What are the most abundant elements in the Earth's mantle?

What's Actually Inside the Earth's Core?

The Mystery of the Earth's Core Explained

Why the Earth's Core Is Hotter Than the Sun

What Would a Journey to the Earth’s Core Be Like?

What is Earth made of? Earth chemical composition and layers.

An Overview of Earth’s Layers

What Elements Make Up Most Of The Mantle

The most common element in the Earth's crust is oxygen

Different Layers of the Earth | It's Interior, Structure and Composition

What Materials Make Up The Inner Core

Solving The Mystery Of The Earth's Core

Layers of the Earth | Structure of the Earth | Educational Science Lesson

Earth Layers - Explained

Scientists Just Discovered A Vast Hidden Ocean Inside Earth

SCIENCE PROJECT: Layers of the Earth

Earth Interior Structure 1, Layers by Composition

We Still Don’t Know What’s Inside Earth’s Core—Diamond Anvils May Be the Answer

What is Earth’s Core Made of?

Earth's Top 10 The Most Common Elements