Igneous Rocks


Igneous Rocks introduces students to this group of rocks. The lesson reminds students about the rock cycle and three main types of rocks. Students will discover many cool facts about nine different types of igneous rocks and what they look like. They will also remember how igneous rocks form during the rock cycle.

The “Options for Lesson” section presents a lot of suggestions on additional or alternative activities you could do with your students. For instance, one options is to have students write poems or stories about igneous rocks and how they form, from the perspective of a piece of sediment.

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What our Igneous Rocks lesson plan includes

Lesson objectives and overview: Igneous Rocks teaches students the traits and properties of this group of rocks. Students will discover many of the different rock types that fall into the igneous category. They will be able to identify types of rocks based on their traits and properties. They will also be able to explain how igneous rocks form during the rock cycle. This lesson is for students in 4th grade, 5th grade, and 6th grade.

Classroom Procedure

Every lesson plan provides you with a classroom procedure page that outlines a step-by-step guide to follow. You do not have to follow the guide exactly. The guide helps you organize the lesson and details when to hand out worksheets. It also lists information in the yellow box that you might find useful. You will find the lesson objectives, state standards, and number of class sessions the lesson should take to complete in this area. In addition, it describes the supplies you will need as well as what and how you need to prepare beforehand.

Options for Lesson

The “Options for Lesson” section of the classroom procedure page lists a number of ideas for activities to add to the lesson. One suggestion is for students to create poems or stories about the formation of an igneous rock from the perspective of a piece of sediment. Another idea is to obtain different rocks and have students identify each one based on what they observe and what they learned. You could also plan a “Rock Week” during which you teach about all the types of rocks, including this lesson and the one on the rock cycle. One other option is to invite a geologist or rock collect to speak with the class and answer their questions.

Teacher Notes

The paragraph on the teacher notes page describes a little more about what to expect from this lesson. It suggests teaching this lesson at the same time as others on the other types or rocks or related lessons. You can use the blank lines on this page to write down any ideas you have as you prepare to present the lesson to your students.


This lesson contains five pages of content. The first page reminds students what the three main types of rocks are and that they all have different traits and properties. The lesson then explains where the igneous class of rocks come into play. These rocks have two categories of their own: extrusive and intrusive. Students will learn a little about each of these groups and related vocabulary.

The lesson then outlines a number of specific rock types that belong to those two categories. Some of the rocks students will learn about include granite, basalt, obsidian, and pumice. The lesson describes several traits for each one and explains what people tend to use these rocks for. For instance, people use granite quite often for countertops, floor tiles, and paving stones. And road workers often use basalt as filler stone or road base.


The Igneous Rocks lesson plan includes three worksheets: an activity worksheet, a practice worksheet, and a homework assignment. Each one of these handouts will help reinforce students’ grasp of the lesson material and demonstrate what they learned in different ways. Refer to the guide on the classroom procedure page to determine when you should give your students the worksheets throughout the lesson.


For the activity worksheet, students will create an acrostic using the letters in “igneous rocks.” They must write either words or sentences that start with each letter. Whatever they choose needs to relate to the igneous category of rocks. After they create a rough draft on the worksheet, they can transfer a final draft onto a poster board. In addition, they should color and images, either that they draw or find from other resources.


The practice worksheet will test students’ memory about the traits of specific rock types. There is a total of 20 statements or traits. Students will match the terms in the word bank to the statements. There are only nine types of rock in the word bank, so the words will be used more than one time.


There are two sections on the homework assignment. For the first part, students must match definitions to the correct term. There are 10 total terms and definitions. For the second part, they will answer a series of 10 questions based on their knowledge of the lesson material.

Worksheet Answer Keys

The last couple pages of the lesson plan document are answer keys for both the practice worksheet and the homework assignment. The correct answers are all in red so that it is easy for you to compare them with students’ responses. If you choose to administer the lesson pages to your students via PDF, you will need to save a new file that omits these pages. Otherwise, you can simply print out the applicable pages and keep these as reference for yourself when grading assignments.

Additional information


4th Grade, 5th Grade, 6th Grade



State Educational Standards

LB.ELA-Literacy.RI.4.2, LB.ELA-Literacy.RI.4.4 LB.ELA-Literacy.RI.4.3, LB.ELA-Literacy.RI.4.5, LB.ELA-Literacy.RI.5.1, LB.ELA-Literacy.RI.5.4, LB.ELA-Literacy.RI.5.3, LB.ELA-Literacy.RST.6.2, LB.ELA-Literacy.RST.6.4, LB.ELA-Literacy.RST.6.9

Lessons are aligned to meet the education objectives and goals of most states. For more information on your state objectives, contact your local Board of Education or Department of Education in your state.

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