: Chemistry I

Standards of Learning | Adopted: 2018