7201928
Description
Flashcards by Muhammad Aziz, updated more than 1 year ago
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Created by Muhammad Aziz
over 7 years ago
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| Question | Answer |
| What are igneous rocks? | Rocks made by the cooling of lava |
| What is geology? | The study of rocks |
| How are intrusive igneous rocks made? | By the cooling of magma underground |
| How are extrusive igneous rocks formed? | By the cooling of surface magma |
| How do scientists classify rocks? | By the crystal size, colour and how they were formed |
| What are some characteristics of igneous rocks? | Hard, strong and has strong crystals inside |
| What are minerals? | Chemicals that give rocks their own classification |
| What are interlocking crystals? | Crystals that are joined and grown together |
| Name 4 extrusive igneous rocks? | Basalt, pumice, scoria and obsidian |
| Name 3 intrusive igneous rocks? | Quartz biotite and feldspar |
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