Layers of the Earth
The thin outer layer of the earth is called the_____.
What is the crust?
An inorganic substance found naturally in the earth ____.
What is a mineral?
A characteristic of a mineral to break along smooth, straight lines or into flat sheets is called ____.
What is cleavage?
Rock formed by heat and pressure deep below the earth’s crust is called ____.
What is a metamorphic rock?
______ studies the structure, rocks, and minerals of the earth.
Who is a Geologist?
The center of the earth is called the _____.
What is the core?
A substance made of things that were never alive.
What is an inorganic substance?
The color of the mark made when a mineral sample is rubbed on a harder surface is called the ____.
What is the streak?
Rocks that forms when layers of sediment and organic material harden is called ____.
What is a sedimentary rock?
True or False : The hot melted rock that makes up the mantle of the earth is called the lava.
False
True of False: Soil is the loose material of the surface of the earth in which plants can grow.
True
The way a mineral reflects light is called its ___.
Luster
True or False: If a substance is a mineral, it cannot be a metal.
False
Rock formed from magma or volcanic lava is called___.
What is an igneous rock?
True or false : Weathering produces small bits of weathered rock called humus?
False
What is sediment?
A hard, natural substance made of one or more minerals that contain organic materials is called a
Rock
A mineral that can be cut and polished for use is called a ___.
Gemstone
Name three uses of minerals.
Possible answers- added to toothpastes, fertilizer, dry wall, pottery, electronics, glass, foods, drinks, medicine, and paint
True or False: Gemstones that are beautiful and rare are called precious stones.
True
True or False: The movement of sediment from one place to another is known as erosion?
True
Most of the earth’s mass is in the ____.
What is the mantle?
The Mohs scale is used to determine the hardness of ___.
Minerals
Where are minerals usually found?
Minerals are found on the surface of the earth or buried in the earth’s crust in rocks or in veins.
Explain how the Flood could have contributed to the formation of sedimentary rock.
The waters of the Flood could have stirred up great amounts of dirt and particles that would settle into layers as the water receded.
How could weathering and erosion help people find minerals?
Weathering and erosion could remove some of the surface material and expose lower levels of the earth where minerals might be found.