Grade 7 Geography Summary: Earth, Volcanoes & Floods

Netsport

Description

A mind map summary of the structure of the Earth and natural disasters.

Sujets

• Littérature Sud-Africaine
• Littérature sud-africaine
• Collège
• Secondary education in France
• collège
• Collège
• Collège
• Post-primaire

Informations

• Publié par: Netsport
• Date de parution: 01 janvier 2022
• Nombre de lectures: 0
• Langue: English
• Poids de l'ouvrage: 4 Mo

Extrait

1250 km thick

solid

2250 km thick

liquid

Inner Core

Outer Core

Structure of Earth

Main Idea

Crust

solid outer part

divided into

oceanic crust

continental crust

Mantle

less than 10 km thick

made of heavier rocks: basalt

create by volcanoes

40% Earth's surface

30 km thick

rocks rich in silica: granite

older

2800 km thick

beneath Earth's surface

molten rock