Ages 7–9🔬 Science10 verified questions on this shelf

Earth's Layers

Know that Earth has layers — a thin outer crust, a thick hot mantle, and a core at the centre — and that the inside of the Earth is extremely hot

Try three questions

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Question 1 of 3

Tom is labeling the three layers of Earth on his poster from the outer surface toward the center. Which label order is correct?

Question 2 of 3

Which sentence correctly describes how the thickness of the Earth's crust compares to the mantle and core?

Question 3 of 3

Sam builds a three‑layer Earth model with play‑dough. The outermost layer is only a few centimeters thick and is where houses and trees would be. The middle layer is much thicker and stays warm but does not melt metal. The innermost layer is so hot it would melt metal. Which list correctly names Earth’s layers from the outside of the model to the center?

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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.