click below
click below
Normal Size Small Size show me how
Rocks and minerals
Study guide for test
| Question | Answer |
|---|---|
| What tools are used to perform field tests | water clay nail penlight |
| Water is used to | see a mineral's true color or sense its smell |
| clay is used for | the streak test for color |
| Nails is used for | the scratch test for hardness |
| penlight is used | decide if a mineral is transparent, translucent or opaque |
| Fossil | remains or traces of an organism that lived long ago |
| cleavage | a plane along which a mineral most easily splits |
| gem | a precious stone that has been cut or polished |
| luster | the way in which a mineral reflects light |
| light | can be tested by seeingif light will pass through a mineral |
| What does a geologist do? | collect and study rocks and minerals |
| Sulfer is a mineral that | smells like rotten eggs found in cabbage and onion yellow used in making gunpowder |
| Transparent | transmits all fo the light that is shined |
| tanslucent | transmits varying degrees of light |
| opaque | transmits no light |
| see through or clear glass is an example of | transparent |
| waxed paper is an example of | translucent |
| a piece of wood is an example of | opaque |
| igneous rock is formed by | when melted rock cools |
| sedimentary rock is formed by | layers that are compacted and cemented together |
| metamorphic rock is formed by | changes as a result of underground heat, pressure and water |
| magnetite is used for | a compasss it is a lodestone |
| granite, marble and limestone are used for | making buildings |
| sulfur and feldspar are used for | medicine |
| gypsum is used for | walls in homes |
| lead found in galena is used for | storing radioactive material |
| Rocks are made of | one or more minerals |