CH.PS1: Matter and Its Interactions

CH.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.

Electron Configuration
Element Builder
Periodic Trends

CH.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, knowledge of the patterns of chemical properties, and formation of compounds.

Covalent Bonds
Ionic Bonds
Periodic Trends

CH.PS1.3: Plan and conduct an investigation to compare the structure of substances at the bulk scale level to infer the strength of electrical forces between particles.

Melting Points
Polarity and Intermolecular Forces

CH.PS1.4: 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.

Feel the Heat
Reaction Energy

CH.PS1.5: Apply scientific principles and evidence to provide an explanation about the effects of changing the conditions of the reacting particles on the rate at which a reaction occurs.

Collision Theory

CH.PS1.6: Refine the design of a chemical system by specifying a change in conditions that would produce a change in the amounts of products at equilibrium.

Equilibrium and Concentration
Equilibrium and Pressure

CH.PS1.7: Use mathematical representations to support the claim that atoms, and therefore mass, are conserved during a chemical reaction.

Balancing Chemical Equations
Chemical Changes
Chemical Equations
Moles
Stoichiometry

CH.PS1.8: Develop models to illustrate the changes in composition of the nucleus of the atom and the energy released during the processes of fission, fusion, and radioactive decay.

Average Atomic Mass
Half-life
Isotopes
Nuclear Decay
Nuclear Reactions

CH.PS2: Motion Stability: Forces and Interactions

CH.PS2.6: Communicate scientific and technical information about why the molecular level structure of designed materials determines how the material functions.

Feel the Heat

CH.PS3: Energy

CH.PS3.3: Design, build, and refine a device that works within given constraints to convert one form of energy into another form of energy.

Feel the Heat
Trebuchet

CH.PS3.4: Plan and conduct an investigation to provide evidence that the transfer of thermal energy between components in a closed system involves changes in energy dispersal and heat content and results in a more uniform energy distribution among the components in the system (second law of thermodynamics).

Calorimetry Lab
Conduction and Convection
Heat Transfer by Conduction

CH.PS4: Waves and Their Applications in Technologies for Information Transfer

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

Earthquakes 1 - Recording Station
Refraction
Ripple Tank
Waves

CH.PS4.3: Develop an argument for how scientific evidence supports the explanation that electromagnetic radiation can be described either by the wave model or the particle model, and in some situations one model is more useful than the other.

Basic Prism
Photoelectric Effect