Science

Holt McDougal Earth Science: Online Textbook Help

Expert Contributor: Peter Jaeger
Updated May 26, 2023

Course Summary

Get some extra help in science class with our Holt McDougal Earth Science: Online Textbook Help course. The fun video lessons and quizzes line up with the chapters in your textbook and can help you ace your tests and homework assignments.

Sign up to start this course today

Try it risk free for 30 days

Lesson Sample

What is Earth Science?

What is Earth Science?

Holt McDougal Earth Science: Online Textbook Help • 103K views • 6 min

About this course:

20 hours of educational videos

177 self-paced lessons

21 practice tests

Expert Contributor: Peter Jaeger

Pete currently teaches middle school Science, college level introductory Science, and has a master's degree in Environmental Education.

22 chapters in Holt McDougal Earth Science: Online Textbook Help

expand all | collapse all

Course Practice Test

Check your knowledge of this course with a 50-question practice test.
  • Comprehensive test covering all topics
  • Detailed video explanations for wrong answers

Take Practice Test

View all practice tests in this course 
Ch 1. Holt McDougal Earth Science Chapter 1 - The World of Earth Science
Course Progress Best Score
What is Earth Science? Video Take Quiz
Earth Science, which consists of Geology, meteorology, and oceanography, refers to the category of science that studies the planet. Learn the branches of earth science, their linguistic roots, and the ways scientists explore them. Take Quiz
The Main Branches of Geology Video Take Quiz
The Scientific Field of Oceanography Video Take Quiz
The Scientific Field of Meteorology Video Take Quiz
The Scientific Field of Astronomy Video Take Quiz
The Scientific Method: Steps, Terms & Examples Video Take Quiz
Experimental Design in Science: Definition & Method Video Take Quiz
The Metric System: Units and Conversion Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 1 - The World of Earth Science
practice test icon Chapter 1 Practice Test
Course Progress Best Score
How to Read Topographic and Geologic Maps Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 2 - Maps as Models of the Earth
Course Progress Best Score
What Are Minerals? - Types, Properties & Examples Video Take Quiz
Understanding the Relationships between Elements, Molecules & Compounds Video Take Quiz
Silicate Minerals: Chemical Classifications & Examples Video Take Quiz
Non-silicate Minerals: Chemical Classifications & Examples Video Take Quiz
Rocks and Minerals: Definitions and Differences Video Take Quiz
Optical Properties of Minerals: Luster, Light Transmission, Color & Streak Video Take Quiz
Crystal Shape of Minerals: Forms and Types Video Take Quiz
Mineral Strength: Tenacity, Hardness, Cleavage & Fracture Video Take Quiz
Mineral Density & Specific Gravity: Definition and Properties Video Take Quiz
Extraction and Processing of Minerals & the Environmental Impacts of Mineral Use Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 3 - Minerals of the Earth's Crust
practice test icon Chapter 3 Practice Test
Course Progress Best Score
Rock Cycle: Igneous, Sedimentary, and Metamorphic Rocks Video Take Quiz
Types of Rocks: The Three Major Rock Groups Video Take Quiz
Bowen's Reaction Series: Crystallization Process & Magmatic Differentiation Video Take Quiz
Classification of Igneous Rocks: Textures and Composition Video Take Quiz
Determining the Origin of a Sedimentary Rock Video Take Quiz
Detrital & Chemical Sedimentary Rocks: Definition & Differences Video Take Quiz
Metamorphism of Rocks: Definition, Process & Influencing Factors Video Take Quiz
Classification of Metamorphic Rocks: Texture & Parent Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 4 - Rocks: Mineral Mixtures
practice test icon Chapter 4 Practice Test
Course Progress Best Score
Renewable & Non-Renewable Resources: Definition & Differences Video Take Quiz
The 3 Rs of Reducing Solid Waste: Reuse, Reduce & Recycle Video Take Quiz
What Are Fossil Fuels? - Definition, Advantages & Disadvantages Video Take Quiz
What is Solar Energy? - Definition, Pros & Cons Video Take Quiz
What is Nuclear Energy? - Definition & Examples Video Take Quiz
Wind as a Renewable Energy Resource: Advantages & Disadvantages Video Take Quiz
Hydroelectric Energy: Definition, Uses, Advantages & Disadvantages Video Take Quiz
Geothermal Energy: Advantages and Disadvantages Video Take Quiz
Biomass for Renewable Energy: Pros and Cons Video Take Quiz
What is Chemical Energy? - Definition & Examples Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 5 - Energy Resources
practice test icon Chapter 5 Practice Test
Course Progress Best Score
Theories of Geological Evolution: Catastrophism vs Uniformitarianism Video Take Quiz
What Are Paleontology & Archaeology? - Definition, History & Facts Video Take Quiz
Methods of Geological Dating: Numerical and Relative Dating Video Take Quiz
What is Relative Dating? - Law of Superposition, Principles of Original Horizontality & Cross-Cutting Relationships Video Take Quiz
Principles of Radiometric Dating Video Take Quiz
Radiometric Dating: Methods, Uses & the Significance of Half-Life Video Take Quiz
Conditions of Fossil Preservation: Rapid Burial, Hard Parts & the Elements Video Take Quiz
Relative Dating with Fossils: Index Fossils as Indicators of Time Video Take Quiz
