Question breakdown in Switchgrass as a Biofuel Crop (Q46–Q50)
| Question | Response Type | Topic | NYSP12SLS Standard | Action |
|---|---|---|---|---|
| Question 46 | 1-credit Multiple Choice (4 options) | Photosynthesis | HS-LS1-5 | Solve in workspace → |
| Question 47 | 1-credit Constructed Response (rubric-scored) | Stoichiometry and conservation | HS-PS1-7 | Solve in workspace → |
| Question 48 | 1-credit Constructed Response (rubric-scored) | Engineering design | HS-ETS1-3 | Solve in workspace → |
| Question 49 | 1-credit Multiple Choice (4 options) | Engineering design | HS-ETS1-2 | Solve in workspace → |
| Question 50 | 1-credit Multiple Choice (4 options) | Electromagnetic radiation | HS-PS4-4 | 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 |
| 21–25 | Wet Chemistry on MarsA 2008 lander's soil-and-water tests: electronegativity, molarity and salt solubility, and acids and pHPeriodic patterns · Solutions · Acids and bases (HS-PS1-1, HS-PS1-10, HS-PS1-11) | 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 |
Frequently asked questions
- How is Switchgrass as a Biofuel Crop · Chemistry Practice Examination · 123 Chemistry Regents Cluster (Q46–Q50) structured on New Regents?
- A native grass grown and burned for power: the carbon cycle, mole-to-mass calculations, and bright-line spectra. Practice the Switchgrass as a Biofuel Crop phenomenon cluster (Q46–Q50: 3 MC, 2 CR) from Chemistry Practice Examination · 123 (Physical Science: Chemistry). Covers Photosynthesis, Stoichiometry and conservation, Engineering design, Electromagnetic radiation (HS-LS1-5, HS-PS1-7, HS-ETS1-3, HS-ETS1-2, HS-PS4-4) 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.