Classifying Rocks by Formation

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.

Teacher Guide

Get the complete package:

  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts