Study Guide

Earth Science
Test Design and Framework

The test design below describes general assessment information. The framework that follows is a detailed outline that explains the knowledge and skills that this test measures.

Test Design

Format Computer-based test (CBT)
Number of Questions 80 multiple-choice questions
Time* 2 hours and 15 minutes
Passing Score 220

*Does not include 15-minute CBT tutorial

Test Framework

 

graph of percentages of each content domain's weight toward overall test score detailed in table below

Content Domain Range of Competencies Approximate Percentage of Test Score
1. Earth's Place in the Universe 0001–0003 15%
2. Earth's Systems: Geosphere 0004–0006 15%
3. Earth's Systems: Hydrosphere, Atmosphere, Weather, and Climate 0007–0009 15%
4. Earth and Human Activity 0010–0012 17.5%
5. Chemistry 0013 12.5%
6. Physics 0014 12.5%
7. Biology 0015 12.5%

Domain 1–Earth's Place in the Universe

Competency 0001–Demonstrate knowledge of the origin, evolution, and structure of the universe.

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Competency 0002–Apply knowledge of stars and their life cycles.

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Competency 0003–Analyze the solar system and the interactions of the Earth-sun-moon system.

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Domain 2–Earth's Systems: Geosphere

Competency 0004–Apply knowledge of Earth's internal structure and the history of Earth.

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Competency 0005–Analyze plate tectonics and the impact of plate movement.

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Competency 0006–Apply knowledge of Earth materials, the rock cycle, and the processes of weathering, erosion, and deposition.

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Domain 3–Earth's Systems: Hydrosphere, Atmosphere, Weather, and Climate

Competency 0007–Demonstrate knowledge of the processes of the hydrosphere and characteristics of oceanic and freshwater systems.

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Competency 0008–Demonstrate knowledge of the composition, structure, and processes of the atmosphere.

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Competency 0009–Demonstrate knowledge of Earth's weather and climate.

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Domain 4–Earth and Human Activity

Competency 0010–Analyze geochemical cycles, natural resources, and energy.

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Competency 0011–Demonstrate knowledge of natural hazards and their effects on human societies.

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Competency 0012–Demonstrate knowledge of the effects and mitigation of human activities on Earth systems.

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Domain 5–Chemistry

Competency 0013–Apply knowledge of chemistry concepts.

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Domain 6–Physics

Competency 0014–Apply knowledge of physics concepts.

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Domain 7–Biology

Competency 0015–Apply knowledge of biology concepts.

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