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- Biology
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  - Genetics
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  - Evolution
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    - Comparative Anatomy 12
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  - Ecology
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  - Human Anatomy & Physiology
    - Skeletal System 116
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    - Respiratory System 44
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  - Botany Plant Biology
    - Plant Anatomy 38
    - Plant Morphology 5
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    - Photosynthesis 53
    - Plant Reproduction 22
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    - Plant Taxonomy 43
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  - Zoology Animal Biology
    - Classification 38
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    - Fish 76
    - Amphibians 10
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    - Birds 5
    - Mammals 106
    - Anatomy 16
    - Physiology 32
    - Reproduction 26
    - Development 6
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  - Microbiology
    - Microbial Structure 5
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    - Parasitology 59
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  - Molecular Biology
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Exams & Certifications

9th Grade Earth & Space Science Quizzes, Questions & Answers

Recent Earth & Space Science Quizzes

Common Exam - Earth Science Review

Questions: 50 | Attempts: 1757 | Last updated: Mar 22, 2025

Sample Question
Why does Earth experience precession?

Because the Earth revolves around the sun every 365 days

Because of the movement of the circumpolar stars and Polaris

Because the Earth is the third planet from the sun

Because the plane of the moon’s orbit is tilted from the Earth’s elliptical plane

Earth Science CST Practice #1

Questions: 22 | Attempts: 135 | Last updated: May 6, 2025

Earth In The Universe

Questions: 25 | Attempts: 1073 | Last updated: Jul 14, 2025

Sample Question
Precession is the 26,000 year shift of the Earth's Axis from the North Star to Antares.

True

False

Earth and Space Science Final Exam

Questions: 50 | Attempts: 4318 | Last updated: Jun 30, 2026

Sample Question
At the equator, the sun's rays always strike Earth

At a low angle

At nearly a 90 degree angle

18 hours each day

No more than 8 hours each day.

Earth and Space Science: Midterm Exam

Questions: 50 | Attempts: 219 | Last updated: May 22, 2025

Sample Question
An atom is a basic chemical building block of matter. Which particles determine the mass of an atom?

Protons and neutrons

Neutrons and electrons

Protons and electrons

Neither of the above

Earth Science Multiple Choice Test

Questions: 20 | Attempts: 2061 | Last updated: Oct 16, 2025

Sample Question
32,000 is written in scientific notation as:

A. 3.2x10^4

B. 32x10^4

C. 32x10^3

D. 3.2x10^3

9th Grade Earth Science

Questions: 5 | Attempts: 1482 | Last updated: Mar 21, 2025

Sample Question
The sun is..

The center of our solar system

At the end of our solar system

Not in our solar system

Take The Earth Science Assessment Trivia Questions!

Questions: 10 | Attempts: 243 | Last updated: Mar 21, 2025

Sample Question
The length of an Earth day is determined by the time required for approximately one (Standard 1.1a):

Earth rotation

Earth revolution

Sun rotation

Sun revolution

Moon walk

Pre-assessment Quiz Questions On Earth Science!

Questions: 10 | Attempts: 436 | Last updated: Mar 21, 2025

Sample Question
The length of an Earth day is determined by the time required for approximately one (Standard 1.1a):

Earth rotation

Earth revolution

Sun rotation

Sun revolution

Moon walk

Earth Science G/T Midterm Practice

Questions: 24 | Attempts: 286 | Last updated: Mar 21, 2025

Sample Question
What is mass?

Weight under the influence if gravity

Pounds using a scale

The amount of matter an object contains

Amount of space an object occupies

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