Igenous Rocks
Where do igneous rocks form?
In or near Volcanos.
What are the 2 forces that make metamorphic rocks?
Heat and Pressure
What does lustre mean?
What a rock looks like when you shine light on it.
What are all rocks made out of?
minerals
What is melted rock called when it is flowing out of a volcano?
Lava
Where are metamorphic rocks formed?
Deep underground
Where do sedimentary rocks form?
In water, oceans, rivers, lakes
If a rock can NOT be scratched by a fingernail, penny, marble or nail what is its hardness?
Hard Rock
If minerals are like chocolate chips, what are rocks like?
Chocolate chip cookies
What is the type of igenous rock that floats in water?
Pumice
What tall landform are metamorphic rocks often found in?
Mountains
What 2 things break down rocks into sediments?
wind and rain
What type of grain is it if a rock has lots of big chunks of crystals and minerals?
Coarse Grained
Are gemstones like emeralds, rubies and diamonds rocks or minerals?
minerals
What type of igneous rock forms INSIDE a volcano?
Intrusive rock
What does metamorphic mean (HINT think of butterflies)
change
What is one type of sedimentary rock?
Sandstone, Shale, Conglomerate, limestone, breccia
If a rock sparkles when you shine a light on it, what is its lustre?
metallic
What is the hardest type of mineral on earth?
Diamonds
What does the word igneous mean in latin?
Fire
What is one type of metamorphic rock?
Gniess, Marble, Granite, Schist
What is something super old and special only found in sedimentary rocks?
Fossils
What hardness are most sedimentary rocks?
Soft
What is the cloud that comes out of a errupting volcano called?
pyroclastic cloud/flow