Rocks
The most common rock type at the SURFACE of the Earth is...
Sedimentary (75%)
The most common mineral on Earth's land surface is what?
Quartz
The crust is how thick?
5-25 mi or 8-40 km thick
Fossils are most commonly found in what rocks?
Limestone and sandstone
In real life, can you use obsidian to make a Nether Portal?
No
Obsidian is what?
Volcanic glass
A mineral that reacts the most is what?
Calcite
What function in the mantle is one cause of plate tectonics?
Convection
The largest shark teeth ever found were from what type of shark?
Megalodon
It is illegal to touch or move chert in the western United States for what reason?
The chert might have been moved there by Native Americans
Igneous rocks in the rock cycle can transform into what other rock type/s?
Igneous, Metamorphic, and Sedimentary
Cut and polished minerals are referred to as what?
Gemstones
There are how many major tectonic plates on Earth's surface?
7
The most common fossils found in limestone come from what environment?
Marine
What are three natural disasters caused by plate tectonics?
One known rock that floats is called...
Pumice
Minerals have how many properties?
10 (cleavage, color, diaphaneity, hardness, luminescence, luster, magnetism, reactivity with acid, streak, and tenacity)
The core of the earth is made out of what elements?
Fossils are what?
The preserved remains of once living plants and animals.
One of the most common rock types found in the Rock Hunt on Monday was...
Limestone
One key feature of most metamorphic rocks (as seen in gneiss and schist) are what?
Bands of different minerals
What mineral is found in every rock type?
Quartz
The inner core remains as a solid at such extreme temperatures for what reason?
The amount of pressure on it keeps the core from melting
Fossilized dung, or coprolite, is also known as what?
Young amber
What rock types are more resistant to weathering and erosion?
Intrusive igneous and metamorphic rocks