8th Grade Earth Science Exam Review Chap 4 Crossword
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Down:
1) rocks that have been changed because the temperature changes2) when magma reaches Earth’s surface and flows from volcanoes3) formed as lava cools on the surface of earth5) a mixture of such minerals, rock fragments volcanic glass, organic matter, or other natural materials6) rocks that form from magma below surface8) process that sediments are held together by dissolved minerals produced when water moves through rock9) metamorphic rocks that form without layered texture10) rocks that have texture that are parallel layers of mineral grains13) a model created to show how rocks slowly change through time;
The rock cycle shows three types of rocks; igneous, metamorphic, and sedimentary |
Across:
4) igneous rocks that are dense and dark-colored7) when layers of sediments are pressed together to form rock11) rock that forms…
1. When sediments are pressed and cemented together
2. From already existing rocks that are weathered and eroded
3. When minerals form from solutions.12) hot magma that cools and hardens14) loose material, like tiny pieces of rocks, mineral grains, bits of shell that are moved by wind, ice, or gravity15) igneous rocks that are light-colored and not as dense as basalt |
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