Current Status

Not Enrolled

Price

Closed

Get Started

Remember the law of cooling from The First Great Lesson? When particles get colder, they come closer together. When particles get warmer, they get further apart. This section will explore what “cold” and “hot” mean for different kinds of particles. We will talk about melting and freezing, and learn about how particles can change between the different states of matter.

What you’ll learn:

  • Solids, liquids and gases can change when the temperature changes.

Lesson Content

Prep
Planning & Materials
Lesson
Discussion
Video | Different Properties at Different Temperatures
Experiment | Solid to Liquid to Gas
Experiment | Liquid or Solid at Different Temperatures?
Keep Exploring
Nomenclature and Classification | States of Matter
Nomenclature | Phase Changes
Answers
Answer Key | Different Properties at Different Temperatures