Inside the EarthFour layers, from the rock under your feet to the solid…3rd GradeEarth is not solid rock all the way through. It is four layers, each very different.LayerWhat it is likeRoughlyCrustthin, solid rock — we live on it5–70 km thickMantlehot, slowly flowing rock2,900 km thickOuter coreliquid iron and nickel2,200 km thickInner coresolid iron, hotter than the Sun's surface1,200 km radiusThe moving liquid outer core is what gives Earth its magnetic field— and makes compasses work.Inside the Earthwww.littleactivity.com

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Science · 3rd Grade

Inside the Earth

Four layers, from the rock under your feet to the solid centre.

How to use it

Cut a boiled egg in half. Shell, white, yolk — the same idea.

Free · print-ready PDF · US Letter and A4

Grade
3rd Grade
Ages
8–9
Subject
Science
Pages
1

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