Flashcards
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Cards in this deck (23)
- 1IGNEOUS ROCKS CHP. 8.2
- 2WHAT IS MAGMA?IT IS HOT MOLTEN ROCKS
- 3HOW DOES MAGMA BECOME LAVA?WHEN MAGMA REACHES THE SURFACE ITS KNOWN AS LAVA WHICH CAN BE AS HOT AS 1200°C
- 4WHAT DOES IGNEOUS MEAN?BORN OF FIRE
- 5HOW IS IGNEOUS ROCK FORMED?THEY ARE FORMED FROM THE SOLIDIFICATION AND COOLING OF LAVA OR MAGMA.
- 6A DIAGRAM EXPLAINING VOLCANO AND THE ROCK CYCLE
- 7WHAT ARE EXTRUSIVE ROCKS?THEY ARE IGNEOUS ROCKS
THAT HAVE FORMED QUICKLY ENOUGH TO HAVE LITTLE OR NO CRYSTALS - 8—
- 9WHAT ARE INTRUSIVE ROCKS?THERE IGNEOUS ROCKS FORMED OVER A LONG PERIOD OF TIME MEANING CRYSTALS FORM LARGER AND LONGER
- 10—
- 11WHAT ARE INTERLOCKING CRYSTALS?WHEN DIFFERENT CRYSTALS COMPRESS AND START GROWING INTO EACH OTHER
- 12—
- 13HOW ARE IGNEOUS ROCKS CLASSIFIED ?THERE CLASSIFIED ON HOW LARGE THE CRYSTALS ARE
- 14WHAT IS TEXTURE?HOW A SUBSTANCE LOOKS AND FEELS
- 15How is colour used to classify igneous rocksIgneous rocks may be simply classified according to their chemical/mineral composition as felsic, intermediate, mafic, and ultramafic, and by texture or grain size: intrusive rocks are course graine
- 16—
- 17What do dark colours contain?Olivine and Pyroxene
- 18What do light colours contain?quartz and feldspar
- 19what are holes in igneous rocks caused by and how are they formedthey are caused by the rapid cooling and solidification and then air bubbles get trapped creating the holes
- 20—
- 21—
- 22I'm sorry Nemo I mean Nimo
- 23—
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- Flashcards on Untitled, created by ALIYAH hassan on 19/10/2017.
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- ALIYAH hassan
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