Classifying Rocks by Formation
Grade 6th Grade · Earth Science · 30 min
What's Included
Learning Objective
I can classify rocks based on their formation.
Warm-Up Video
MooMooMath and Science · 5:15
All about Igneous Rocks
Guided Notes
3 key concepts
- 1
Igneous rocks are formed from hot molten rock that cools and solidifies from either magma or lava.
- 2
Extrusive igneous rocks form on the surface, cool quickly, and have small or no crystals, while intrusive rocks form inside the Earth, cool slowly, and have larger crystals.
- 3
Igneous rocks can be classified as either mafic, which are dark in color and contain magnesium and iron, or felsic, which are lighter and contain feldspar and silica.
Practice Questions
3 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Describe how intrusive and extrusive igneous rocks are formed, and list two differences between them.”
Complete Lesson Package
Get all 3 ready-to-use resources:
