What is the earth's core made of and how did it come into creation?
What materials are the Earth's core made out of and how was it made?
The Solar System: How was Earth formed? What if a core is not present in Earth? What percentage of the Earth's mass is contained in its iron core? Why can’t we drill and extract energy from Earth’s core? How practically is proved that earth core is molten rock? What would happen if Earth's core was completely solid? What are some tools used in Earth science? How do scientists know the earth has a molten center? What are 5 facts about the earth's crust? What's inside the earth? What will happen if the core of Earth solidifies? What is the total mass of the Earth's crust? Is the Earth properly earthed? What materials are used to build spacecraft? What is the shape of the earth? What material is the the exterior of the space shuttle made of? How is/was energy formed? What materials are used to build spacecrafts? What is the earth? Are all chemical elements capable of forming life (like carbon does on Earth)? What is the earthing? Why did God create Earth? What are the branches of Earth science? Is the earth a liquid or a solid? How were atoms formed? Do scientists know for sure what is at the center of earth? Why is the earth called earth? How were the pyramids constructed? Who built them? What keeps the center of the earth hot? What are some branches of Earth science?