Ages 7–9🔬 Science10 verified questions on this shelf

The Ocean Floor

Know that the ocean floor is not flat — it has mountains, valleys, and the deepest trenches on Earth — and that the deepest point is the Mariana Trench, deeper than Mount Everest is tall

Try three questions

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Question 1 of 3

The deepest part of the ocean goes down about 10,900 m below sea level, while Mount Everest rises about 8,850 m above sea level. Roughly how many meters deeper is the ocean trench than the height of the mountain?

Question 2 of 3

What is the name of the deepest part of the ocean on Earth?

Question 3 of 3

Mount Everest rises about 8,800 m above sea level. The deepest part of the ocean, the Mariana Trench, lies about 11,000 m below sea level. Which sentence correctly describes how the trench’s depth compares to Everest’s height?

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Skill names and descriptions include the Marble Skill Taxonomy © Generative Spark, Inc. (withmarble.com), licensed under ODbL 1.0 (database) and CC BY-SA 4.0 (content). Practice questions are GlowGrades's own, each checked by independent verifiers that must agree before a child ever sees it.