Soil #1
The O Horizon
What is Humus?
Another name for humus
What is O Horizon?
Mineral in most foods
What is Salt?
What rock is made from cooling magma?
What is Igneous Rocks?
What is Mohs hardness scale?
Tells you how hard a minerals are (1,2,3,4,5,6,7,8,9,10)
The Layer of bedrock
What is the fifth layer. (the last)
Another name for b Horizon?
What is subsoil?
Most expensive mineral.
What is diamond?
What are the 3 types of rocks?
Sedimentary, Metamorphic, and Igneous Rocks
How many periodic table elements are there?
118
The nutrients in soil.
What is the leafs and plants?
The layer of soil we mostly buy.
What is top soil?
What is the weakest mineral?
What is Talc?
Type of rock that forms when particles of rock and other materials are compacted and cemented together.
What is Sedimentary rock?
What do Earthworms do in the soil?
Earthworms give the soil nutrients and the mix the soil together.
What layer do roots go down to?
B horizon
What mineral is glass made from?
What is Sand?
The "prettiest" rock
What is marble?
Best place for soil?
The best place for soil is in a dry cold place, with a lot of animals and trees.
What are the horizons?
O horizon, A horizon, E horizon, B horizon, C horizon, R horizon
How many minerals are there on Earth?
3800
What type of rock in a Obsidian?
What is Igneous Rock?