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8th Chpt 3 SCI ROCKS
8TH CHT 3 SCIENCE ROCK VOCABULARY LESSON 1 and 2
Question | Answer |
---|---|
DEPOSIT | sediment or rock added to a landform |
GRAIN | fragment that makes up a rock |
LAVA | molten rock that erupts on Earth's surface. |
MAGMA | molten or liquid rock underground |
ROCK | natural, solid mixture of minerals or particles. |
ROCK CYCLE | series of processes that change one type of rock into minerals or particles. |
SEDIMENT | rock material that is broken down into smaller pieces or dissolved in water as rocks erode. |
TEXTURE | grain size and the way grains fit together in a rock. |
EXTRUSIVE ROCK | igneous rock that cools and crystalizes on Earth's surface. |
INTRUSIVE ROCK | igneous rock that forms as magma cools underground. |
VOLCANIC GLASS | rock that forms when lava cools quickly to form crystals. |