Is Pluto a Planet?
Grade 10th Grade · Science · 55 min
What's Included
Learning Objective
I can argue whether Pluto should be classified as a planet using evidence and reasoning.
Warm-Up Video
NASA Science · 7:54
What Is A Planet?
Guided Notes
3 key concepts
- 1
The ancient Greeks called objects that moved against the background of stars 'planetes', meaning wanderer.
- 2
According to the IAU, a planet must orbit the sun, have sufficient mass to be nearly round, and clear its neighborhood of other objects.
- 3
Pluto is considered a dwarf planet because it has not cleared its neighborhood and resides in the Kuiper Belt.
Practice Questions
12 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Using evidence from the video, argue whether or not Pluto should be classified as a planet. Support your argument with at least two specific reasons.”
Complete Lesson Package
Get all 3 ready-to-use resources:
