The H-R Diagram
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 interpret the position of a star on the H-R diagram to determine its temperature, luminosity, and stage in the life cycle.
Part 1 of 3
Warm-up video
Professor Dave Explains · 7:05Vetted channel
We don't generate video — this one is by Professor Dave Explains 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
9 questions
Explain how the temperature of a star affects its position on the H-R diagram.
Describe the relationship between a star's luminosity and its size, using examples from the H-R diagram.
Part 3 of 3
Exit ticket
Quick comprehension check
“A star is located in the lower left corner of the H-R diagram. Describe its temperature, luminosity, and stage in the life cycle based on its position. A star classified as a red giant is positioned in the upper right section of the H-R diagram. Explain its temperature, luminosity, and what this indicates about its stage in the life cycle. ”
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
