Science the bold words

Humas

• The decayed material in soil

MINERALS

• A NONLIVING SUBTANCE IN THE FORM OF A CRYSTAL WHICH IS TAKEN FORM THE EARTH

GEOLIISTS

• A scientist who studies the earth

CRYSTALS

• A subtance with smooth flat surfaces that meet that meet in sharp edges and corners

TOPSOIL

• the top layer of soil

SUBSOIL

• the beaneth the layer of top soil

MAGMA

• hot luiqid rock within the earth

bedrock

• the layer below the topsoil part of earths crust

crust

• a solid layer of rock beaneth the soil

Gems

• a rare, valuable mineral

Core

• the innermost part of earth

mantle

• The layer of earth beneth the crust