Free Printable WorksheetScienceGrade 11Science CurriculumNGSS HS-PS1-3; AP Chem Unit 3; CCSS HSN-Q.A.1-3 and HSS-ID

11.49 Solids, Liquids, and Gases at the Particle Level Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Chemistry Science worksheet provides structured practice on 11.49 Solids, Liquids, and Gases at the Particle Level. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Solids, Liquids, and Gases at the Particle Level: Compare particle arrangement, motion, energy, volume, shape, density, and compressibility across phases of matter. Aligned to NGSS, CCSS, AP Chemistry/Pre-AP Chemistry, and representative state chemistry framework crosswalks NGSS HS-PS1-3; AP Chem Unit 3; CCSS HSN-Q.A.1-3 and HSS-ID - Solids, Liquids, and Gases at the Particle Level Chemistry Standards Crosswalk: National: NGSS HS-PS1-3; AP Chem Unit 3; CCSS HSN-Q.A.1-3 and HSS-ID. State frameworks: TX TEKS 112.43(c)(7), (10), (11); FL SC.912.P.8.1, P.8.6; NY HS-PS1-9/10 connections; MA/CA/NJ chemistry structure-property standards; GA/VA states and gas standards.

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Chemistry

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 11.49 Solids, Liquids, and Gases at the Particle Level skill assessments:

Problem 1Difficulty: Mastery

Which synthesis best connects particle models to macroscopic phase properties?

AMacroscopic properties depend on particle color rather than spacing and motion.

BFixed close particles explain solid shape, close mobile particles explain liquid volume and flow, and widely spaced particles explain gas expansion and compressibility.

CSolids, liquids, and gases differ only in chemical identity, not arrangement.

DParticle models show that only gases contain moving particles.

Solution & Explanation:Shape, volume, density, and compressibility are explained by particle spacing, arrangement, and motion. Solids are fixed and close, liquids are close but mobile, and gases are widely spaced and mobile.

Problem 2Difficulty: Mastery

Use the rigid-canister cooling diagram. What happens to pressure when the gas cools from 300 K to 250 K at constant volume?

APressure increases because particles become larger when cooled.

BPressure decreases because particles move slower and collide less forcefully with the walls.

CPressure stays the same because temperature does not affect particle motion.

DPressure becomes zero because cooled gases stop moving completely.

Solution & Explanation:Cooling lowers average kinetic energy. In a rigid container, slower particles collide less forcefully and usually less often with the walls, lowering pressure.

Problem 3Difficulty: Mastery

A student says, 'A gas is mostly nothing.' Which correction is most precise?

AA gas is only energy and has no particles.

BA gas contains no matter because it is invisible.

CA gas has particles packed as closely as a solid.

DA gas sample has matter particles with mass, but much of its volume is empty space between particles.

Solution & Explanation:Gases are matter because they consist of particles with mass. The particles are widely spaced, so much of the sample volume is empty space.

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Frequently Asked Questions

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Chemistry Science students. It aligns with educational standard NGSS HS-PS1-3; AP Chem Unit 3; CCSS HSN-Q.A.1-3 and HSS-ID (National: NGSS HS-PS1-3; AP Chem Unit 3; CCSS HSN-Q.A.1-3 and HSS-ID. State frameworks: TX TEKS 112.43(c)(7), (10), (11); FL SC.912.P.8.1, P.8.6; NY HS-PS1-9/10 connections; MA/CA/NJ chemistry structure-property standards; GA/VA states and gas standards.).