Visit www.makemegeniu... ,watch all Science & other educational videos for kids for free.
The whole earth is made up of rocks and minerals.Rocks are made of different kinds of minerals.There are three types of rocks -Igneous,Sedimentary & Metamorphic types.Rocks are classified based on how they are formed.Rocks are constantly being broken & formed ,worn down.This is called Rock Cycle, it is like water cycle but it takes much longer time
19 авг 2024
