Question breakdown in Wet Chemistry on Mars (Q21–Q25)
| Question | Response Type | Topic | NYSP12SLS Standard | Action |
|---|---|---|---|---|
| Question 21 | 1-credit Multiple Choice (4 options) | Periodic patterns | HS-PS1-1 | Solve in workspace → |
| Question 22 | 1-credit Constructed Response (rubric-scored) | Solutions | HS-PS1-10 | Solve in workspace → |
| Question 23 | 1-credit Multiple Choice (4 options) | Solutions | HS-PS1-10 | Solve in workspace → |
| Question 24 | 1-credit Constructed Response (rubric-scored) | Acids and bases | HS-PS1-11 | Solve in workspace → |
| Question 25 | 1-credit Multiple Choice (4 options) | Acids and bases | HS-PS1-11 | Solve in workspace → |
Other clusters in Chemistry Practice Examination · 123
| Questions | Cluster & Topics | Format | Practice |
|---|---|---|---|
| 1–5 | George de Hevesy’s Radioactive TracerA 1923 study of how bean plants take up lead: isotopes, half-life and beta decay, and mass from a formulaNuclear chemistry · Stoichiometry and conservation · Engineering design (HS-PS1-8, HS-PS1-7, HS-ETS1-1) | 3 MC, 2 CR | Practice cluster |
| 6–10 | A Firefighter’s Turnout GearHeat-resistant fibers in firefighter coats: hydrogen bonds, electronegativity trends, atoms in an equationEngineering design · Materials and structure · Periodic patterns · Intermolecular forces · Stoichiometry and conservation (HS-ETS1-3, HS-PS2-6, HS-PS1-1, HS-PS1-3, HS-PS1-7) | 3 MC, 2 CR | Practice cluster |
| 11–15 | Rising Bread DoughYeast fermentation in rising and baking dough: conservation of mass, evaporation, and gas volume and temperatureSolutions · Stoichiometry and conservation · Thermochemistry · Gases (HS-PS1-10, HS-PS1-7, HS-PS1-3, HS-PS1-9) | 3 MC, 2 CR | Practice cluster |
| 16–20 | Diesel Exhaust Fluid for TrucksUrea solution sprayed into exhaust to remove smog-forming NO: solubility curves, oxidation numbers, and mole ratiosIntermolecular forces · Solutions · Oxidation and reduction · Stoichiometry and conservation · Engineering design (HS-PS1-3, HS-PS1-10, HS-PS1-2, HS-PS1-7, HS-ETS1-3) | 3 MC, 2 CR | Practice cluster |
| 26–30 | Epoxy Glue in a Cold GarageChoosing a hardener for gluing a cabinet in the cold: energy changes, temperature and reaction rate, and bond breakingThermochemistry · Reaction rates · Stoichiometry and conservation · Bonding and formulas (HS-PS1-4, HS-PS1-5, HS-PS1-7, HS-PS1-2) | 3 MC, 2 CR | Practice cluster |
| 31–35 | Ski Goggles That Darken in SunlightLens dyes that switch form under UV light: the electromagnetic spectrum, temperature and reaction rate, and equilibriumElectromagnetic radiation · Equilibrium · Reaction rates · Engineering design (HS-PS4-4, HS-PS1-6, HS-PS1-5, HS-ETS1-3) | 3 MC, 2 CR | Practice cluster |
| 36–40 | Saving Iron from a Lake Champlain ShipwreckPulling chloride out of recovered iron objects: chemical formulas and bonding, electrolysis, and parts per millionBonding and formulas · Oxidation and reduction · Solutions · Engineering design (HS-PS1-2, HS-PS1-12, HS-PS1-10, HS-ETS1-3) | 3 MC, 2 CR | Practice cluster |
| 41–45 | Why Steam Burns Are WorseWater vapor condensing on skin: cooling curves, heat of vaporization, and boiling points of Group 16 compoundsThermochemistry · Intermolecular forces (HS-PS1-4, HS-PS3-1, HS-PS1-3) | 3 MC, 2 CR | Practice cluster |
| 46–50 | Switchgrass as a Biofuel CropA native grass grown and burned for power: the carbon cycle, mole-to-mass calculations, and bright-line spectraPhotosynthesis · Stoichiometry and conservation · Engineering design · Electromagnetic radiation (HS-LS1-5, HS-PS1-7, HS-ETS1-3, HS-ETS1-2, HS-PS4-4) | 3 MC, 2 CR | Practice cluster |
Frequently asked questions
- How is Wet Chemistry on Mars · Chemistry Practice Examination · 123 Chemistry Regents Cluster (Q21–Q25) structured on New Regents?
- A 2008 lander's soil-and-water tests: electronegativity, molarity and salt solubility, and acids and pH. Practice the Wet Chemistry on Mars phenomenon cluster (Q21–Q25: 3 MC, 2 CR) from Chemistry Practice Examination · 123 (Physical Science: Chemistry). Covers Periodic patterns, Solutions, Acids and bases (HS-PS1-1, HS-PS1-10, HS-PS1-11) with the 2025 Reference Tables and scoring guide. Every question is worth 1 raw credit and pairs with the 2025 Edition Reference Tables, automatic multiple-choice key checking, and step-by-step constructed-response scoring guidance.
- Can I practice one phenomenon cluster at a time or sit the full exam?
- Yes. In the New Regents workspace you can launch any individual 4–6 question cluster in Learn mode (with strategy prompts) or sit the complete examination in Exam mode, then review every answer against the official-style scoring guide.