Rock Properties
This property can be one of the first things we notice when we look at a rock. Examples: brown, blue, red
Esta propiedad puede ser una de las primeras cosas que notamos cuando miramos una roca. Ejemplos: marrón, azul, rojo
Color
This type of rock forms when many layers of sediment build up on the ocean floor and compact into a rock over time.
Sedimentary
When a little light shines through a rock, but it is not see-though, it is ______________.
Translucent
Mt. Hood is an example of a _____________.
Mountain
This rock smells and is soft.
Sulfur- soft yellow rock
We use a scratch plate to tell how _________ or soft a rock is.
Usamos una placa para raspar para decir qué tan _________ o blanda es una roca.
Hard
Igneous Rock is created from the cooling of ______ or _______ (liquid rock).
Lava or Magma
When no light shines through a rock, it is called _O_____
Opaque
These can be underground systems or in the sides of a mountain.
CAVE
This rock is hard and transparent
Calcite (Looks like crystal)
If a rock is see through- we call it T _____________.
Transparent
Metamorphic rock forms from high heat and pressure usually deep ______________.
Underground.
When a plant or animal gets preserved in a rock, it is called a _______________.
Fossil
Little rocks get carried by _____________ down the sides of mountains and out into the ocean
Rivers or Water
This rock is heavy, hard and sparkly
Basalt- Lava rock
How much light is reflected off a rock is its ___________. Some rocks are dull, some are ______.
Shiny/ shininess
Sandstone and limestone are this type of rock
Sedimentary
Someone who studies rocks is called a _____________.
Geologist
The earth is _______ Billion years old.
4.6 Billion
This peach and white rock has some crystals. It has medium hardness and it slightly translucent, but mostly opaque.
Feldspar
________ Scale of Hardenss tells us how hard a rock is. Diamond is a 10, chalk is a 1.
Mohs
Basalt and Obsidian are this type of rock
Igneous
If a rock is all one type of material, it is called a ___________.
Mineral.
When liquid rock is underground in a volcano, it is called: M___________.
Magma.
This soft rock is flaky, breaks easily and is lightweight. Some light shines through this rock
Mica- (clear flaky rock).