Soil
What is bedrock?
the layer of soil that has large, unbroken rock
Rocks are made of ______________.
one or more minerals
Why should we understand the properties of minerals?
to help us know how to use them safely
to build strong materials
to eat healthy foods
What does extinct mean?
none of the plants or animals of a certain kind are still alive
Why is it important to conserve soil?
We should use God's natural resources wisely. Soil is helps to grow healthy food or plants that create medicine. Soil is also used to make bricks, roads, and other materials.
What is subsoil?
the layer of soil that has larger pieces of rock and contains less humus
How do scientists classify rocks?
by how they are formed
Minerals that are easy to find are called _______________.
common minerals
What is a fossil?
the remains or trace of a living thing that has died and was buried quickly
What is weathering?
the breaking down of rocks caused by wind, flowing water, ice, and plants
What is topsoil?
the layer of soil contains the most humus and is where plants grow
What are sedimentary rocks?
rocks that are formed when layers of sediment are pressed together and harden
Minerals that are hard to find are called _______________.
precious minerals or gems
When did most fossils form?
during the Flood of Noah's day
What is erosion?
the movement of rocks and soil caused by wind or flowing water
What is humus?
the remains of living things that have died and decayed
What are igneous rocks?
rocks that form when melted rock cools
What 4 properties can be used to identify a mineral?
crystal shape, color, streak, and hardness
Why are fossils of fish and seashells found today on mountains?
The mountains were covered with water during the Flood. Fish and seashell animals were buried quickly by sediment, and the remains turned to fossils.
What is a landslide?
the rapid downhill movement of a large amount of rocks or soil (an example of erosion)
Soil is a natural resource that is made up of what 4 things?
rocks, air, water, and humus
What are metamorphic rocks?
rocks formed when sedimentary or igneous rocks are changed by great heat and pressure
DAILY DOUBLE
A scratch test can be done to find the hardness of a mineral. Today scientists use the ________________ to help them identify minerals.
Mohs Hardness Scale
Daily Double
What is a taphonomist?
a scientist who studies how fossils are made
Define adaptation.
Is this a Biblical view, evolutionary view, or both?
Adaptation is a characteristic of a living thing that helps the living thing to survive in its environment.
Both.