rocks and minerals

rocks

minerals

• a mineral is a naturally occurring substance 
• representable by a chemical formula

why are rocks and minerals DIFFERENT and similar

• rocks and minerals are similar because rocks are formed by minerals 
• rocks and minerals are different because minerals has different shapes 
• rocks and minerals are different because rocks are more heavy than minerals

the layers of the earth

• Crust-this frist layer of the earth it also protects us of the heat
• Mantle-this is the second layer of the earth and the biggest
• outer core- this is the third layer it creates magnetic felid
• inner core- this is the last layer of the earth it's made up of metal

earth's crust

• THE thinnest is the seabed.
• The thickest is the mountains.

what cause changer rocks

• pressure-sgueezes the rocks 
• Heat- melt the rock
• water -the water is heavy and it broke the rocks 
• Erosion-it can erode away parts of the rock

different and similar between medorphic ,sedimenttary and igneous rock

• the different is because there are are made of different things
• there are similar because they are all rocks 
• there different is because you can find them in places 

what i see in caves?

• stalactites and stalagmites
• rocks and minerals 

thats the end