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4th Grade Rocks and Minerals
Minerals are the building blocks of
Minerals are the building blocks of
rocks
What makes rocks different from each other?
What makes rocks different from each other?
They are made up of different minerals
How shiny or dull a mineral is
How shiny or dull a mineral is
luster
The way a mineral splits
The way a mineral splits
cleavage
What are the building blocks of minerals?
What are the building blocks of minerals?
elements
Rock that cools above the earth's surface is called
Rock that cools above the earth's surface is called
lava
Rock that cools below the earth's surface is called
Rock that cools below the earth's surface is called
magma
When magma cools below the earth's surface an_______igeous rock is formed.
When magma cools below the earth's surface an_______igeous rock is formed.
intrusive
When lava cools and hardens above the earth's surface, it's called an_________igneous rock.
When lava cools and hardens above the earth's surface, it's called an_________igneous rock.
extrusive
If lava cools in a few hours, what will the size of the crystals be like?
If lava cools in a few hours, what will the size of the crystals be like?
small
What are sediments?
What are sediments?
tiny particles of rock, or minerals or plants or bones or shells
How is new sedimentary rock formed.
How is new sedimentary rock formed.
particles settle in layers...they are pressed and sqeezed together
Limestone often contains
Limestone often contains
shells, bones, plants, fossils
Conglomerateis is formed from
Conglomerateis is formed from
larger rocks
What is the same about all sedimentary rock?
What is the same about all sedimentary rock?
made of sediment, deposited by water, turned to stone
Metamorphic rocks are formed from other rocks by_____and________deep inside the earth
Metamorphic rocks are formed from other rocks by_____and________deep inside the earth
heat and pressure
Gneiss is formed when ________is heated under great pressure.
Gneiss is formed when ________is heated under great pressure.
granite
Shale turns into
Shale turns into
slate
Sometimes minerals get rearranged and pressed into
Sometimes minerals get rearranged and pressed into
thin layers
Slate feels_________because of its small crystals.
Slate feels_________because of its small crystals.
smooth
Slate is a metamorphic rock that is used for
Slate is a metamorphic rock that is used for
tiles walkways rock walls
Limestone is used to make
Limestone is used to make
chalk
Pumice is an igneous rock used for
Pumice is an igneous rock used for
cleaning
Native Americans used obsidian to make
Native Americans used obsidian to make
arrows
Why is the State Capitol building made from granite?
Why is the State Capitol building made from granite?
strong, hard, comes in variety of colors
The moon has inactive volcanoes but no wind or running water. What kinds of rocks might you expect to find on the moon?
The moon has inactive volcanoes but no wind or running water. What kinds of rocks might you expect to find on the moon?
Igneous rocks
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What Would You Like To Risk?
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Go To The Final Question
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