All About Soil
The part of the soil formed from the remains of living things that have died and decayed is
humus
Hard pieces of the earth's surface are called:
Rocks
Rocks are made of one or more of these:
minerals
Define Erosoin
The movement of rocks and soil
The remains or trace of a living thing that has died and was buried quickly
The layer of soil that has larger pieces of rock and contains less humus than topsoil is the
Subsoil
This type of rock forms when layers of sediment are pressed together and harden
Sedimentary Rock
Define mineral:
A solid material in nature that was never alive
What is the rapid, downhill movement of large amounts of rocks and soil is called?
a landslide
When none of a certain kind of plant or animal are still alive, the plant or animal is
extinct
The last layer of soil that contails large, unbroken rock is called
Bedrock
This type of rock forms when melted rock cools
Igneous
What three properties are used to identify minerals?
hardness, crystal shape, color/streak
Name two causes of erosion:
flowing water, wind
Is the following statement a Biblical Worldview or Evolutionary Worldview:
Fossils formed in sediment that was laid down over millions and millions of years.
Evolutionary - a Biblical Worldview states that Most fossils formed during the Flood of Noah’s day.
when plants and animals decay, they
break apart or rot
This type of rock forms when sedimentary and igneous rocks are changed by great heat and pressure
Metamorphic Rock
These minerals are easy to find and are often used for things like table salt and pencil lead...
common minerals
Why is it important to conserve soil?
Soil is a natural resource that was given to us by God. It is used to grow food for people and animals. It is used to grow plants used for medicine. Soil is used to make bricks, roads, plates, and cups.
When does someone with a Biblical Worldview believe most fossils formed?
During the Genesis Flood
What four things make up soil?
broken rock, air spaces, water and humus
How do scientists classify rocks?
By how they are formed
These minerals are harder to find and some are called gems:
precious minerals
List four causes of weathering:
flowing water, wind, ice and plants
What do we call a scientist who studies how fossils were made?
a taphonomist