Types of Rocks
Igneous Rocks
Metamorphic Rocks
Sedimentary Rocks
Rock Cycle
100
What type of rock is formed from melted magma or lava?
Igneous
100
What is magma called when it is above ground?
Lava
100
What are Metamorphic rocks?
Igneous or sedimentary rocks under heat and pressure turn into a metamorphic rock.
100
What is a Sedimentary Rock?
A rock made from layers of layers of sediments that turn into rock because of pressure.
100
Weathering and erosion causes all kind of rocks to turn into what?
(Hint: pieces of rocks)
Sediments
200
What rock is formed from layers and layers of sediments?
Sedimentary
200
Pumice is a rock that cooled above ground. Did it cool slowly or quickly?
Slowly
200
What are some characteristics of metamorphic rocks?
Flattened grains, swirls, not as crystal like, layers are mixed together
200
What is erosion of rocks?
When little bits and pieces of rock are broken off and carried away and deposited into lakes, rivers or on top of other layers of soil.
200
Igneous Rocks and Sedimentary rocks turn into what rock under heat and pressure?
Metamorphic rocks
300
What type of rock is formed when the rock changes into another kind of rock?
Metamorphic
300
This type of rock is formed by slowly cooling pockets of lava underneath the earth’s surface.
Granite
300
Gneiss is what type of igneous rock that was changed from heat and pressure?
Granite
300
Why are fossils commonly found in sedimentary rock?
The process that forms sedimentary rocks is much gentler than the process that forms igneous and metamorphic rocks.
300
When igneous and Metamorphic Rocks melt, it turns into what?
Magma