States of Matter
Free to teach as-is — the teacher guide, student handout, and slides are included.
Free — we'll email you an access link. Google Docs format.
Objective
I can illustrate how temperature and pressure affect the phase changes of substances using phase diagrams.
Part 1 of 3
Warm-up video
Unknown Channel · 9:33
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
12 questions
Describe the molecular arrangement of water in its solid phase compared to its liquid phase.
Explain the process of melting and what happens to the molecules of a solid as it transitions to a liquid.
Part 3 of 3
Exit ticket
Quick comprehension check
“Draw a detailed phase diagram for carbon dioxide (CO₂) and label the regions corresponding to solid, liquid, and gas phases. Explain how increasing pressure at a constant temperature influences the phase transitions of CO₂, particularly focusing on the conditions under which it can exist as a solid or gas. Illustrate a comprehensive phase diagram for water (H₂O) and label the regions for solid, liquid, and gas phases. Describe the impact of decreasing temperature at a constant pressure on the phase of water, including the specific temperature points at which phase changes occur and the molecular behavior associated with these transitions.”
Sample answer included in the free materials
Get the materials
Teacher guide, student handout, and slides — free, in Google Docs format
Teacher Guide
Complete lesson plan with answer keys and alternate activities
Student Handout
Printable worksheet
Slides
Ready to present
We'll ask for your email to send your access link — nothing else.
Teaching a group at a different level?
Where are your students right now? We'll rebuild this lesson to match — including the teacher guide, student handout, and slides, saved to your Google Drive.
Adapt This Lesson