Geologic Time Scale: Major Eons, Eras, Periods and Epochs Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 6 - The Rock and Fossil Record
practice test icon Chapter 6 Practice Test
Course Progress Best Score
Earth's Internal Layers: Crust, Mantle & Core Video Take Quiz
How Scientists Study Earth's Interior Structure Video Take Quiz
What is Pangaea? - Theory & Definition Video Take Quiz
Alfred Wegener's Theory of Continental Drift Video Take Quiz
Evidence for the Mechanism of Continental Drift Video Take Quiz
Plate Tectonics: A Unified Theory for Change of the Earth's Surface Video Take Quiz
Plate Boundaries: Convergent, Divergent, and Transform Boundaries Video Take Quiz
Causes of Tectonic Plate Movement Video Take Quiz
Rock Deformation: Causes and Types Video Take Quiz
Geological Folds: Definition, Causes & Types Video Take Quiz
Geological Faults: Definition, Causes & Types Video Take Quiz
The Processes of Mountain Building Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 7 - Plate Tectonics
practice test icon Chapter 7 Practice Test
Course Progress Best Score
What is an Earthquake? - Definition and Components Video Take Quiz
The Causes of Earthquakes Video Take Quiz
Identifying and Understanding Earthquakes Using Seismic Activity Video Take Quiz
Using the Richter Scale to Measure Earthquakes Video Take Quiz
Destruction Caused by Earthquakes Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 8 - Earthquakes
practice test icon Chapter 8 Practice Test
Course Progress Best Score
What is a Volcano? - Definition & Eruptions Video Take Quiz
The Flow of Pyroclastic Materials Video Take Quiz
Lava Flow, Pyroclastic Flow, Pyroclastic Surge & Tephra: Preventing Volcanic Hazards Video Take Quiz
Volcanic Landforms: Types & Formation Video Take Quiz
Types of Volcanoes: Shield, Cinder Cones & Composite Cones Video Take Quiz
Magma: Definition & Formation Video Take Quiz
Cinder Cone Volcano: Definition, Facts & Examples Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 9 - Volcanoes
practice test icon Chapter 9 Practice Test
Course Progress Best Score
Mechanical Weathering: Definition, Process, Types & Examples Video Take Quiz
What is Chemical Weathering? - Definition, Process & Examples Video Take Quiz
Factors that Affect the Rate of Weathering Video Take Quiz
What is Soil? - Definition, Structure & Types Video Take Quiz
The Formation and Composition of Soil: Definition and Factors Video Take Quiz
What is Soil Erosion? - Definition and Causes Video Take Quiz
Soil Conservation: Fighting Soil Erosion With Sustainable Soil Use Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 10 - Weathering and Soil Formation
practice test icon Chapter 10 Practice Test
Course Progress Best Score
The Water Cycle: Precipitation, Condensation, and Evaporation Video Take Quiz
Laminar & Turbulent Streamflows Video Take Quiz
Base Level of a Stream: Definition & Effect on Erosion Video Take Quiz
The Formation of Stream Valleys Video Take Quiz
Drainage Basins: Definition & Characteristics Video Take Quiz
Effect of Erosion and Deposition on Landforms Video Take Quiz
Alluvial Channels: Definition & Types Video Take Quiz
What Are Floods? - Causes, Types & Prevention Video Take Quiz
Groundwater System: Definition & Geological Role Video Take Quiz
Springs: Definition, Formation & Types Video Take Quiz
Wells: Definition & Types Video Take Quiz
Caverns & Sinkholes: Definition, Formation & Effects Video Take Quiz
Water Pollution: Definition, Types, and Sources Video Take Quiz
Water Treatment: Improving Water Quality Video Take Quiz
Water Conservation: How Water Management Can Lead to Sustainable Use Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 11 - The Flow of Fresh Water
practice test icon Chapter 11 Practice Test
Course Progress Best Score
Characteristics of Shorelines & Beaches Video Take Quiz
The Effects of Coastal Erosion on Shoreline Features Video Take Quiz
The Effects of Deposition on Shoreline Features Video Take Quiz
Contributing Factors of Longshore Transport: Beach Drift & Longshore Current Video Take Quiz
Wind Action & Effects on the Desert Landscape Video Take Quiz
Sand Dunes: Structure and Types Video Take Quiz
What Are Glaciers? - Definition, Types & Processes Video Take Quiz
Glacier Movement: Definition & Process Video Take Quiz
Glacial Erosion: Definition, Processes & Features Video Take Quiz
Glacial Deposition: Definition & Results Video Take Quiz
Mass Wasting: Definition, Types, Causes & Processes Video Take Quiz
Major Triggers for Mass Wasting: Water, Slopes, Vegetation Removal & Earthquakes Video Take Quiz
Types of Wasting: Slump, Rockslide, Debris Flow & Earthflow Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 12 - Agents of Erosion and Deposition
practice test icon Chapter 12 Practice Test
Course Progress Best Score
Properties of Ocean Water Video Take Quiz
Natural Factors That Determine a Region's Climate Video Take Quiz
Active & Passive Continental Margins Video Take Quiz
Ocean Basins: Definition, Formation, Features & Types Video Take Quiz
Oceanic Ridge System: Formation & Distribution Video Take Quiz
Open Ocean Biome: Plants, Animals, Climate & Definition Video Take Quiz
Types of Marine Organisms Video Take Quiz
Aquaculture: Environmental Effects of Fish Farming Video Take Quiz
Tidal Energy: Advantages and Disadvantages Video Take Quiz
