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Ch 54: Minerals & Rocks - ORELA Middle Grades General Science

About This Chapter

Get the knowledge you need to answer questions related to minerals and rocks on the ORELA Middle Grades General Science assessment. You can watch fun video lessons and take short quizzes to enhance your preparations for the exam.

Minerals & Rocks: ORELA Middle Grades General Science - Chapter Summary

This chapter offers a comprehensive overview of minerals and rocks in science. After watching the lessons, you will be ready to address the following on the ORELA Middle Grades General Science assessment:

  • Identifying the optical properties and crystal shape of minerals
  • Examining mineral strength and density, as well as specific gravity
  • Defining silicate and non-silicate minerals
  • Describing the differences between rocks and minerals
  • Understanding the rock cycle and types of rocks
  • Explaining the advantages and disadvantages of geothermal energy
  • Discussing fossil fuels, greenhouse gases and global warming

The lessons are designed to offer an effective learning experience by providing step-by-step guidance in an entertaining package. Take advantage of this unique approach to online instruction that enables you to comprehend the lessons at your own pace.

Minerals & Rocks: ORELA Middle Grades General Science Chapter Objectives

Current and prospective Oregon educators are required to take the ORELA Middle Grades General Science assessment if they want to secure the licensure needed to teach science to students in middle grades. Studying the lessons in this chapter improves your chances of earning a passing score of 228 or higher on the exam. The lessons explore topics found in the earth and space science content domain, which constitutes approximately 25% of the total exam.

The computer-based assessment consists of 150 multiple-choice questions. In this chapter, you can take short quizzes that test your comprehension of the lessons while giving you access to questions formatted similarly to those on the test. A chapter exam is also available to reinforce concepts learned in all the lessons.

11 Lessons in Chapter 54: Minerals & Rocks - ORELA Middle Grades General Science
Test your knowledge with a 30-question chapter practice test
Optical Properties of Minerals: Luster, Light Transmission, Color & Streak

1. Optical Properties of Minerals: Luster, Light Transmission, Color & Streak

Minerals are conveniently identified based on their physical properties. These properties include luster, ability to transmit light, color and streak. This lesson will describe each of these properties and examples of each.

Crystal Shape of Minerals: Forms and Types

2. Crystal Shape of Minerals: Forms and Types

Did you know that the term crystal can have different meanings in addition to something pretty to look at? A crystal can refer to a regular pattern of molecules within a mineral or the shapes at a macroscopic level. This is also known as the crystal habit.

Mineral Strength: Tenacity, Hardness, Cleavage & Fracture

3. Mineral Strength: Tenacity, Hardness, Cleavage & Fracture

What does it mean to say that one mineral is stronger than another? This lesson will explore different minerals to identify and describe mineral strength in terms of tenacity, hardness, cleavage and fracture.

Mineral Density & Specific Gravity: Definition and Properties

4. Mineral Density & Specific Gravity: Definition and Properties

Mineral density and specific gravity are similar properties used by mineralologists to identify minerals. This lesson describes a common practice used to determine density and specific gravity.

Silicate Minerals: Chemical Classifications & Examples

5. Silicate Minerals: Chemical Classifications & Examples

Silicate minerals make up the bulk of the earth's crust. All silicates are made of the same building block, the silicon-oxygen tetrahedron. This lesson describes the major silicate minerals including feldspars and quartz.

Non-silicate Minerals: Chemical Classifications & Examples

6. Non-silicate Minerals: Chemical Classifications & Examples

While most minerals are silicates, many non-silicate minerals are found in the earth's crust and are important as well. This lesson will use examples and describe the three major groups of non-silicate minerals, including carbonates, halides and sulfates.

Rocks and Minerals: Definitions and Differences

7. Rocks and Minerals: Definitions and Differences

Can you tell the difference between a rock and a mineral? What makes a mineral so much different from a rock? Explore these questions in depth, and learn how we classify rocks and minerals.

Rock Cycle: Igneous, Sedimentary, and Metamorphic Rocks

8. Rock Cycle: Igneous, Sedimentary, and Metamorphic Rocks

In this lesson, we will discuss the three main types of rocks and how they are formed. The lesson also gives an introduction into how matter locked in rocks can be cycled through the earth.

Types of Rocks: The Three Major Rock Groups

9. Types of Rocks: The Three Major Rock Groups

Did you know that lava is molten rock that reaches the earth's surface? Furthermore, did you know that rocks exist in three general forms: igneous, sedimentary and metamorphic? This lesson describes these rock types and examples of each.

Geothermal Energy: Advantages and Disadvantages

10. Geothermal Energy: Advantages and Disadvantages

Geothermal energy is heat energy that is stored within the earth. Learn the methods being used to tap into this thermal energy to heat buildings and generate electricity as well as the advantages and disadvantages of this renewable energy source.

Fossil Fuels, Greenhouse Gases, and Global Warming

11. Fossil Fuels, Greenhouse Gases, and Global Warming

In this video lesson, you'll learn what roles fossil fuels and greenhouse gases play in global warming, as well as what life on Earth can expect due to rising carbon dioxide levels within Earth's atmosphere.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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Other Chapters

Other chapters within the ORELA Middle Grades General Science: Practice & Study Guide course

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