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Skills available for Missouri high school science standards

Standards are in black and IXL science skills are in dark green. Hold your mouse over the name of a skill to view a sample question. Click on the name of a skill to practice that skill.

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Missouri Learning Standards: Biology Missouri Learning Standards: Biology
Missouri Learning Standards: Chemistry Missouri Learning Standards: Chemistry

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PS1 Matter and Its Interactions

PS1.A Structure and Properties of Matter
- 9-12.PS1.A.1 Use the organization of the periodic table to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.
- 9-12.PS1.A.2 Construct and revise an explanation for the products 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.
  - Classify chemical reactions (Ch-Q.1)
- 9-12.PS1.A.3 Plan and conduct an investigation to gather evidence to compare physical and chemical properties of substances such as melting point, boiling point, vapor pressure, surface tension, and chemical reactivity to infer the relative strength of attractive forces between particles.
  - Explore intermolecular forces and kinetic energy in phase diagrams (Ch-N.1)
- 9-12.PS1.A.4 Apply the concepts of bonding and crystalline/molecular structure to explain the macroscopic properties of various categories of structural materials, i.e. metals, ionic (ceramics), and polymers.
- 9-12.PS1.A.5 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.
  - Identify exothermic and endothermic processes (Ch-E.1)
PS1.B Chemical Reactions
- 9-12.PS1.B.1 Apply scientific principles and evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which a reaction occurs.
  - Factors that affect reaction rate (Ch-U.1)
- 9-12.PS1.B.2 Refine the design of a chemical system by specifying a change in conditions that would alter the amount of products at equilibrium.
  - Predict the equilibrium shift (Ch-V.1)
- 9-12.PS1.B.3 Use symbolic representations and mathematical calculations to support the claim that atoms, and therefore mass, are conserved during a chemical reaction.
PS1.C Nuclear Process
- 9-12.PS1.C.1 Use symbolic representations to illustrate the changes in the composition of the nucleus of the atom and the energy released during the processes of fission, fusion, and radioactive decay.
  - Classify nuclear reactions (Ch-H.1)

PS4 Waves and Their Applications in Technologies for Information Transfer

PS4.A Wave Properties
- 9-12.PS4.A.1 Use mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media.
- 9-12.PS4.A.2 Evaluate the claims, evidence, and reasoning behind the idea that electromagnetic radiation can be described either by a wave model or a particle model, and that for some situations one model is more useful than the other.
PS4.B Electromagnetic Radiation
- 9-12.PS4.B.1 Communicate technical information about how electromagnetic radiation interacts with matter.
- 9-12.PS4.B.2 Evaluate the validity and reliability of claims in published materials of the effects that different frequencies of electromagnetic radiation have when absorbed by matter.

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PS1 Matter and Its Interactions

PS1.A Structure and Properties of Matter

9-12.PS1.A.1 Use the organization of the periodic table to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.

9-12.PS1.A.2 Construct and revise an explanation for the products 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.

9-12.PS1.A.3 Plan and conduct an investigation to gather evidence to compare physical and chemical properties of substances such as melting point, boiling point, vapor pressure, surface tension, and chemical reactivity to infer the relative strength of attractive forces between particles.

9-12.PS1.A.4 Apply the concepts of bonding and crystalline/molecular structure to explain the macroscopic properties of various categories of structural materials, i.e. metals, ionic (ceramics), and polymers.

9-12.PS1.A.5 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.

PS1.B Chemical Reactions

9-12.PS1.B.1 Apply scientific principles and evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which a reaction occurs.

9-12.PS1.B.2 Refine the design of a chemical system by specifying a change in conditions that would alter the amount of products at equilibrium.

9-12.PS1.B.3 Use symbolic representations and mathematical calculations to support the claim that atoms, and therefore mass, are conserved during a chemical reaction.

PS1.C Nuclear Process

9-12.PS1.C.1 Use symbolic representations to illustrate the changes in the composition of the nucleus of the atom and the energy released during the processes of fission, fusion, and radioactive decay.

PS4 Waves and Their Applications in Technologies for Information Transfer

PS4.A Wave Properties

9-12.PS4.A.1 Use mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media.

9-12.PS4.A.2 Evaluate the claims, evidence, and reasoning behind the idea that electromagnetic radiation can be described either by a wave model or a particle model, and that for some situations one model is more useful than the other.

PS4.B Electromagnetic Radiation

9-12.PS4.B.1 Communicate technical information about how electromagnetic radiation interacts with matter.

9-12.PS4.B.2 Evaluate the validity and reliability of claims in published materials of the effects that different frequencies of electromagnetic radiation have when absorbed by matter.