Earth Science (지구과학) CBE — Practice Tests & Mock Exams

NY Regents Earth Science 대비. 천문, 기상, 광물·암석, 판구조론, 지표 작용.

Built for the Texas CBE — also used by Algebra 1 students in 9 states and 5 countries
Semester A

50 questions · 180 min · 80% to pass

Free Practice (10)
Semester B

50 questions · 180 min · 80% to pass

Free Practice (10)
Free practice gives instant feedback. Sign up for full mock exams.
Already took a free practice? Here's what your score means.
85%+ cold
You're likely ready for the official Earth Science (지구과학) Credit by Examination. Register with your counselor and take 1–2 full timed mocks to lock it in.
70–85%
Solid foundation, real prep needed. 4–6 weeks of timed mocks ($19.99 / 6 mo) with AI explanations on every wrong answer.
Under 70%
Concept-level gaps. Start with the Concept Lessons below, then return to practice once the underlying topic clicks.

Passing-score thresholds vary by district (Texas state code: 80% for §28.023 acceleration, 70% for §74.24 prior-instruction credit). Confirm your specific district's threshold with your school counselor in writing.

Learn the Concepts

Visual lessons that build Earth Science (지구과학) from first principles — diagrams, worked examples, embedded practice.

Concept Lesson · 10 min· TEKS 1A,2A,3A,7A,8A
Earth Science — Essential Concepts

Astronomy, mapping, weather, minerals and rocks, plate tectonics, and surface processes — every Earth Science Regents essential on one page.

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Concept Lesson · 9 min· TEKS 2A
Measuring Earth: Maps, Coordinates & Topographic Profiles

Latitude and longitude, contour lines, gradient, and how to read a topographic map and build an elevation profile.

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Concept Lesson · 9 min· TEKS 1A
Earth's Motions: Rotation, Revolution & the Seasons

Why we have day and night, why seasons happen (the tilt, not distance), and the evidence that Earth rotates and revolves.

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Concept Lesson · 9 min· TEKS 1A
The Solar System & the Universe

Orbits and eccentricity, moon phases and eclipses, tides, and the evidence for an expanding universe.

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Concept Lesson · 8 min· TEKS 7A
Minerals: Properties & Identification

What makes something a mineral, and how to identify one using hardness, cleavage, luster, streak, and other physical properties.

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Concept Lesson · 9 min· TEKS 7A
Rocks & the Rock Cycle

The three rock families — igneous, sedimentary, metamorphic — how to tell them apart, and how the rock cycle recycles them.

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What's on the Earth Science (지구과학) CBE

Every TEKS standard the official exam covers — and the exact topics our practice questions target.

SEMESTER ATEKS 1A–6E
  • 1A-1FAstronomy & Earth's Motions
  • 2A-2FMapping & Earth's Dimensions
  • 3A-3FMeteorology & Weather
SEMESTER BTEKS 7A–11D
  • 7A-7FMinerals, Rocks & Plate Tectonics
  • 8A-8FSurface Processes & Landscapes

Related Guides

CBE Exam Guide
What Is the Texas CBE Exam?
Cost, format, passing score, who can take it, and how to register.
Curriculum Standards
What Is TEKS?
Texas Essential Knowledge and Skills explained — and why it's the key to the CBE.
Deep Dive
Complete Guide to Texas CBE
Long-form walkthrough of registration, timing, and prep strategy.
Process
How to Sign Up for the CBE
School counselor process, deadlines, and what to ask.