Bioremediation: Microbes Cleaning Up the Environment Video Take Quiz
The Clean Water Act & Safe Drinking Water Act: Legislation for Clean Water Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 13 - Exploring the Oceans
practice test icon Chapter 13 Practice Test
Course Progress Best Score
Ocean Circulation: Patterns & Effect on Climate Video Take Quiz
The Relationship Between El Nino & La Nina Video Take Quiz
Waves: Types, Features & Effect on Erosion Video Take Quiz
The Causes & Effects of a Tsunami Video Take Quiz
What Are Tides? - Causes & Effects Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 14 - The Movement of Ocean Water
practice test icon Chapter 14 Practice Test
Course Progress Best Score
Major Components of the Atmosphere Video Take Quiz
The Structure of the Atmosphere Video Take Quiz
Mechanisms of Heat Transfer: Conduction, Convection & Radiation Video Take Quiz
Global Warming: Atmospheric Causes and Effect on Climate Video Take Quiz
Greenhouse Gases and the Enhanced Greenhouse Effect Video Take Quiz
Factors That Affect Wind: Pressure Gradient Forces, Coriolis Effect & Friction Video Take Quiz
The General Circulation of the Atmosphere Video Take Quiz
What Is Air Pollution? - Definition, Sources & Types Video Take Quiz
The Ozone Layer: Importance and the Harmful Effects of Thinning Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 15 - The Atmosphere
practice test icon Chapter 15 Practice Test
Course Progress Best Score
Temperature, Clouds, Wind & Humidity on the Atmospheric Cycle Video Take Quiz
What is Precipitation? - Definition, Types & Formation Video Take Quiz
Types of Air Masses & Their Effect on Weather Video Take Quiz
Understanding Weather Fronts: Types & Their Effect on Weather Video Take Quiz
What Are Cyclones? - Types, Causes & Effects Video Take Quiz
What Are Thunderstorms? - Definition, Types & Formation Video Take Quiz
What Are Tornadoes? - Definition, Causes & The Enhanced Fujita Scale Video Take Quiz
Hurricanes: Types, Formation, Causes & Effects Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 16 - Understanding Weather
practice test icon Chapter 16 Practice Test
Course Progress Best Score
Weather vs. Climate: Definition, Differences & Effects Video Take Quiz
Solar Energy: Effects on Earth's Temperature Video Take Quiz
Climate Classifications & Their Global Distribution Video Take Quiz
Biomes: Desert, Tropical Rainforest, Savanna, Coral Reefs & More Video Take Quiz
Biomes: Tundra, Taiga, Temperate Grassland, and Coastlines Video Take Quiz
Causes of Glaciation Video Take Quiz
Global Climate Change: Effects and Mitigation Strategies Video Take Quiz
Fossil Fuels, Greenhouse Gases, and Global Warming Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 17 - Climate
practice test icon Chapter 17 Practice Test
Course Progress Best Score
Telling Time in Ancient Times Video Take Quiz
Geocentric, Heliocentric & Ptolemaic Models of the Universe Video Take Quiz
The Copernican Revolution Video Take Quiz
Tycho Brahe's Contribution to Astronomy Video Take Quiz
Galileo, the Telescope & the Church Video Take Quiz
Sir Isaac Newton And Astronomy Video Take Quiz
Types of Telescopes: Radio, Reflecting & Refracting Telescopes Video Take Quiz
The Nature of Light: Origin, Spectrum & Color Frequency Video Take Quiz
The Constellations: Definition & Name Origins Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 18 - Studying Space
practice test icon Chapter 18 Practice Test
Course Progress Best Score
Types of Stars by Size, Color and Life Cycle Video Take Quiz
Determining the Temperature of a Star Video Take Quiz
The Brightness Of Stars Video Take Quiz
Measuring The Distance to a Star Video Take Quiz
Star Formation: Main Sequence, Dwarf & Giant Stars Video Take Quiz
What is a Main Sequence Star? Video Take Quiz
Supernova and Supergiant Star Life Cycle Video Take Quiz
Life Cycle of Neutron Stars Video Take Quiz
Life Cycle of Black Holes Video Take Quiz
Galaxy Formation: Spiral, Elliptical & Irregular Galaxies Video Take Quiz
Types of Star Clusters Video Take Quiz
Origins of the Universe: The Big Bang and Expanding & Contracting Universes Video Take Quiz
Evidence for the Big Bang Theory: Background Radiation, Red-Shift and Expansion Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 19 - Stars, Galaxies, and the Universe
practice test icon Chapter 19 Practice Test
Course Progress Best Score
Structure of the Sun Video Take Quiz
Formation of the Earth: Theories Video Take Quiz
Kepler's Three Laws of Planetary Motion Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 20 - Formation of the Solar System
practice test icon Chapter 20 Practice Test
Course Progress Best Score
Inner Planets of the Solar System: Mercury, Venus, Earth & Mars Video Take Quiz
Outer Planets of the Solar System: Jupiter, Saturn, Uranus, Neptune Video Take Quiz
Dwarf Planets of the Solar System: Pluto, Eris, Haumea & Ceres Video Take Quiz
Formation of the Moon: Theories Video Take Quiz
Asteroids, Meteorites & Comets: Definitions and Characteristics Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 21 - A Family of Planets
practice test icon Chapter 21 Practice Test
Course Progress Best Score
Space Travel: History, Dangers & Benefits Video Take Quiz
Go to chapter Holt McDougal Earth Science Chapter 22 - Exploring Space
Holt McDougal Earth Science: Online Textbook Help Practice Test
Earning Credit

