Minerals
A natural, non-living solid with a definite chemical structure
What is a mineral
Most of these are not found in pure form,but are mixed together in rocks.
What are minerals?
Sedimentary rocks form in these.
What are layers?
Molten rock inside the Earth.
What is magma?
Metamorphic rocks are formed when...
one rock changes into another type of rock.
Minerals are made up of these arranged in a particular, repeating pattern.
What are crystals?
A solid, natural material made up of one or more minerals.
What is a rock?
Pieces of rocks and minerals that form in layers
What are sediments?
Igneous rocks from when magma does this.
What is cools and hardens?
Three things that cause metamorphic rocks to form
What are heat, pressure, and chemical reactions?
Minerals that are valued for their rarity and beauty.
What are gemstones?
The pattern of change in rocks is called this.
What is the rock cycle?
These are found only in sedimentary rock.
What are fossils?
An igneous rock that floats
What is pumice?
Metamorphic rocks can be made from these two types of rocks.
What are sedimentary and igneous?
This scale is used to tell the hardness of minerals.
What is the Mohs hardness scale?
Three types of rocks
What are igneous, sedimentary, and metamorphic?
You can see more years of Earth's history in its layers than anywhere else on Earth.
What is the Grand Canyon?
Some igneous rocks form when this cools on Earth's surface
What is lava?
This is formed when limestone is heated under pressure deep within the Earth.
What is marble?
Hardness, color, density, luster, crystal shape
What are some properties of minerals?
A giant hole made when rocks from outer space strike the Earth.
What is a crater?
Scientists examine sedimentary rock layers to place past events in sequential order.
What is relative dating?
Fine-grained rocks form when lava does this
What is cools quickly?
This metamorphic rock is formed from shale.
What is slate?