| A | B |
|---|
| glacier | a huge sheet or block of ice |
| igneous rock | rock that was once melted and then cooled and hardened |
| metamorphic rock | rock that has been changed by temperature and pressure |
| mineral | a solid object found in nature that has never been alive |
| rock | a naturally formed solid made of one or more minerals |
| sedimentary rock | rock made when materials settle into layers and harden into rock |
| weathering | the process of breaking down rocks into smaller pieces |
| erosion | the movement of weathered rock and soil |
| streak test | a color of powder that is left behind when a mineral is rubbed against a tile |
| 3 properties to identify a mineral | hardness, streak, and color |
| wind | a type of weathering that causes sand dunes |
| rock cycle | rocks change over millions of years from one rock to another |
| landform that a glacier might form | valley |
| creep | very slow type of erosion tht moves rock and soil |
| hardest mineral | diamond |
