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.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What includes objects like stars, planets, and moons?

Atmospheric phenomena
Terrestrial objects
Celestial objects
Aquatic ecosystems

The correct answer is: Celestial objects

Celestial objects refer to objects in the sky or in space, such as stars, planets, and moons. Option A, atmospheric phenomena, specifically refers to interactions and events in Earth's atmosphere. Option B, terrestrial objects, refers to objects found on land or pertaining to the Earth. Option D, aquatic ecosystems, refers to the interaction of living and non-living things in water. Therefore, option C is the best answer as it includes objects that are specifically in space or the sky.