Earning College Credit

Did you know… We have over 220 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Practice Tests in this course
Check your knowledge of this course with a 50-question practice test. Once you take the test, you will receive a detailed exam report complete with your personal statistics and even specific lessons to focus on! Take the practice test now
Your detailed study guide will include:
  • Answers and detailed explanations to each question
  • Video lessons to explain complicated concepts
Course Practice Test
Holt McDougal Earth Science: Online Textbook Help Practice Test
More practice by chapter
Ch. 1
Holt McDougal Earth Science Chapter 1 - The World of Earth Science Practice Test
Ch. 2
Holt McDougal Earth Science Chapter 2 - Maps as Models of the Earth
Ch. 3
Holt McDougal Earth Science Chapter 3 - Minerals of the Earth's Crust Practice Test
Ch. 4
Holt McDougal Earth Science Chapter 4 - Rocks: Mineral Mixtures Practice Test
Ch. 5
Holt McDougal Earth Science Chapter 5 - Energy Resources Practice Test
Ch. 6
Holt McDougal Earth Science Chapter 6 - The Rock and Fossil Record Practice Test
Ch. 7
Holt McDougal Earth Science Chapter 7 - Plate Tectonics Practice Test
Ch. 8
Holt McDougal Earth Science Chapter 8 - Earthquakes Practice Test
Ch. 9
Holt McDougal Earth Science Chapter 9 - Volcanoes Practice Test
Ch. 10
Holt McDougal Earth Science Chapter 10 - Weathering and Soil Formation Practice Test
Ch. 11
Holt McDougal Earth Science Chapter 11 - The Flow of Fresh Water Practice Test
Ch. 12
Holt McDougal Earth Science Chapter 12 - Agents of Erosion and Deposition Practice Test
Ch. 13
Holt McDougal Earth Science Chapter 13 - Exploring the Oceans Practice Test
Ch. 14
Holt McDougal Earth Science Chapter 14 - The Movement of Ocean Water Practice Test
Ch. 15
Holt McDougal Earth Science Chapter 15 - The Atmosphere Practice Test
Ch. 16
Holt McDougal Earth Science Chapter 16 - Understanding Weather Practice Test
Ch. 17
Holt McDougal Earth Science Chapter 17 - Climate Practice Test
Ch. 18
Holt McDougal Earth Science Chapter 18 - Studying Space Practice Test
Ch. 19
Holt McDougal Earth Science Chapter 19 - Stars, Galaxies, and the Universe Practice Test
Ch. 20
Holt McDougal Earth Science Chapter 20 - Formation of the Solar System Practice Test
Ch. 21
Holt McDougal Earth Science Chapter 21 - A Family of Planets Practice Test
Ch. 22
Holt McDougal Earth Science Chapter 22 - Exploring Space

Explore our library of over 88,000 lessons

Search Courses & Lessons
Browse by Subject
Browse by subject
Support