Ontario Grade 9 Science Class Practice Exam

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Master Grade 9 Science with our comprehensive practice exam. Test your knowledge, identify weak areas, and boost your confidence for academic success.

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What are natural objects outside of Earth's atmosphere?

Atmospheric layers
Celestial objects
Geological formations
Oceanic features

The correct answer is: Celestial objects

Celestial objects are naturally occurring objects outside of Earth's atmosphere, such as stars, planets, moons, asteroids, and comets. Atmospheric layers are part of Earth's atmosphere, so they are not considered natural objects outside of it. Geological formations are found on Earth's surface, while oceanic features are found only in Earth's oceans. Therefore, they are not considered natural objects outside of Earth's atmosphere.