Fundamentals of States of Matter: Gas, Liquid, and Solid — PickAClass
⏱ 2h 42m 📚 27 lessons 🎧 Audio version

Fundamentals of States of Matter: Gas, Liquid, and Solid

Master the essential principles of intermolecular forces, phase transitions, and the kinetic theory of gases, perfect for students starting physical science studies.

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About this course

Everything around you exists in one of several states of matter. Understanding the fundamental forces and laws that govern these states is crucial for success in foundational chemistry and physics. By the end of this course, you will have a solid theoretical foundation in the behavior of gases, liquids, and solids, enabling you to predict how substances react under changing conditions of temperature and pressure. What you'll learn: * Understand the key characteristics distinguishing solids, liquids, and gases. * Apply fundamental gas laws, including the Ideal Gas Law and Dalton's Law of Partial Pressures. * Analyze the role of intermolecular forces (IMFs) in determining physical properties and phase changes. * Master the principles of the Kinetic Molecular Theory and the Maxwell-Boltzmann distribution of molecular speeds. * Interpret complex phase diagrams to identify critical points and triple points. * Practice calculations related to density, pressure, volume, and temperature changes in different states. The course begins with foundational definitions and key terminology, progresses through the detailed study of gas laws, and concludes with an in-depth examination of liquids, solids, and phase transitions. You will work through structured explanations and practice exercises to solidify your understanding. This course is specifically designed for absolute beginners in chemistry or physics. No prior scientific knowledge beyond basic algebra is required. Start reading today and unlock the secrets of matter's behavior.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 42m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
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Name Surname
has successfully demonstrated mastery of
Fundamentals of States of Matter: Gas, Liquid, and Solid
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
Fundamentals of States of Matter: Gas, Liquid, and Solid
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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