Layers/Surface
The center of the earth is called?
What is core.
Who studies the structure, rocks, and minerals of earth?
Who is geologist.
Break into smooth, straight lines or flat sheets is called.
What is cleavage.
True or False: Minerals DO NOT contain metals.
False
Rock formed by heat and pressure deep below the earths crust.
What is metamorphic.
The thin outer layer of the earth is....
What is the crust.
The movement of sediment from one place to another is.....
What is erosion.
The color of the mark made when a mineral sample was rubbed on a harder surface is called.
What is streak.
Gemstones that are precious and rare are called.
What are precious stones.
Rock that forms when layers of sediment and organic material harden.
What is sedimentary.
The loose material on the surface of the earth in which plants may grow.
What is soil.
Where are minerals usually found?
On earths surface or buried in the earth's crust in rocks or in veins.
Organic particles in the soil.
What is humus.
A gem that can be cut and polished for use is called.
What is gemstone.
Rock formed by magma or volcanic lava.
What is igneous.
A substance made of things that were never alive.
What is inorganic.
The wearing away of the earth.
What is weathering.
Melted rock underground.
What is magma.
What events formed and moved great amounts of sediment and then settled into layers as the water receded.
What is the flood.
Type of metamorphic rock
Slate, shale, marble, or limestone.
Most of earth's mass is in the....
what is mantle.
The Mohs scale is used to determine the hardness of....
What is minerals.
The magma that flows from an opening to the surface is called..
What is lava.
Name three uses of minerals.
what is....toothpaste, fertilizer, dry wall, pottery, electronics, glass, foods, drinks, medicines, and paint.
Type of igneous rock
Obsidian, granite, pumice, or basalt.