Are there minerals in rocks.
What is Yes
What are the 3 types of rocks
What is Igneous, Sedimentary and Metamorphic
What is the first horizon called?
What is the O Horizon (humus)
True or False? Animals burrying down in the soil is good for the soil.
What is True
The _ horizon mostly has minerals in it
What is the C horizon
True or False? A diamond is the hardest mineral
What is True
____ rocks are made when they mix and transform underneath the earth due to heat and pressure.
What is Metamorphic
Horizon B can also be called...
What is subsoil
What things make up soil
What is air, water, living organisms, humus,minerals and broken rocks
If you dig in the ground behind the school the O horizon might be deeper than if you dig behind your house
What is Yes layers of soil are different depths everywhere
___ is the softest mineral
What is Talc
The rock cycle starts with ....
What is Magma
Soil can hold a major part in forming rocks like Igneous and Metamorphic
What is Yes
Bedrock can also be classified as what horizon
What is the R horizon
___ Hardness Scale
What is Mohs
A ___nail can not scratch Topaz
What is a Fingernail
True or False? Sedimentary rocks can be formed by weathering
What is True. Weathering brakes the sediment down then by it gets carried away into the ocean forming sedimentary rocks
Why would you not find soil in Mars or Venus
What is because other planets will not have air, water and organic materials the same way that we do.
How is the C horizon and bedrock similiar
What is they most are made of rocks and plant roots do not penetrate this layer.
True or False? There are 5 layers of soil
What is True
Calcite is number _ on Moh's Hardness Scale
What is 3
What is one example of a igneous rock
What is Granite, Basalt, Pumice, Gabbro, etc.
Where do the minerals come from that end up in soil
What is from the weathering and erosion of rocks
How many types of soil in the U.S.
What is 5-12
Can Apatite scratch Quartz
What is Yes Apatite is 5, with Quartz being 7