click below
click below
Normal Size Small Size show me how
Rocks & Minerals
Term | Definition |
---|---|
streak | the color of the powder left behind when you rub a mineral against a white tile |
rock cycle | Earth's pattern of slow changes in rocks from one kind to another |
sedimentary rock | forms when rock pieces deposited over time are squeezed and stuck together |
hardness | a mineral's ability to resist being scratched |
igneous rock | rock that forms when melted rock hardens |
mineral | a natural solid that has its particles arranged in a crystal pattern |
luster | describes how a mineral's surface looks when light reflects from it |
erosion | the movement of rocks that have been broken down by weathering |
weathering | caused by many things such as wind, water, ice, and plant roots |
metamorphic rock | rock that has been changed by high heat and great pressure |
rock | material made up of one or more minerals |