click below
click below
Normal Size Small Size show me how
Rocks Vocabulary
6th Grade Science Vocabulary
Question | Answer |
---|---|
the process of breaking rock into smaller pieces. | weathering |
the movement of sediment to new locations | erosion |
the dropping of sediment from wind or water that slows down, or from ice that melts | deposition |
a process when layers of sediment build up over millions of years and become packed down. | sedimentation |
the process that causes compacted particles of sediment to become glued together. "Mother Nature's Glue" | cementation |
a type of sedimentary rock that is made of sediments that were weathered, transported, and deposited in layers. | clastic rock |
a type of sedimentary rock that is formed from minerals that were dissolved in water, came out of solution, and were then deposited | chemical rock |
a natural, solid substance that has a definite chemical composition and physical structure. | mineral |
melted rock within the Earth | magma |
a rock formed when magma or lava cools and hardens | igneous rock |
magma that reaches the Earth's surface | lava |
an igneous rock that forms from magma and cools slowly underground so the mineral crystal grains grow larger. | intrusive rock |
a type of igneous rock that forms from lava that cools quickly on the Earth's surface and the mineral crystals grains are very small. | extrusive rock |
the process when igneous rock cools and hardens. | crystallization |
a type of rock that forms from materials at the Earth's surface and will usually have stripes or layers of different colors. | sedimentary rock |