About This Chapter
How it works:
- Begin your assignment or other GED science work.
- Identify the minerals and rocks concepts that you're stuck on.
- Find fun videos on the topics you need to understand.
- Press play, watch and learn!
- Complete the quizzes to test your understanding.
- As needed, submit a question to one of our instructors for personalized support.
Who's it for?
This chapter of our GED science tutoring solution will benefit any student who is trying to learn about minerals and rocks and earn better grades. This resource can help students including those who:
- Struggle with understanding optical properties of minerals, mineral strength and density, silicate minerals, rock cycle, rock types or any other minerals and rocks topic
- Have limited time for studying
- Want a cost effective way to supplement their science learning
- Prefer learning science visually
- Find themselves failing or close to failing their minerals and rocks unit
- Cope with ADD or ADHD
- Want to get ahead in GED science
- Don't have access to their science teacher outside of class
Why it works:
- Engaging Tutors: We make learning about minerals and rocks simple and fun.
- Cost Efficient: For less than 20% of the cost of a private tutor, you'll have unlimited access 24/7.
- Consistent High Quality: Unlike a live GED science tutor, these video lessons are thoroughly reviewed.
- Convenient: Imagine a tutor as portable as your laptop, tablet or smartphone. Learn about minerals and rocks on the go!
- Learn at Your Pace: You can pause and rewatch lessons as often as you'd like, until you master the material.
- Describe the optical properties of minerals.
- Become familiar with different types of crystal shapes.
- Learn how to measure mineral strength.
- Differentiate between mineral density and specific gravity.
- Provide examples of silicate and non-silicate minerals.
- Explain the difference between rocks and minerals.
- Understand the rock cycle.
- List the three major families of rocks.
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.
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.
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.
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.
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.
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.
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.
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.
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.
10. Basaltic Lava: Definition & Characteristics
Basaltic lavas, the most abundant lava type on earth, are the focus of this lesson. By the end, you should understand where basaltic lava comes from and some of its common forms.
11. Extrusive Rocks: Definition & Examples
This lesson covers one of the types of igneous rocks, called extrusive rocks. By the end of this lesson, you should know the definition and some ways to identify extrusive rocks yourself.
12. Fossil Evidence: Definition & Overview
Fossils are critical tools in science because they give us clues to the types of plants and animals that lived on Earth in the past. In this lesson, you will learn about the types of fossils and how they were formed.
13. Intrusive Igneous Rock: Definition & Examples
Not all rocks form the same way; some have a very explosive beginning! In this lesson, we will learn about how intrusive igneous rocks come into being and look at some examples. Then, you can test your knowledge with a quiz.
14. Intrusive Rocks: Definition & Examples
If you've ever looked up at Half Dome in Yosemite National Park, Mt. Rushmore in South Dakota, or Stone Mountain in Georgia, you were looking at intrusive rocks. We're going to investigate how these rocks form and how you can identify them in the field.
15. Obsidian: Definition, Properties & Uses
Obsidian is a unique kind of rock that has been renowned throughout history for its beauty and its ability to form sharp tools. In this lesson, we'll learn how obsidian forms and see some of its uses throughout history.
16. Rock Strata: Definition & Explanation
Rock strata are found almost everywhere, even on the tops of mountains. In this lesson, we'll learn what rock strata look like, how they form, and their importance to geologists. Then you can test your knowledge with a short quiz.
17. Sediment: Definition & Deposits
Learn about what materials make up sediment and how it travels. Explore sediment deposits from deltas to sand dunes, and learn how sedimentary rock is created.
18. Sir Charles Lyell: Theory & Biography
Read about Sir Charles Lyell, a lawyer and geologist who learned to read the evidence hidden in rocks. Learn about uniformitarianism and take a quiz to test your knowledge.
19. What is a Deposition? - Definition & Explanation
Discover the many ways deposits of rock and soil can alter landforms as big as islands, mountains, and river deltas in this lesson. You'll explore both quick and slow changes in the land around us, and learn some fascinating geologic terms along the way!
20. What is Coal? - Facts, Types, Formation & Uses
Did you know that each person uses 3.7 tons of coal annually? Did you also know that coal, as a fossil fuel, comes from a source that was once alive? Learn about coal, its current uses, and possible future.
21. What is Granite? - Definition & Colors
Two places where you might be most likely to encounter granite are kitchens and cemeteries. But the material's importance goes far beyond its uses because it forms the foundation of our continents. Learn all about it in this lesson.
22. What is Paleontology? - Definition, History & Facts
For most of human history, paleontology was like the fossil evidence it is based on--undiscovered. Once unearthed, the science of paleontology grew rapidly, evolving in unpredictable ways. Learn the definition of paleontology and the history of this rock-solid science, then test your new knowledge with a quiz.
23. What is Sandstone? - Formation, Properties & Types
In this lesson, you will learn about sandstone, including how it is formed and how its formation influences the rock's framework, matrix, pore space, and cement. You'll be able to name sandstone types based on their characteristics.
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