Introduction to Chemistry: States of Matter and Phase Changes — PickAClass
⏱ 2h 30m 📚 25 lessons

Introduction to Chemistry: States of Matter and Phase Changes

Master the core principles of solids, liquids, gases, and plasma, and understand how energy drives phase transitions in everyday chemistry.

  • 💬 AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • 🕐 Start anytime
    No schedules or deadlines — learn at your own pace, whenever suits you.
  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

Have you ever wondered what happens at the molecular level when water boils, ice melts, or lightning strikes? Understanding how matter changes forms is fundamental to grasping how our physical universe operates. This course guides you through the foundational concepts of physical chemistry, tracing the behavior of atoms and molecules across different states. You will gain a clear, conceptual understanding of the forces that hold matter together and the thermal energy that drives them apart. What you'll learn: Understand the fundamental properties of solids, liquids, gases, and plasma; Explain the concepts of latent heat, phase transitions, and thermal energy transfer; Analyze how pressure and temperature influence molecular behavior and state changes; Explore modern states of matter, including Bose-Einstein condensates, and their scientific applications; Apply state-of-matter principles to real-world phenomena and basic materials science. The journey begins with essential chemistry terminology and atomic theory basics before exploring each state of matter in detail. You will then study phase changes, heating curves, and the role of pressure in altering physical states. This course is designed for absolute beginners, students refreshing their science knowledge, or anyone curious about physical chemistry, with no prior science background required. Start reading today to build a strong foundation in the science of the physical world.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 30m 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.

P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Introduction to Chemistry: States of Matter and Phase Changes
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
P
PickAClass — Name Surname
Introduction to Chemistry: States of Matter and Phase Changes
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
Verify this credential
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.

Reviews

No reviews yet — be the first to share your experience.

Write a review

You'll be asked to sign in after sending — your draft is saved.

Learners also took

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.

Built for learners in
Tech Design Finance Marketing Healthcare Education Hospitality Manufacturing