Term
| Put the following minerals in order from the softest to the hardest: feldspar, diamond, talc, calcite |
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Definition
| talc, calcite, feldspar, diamond |
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Term
| What term describes how a mineral looks when it breaks apart in an irregular way? |
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Definition
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Term
| There are roughly 4,000 known minerals. How many are common rock forming minerals? |
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Definition
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Term
| What term describes how a rock's surface looks and feels? |
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Definition
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Term
| What igneous rock is often mixed with soil and used for starting vegetable seeds? |
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Definition
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Term
| What process breaks up rock on Earth's surface? |
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Definition
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Term
| What process breaks up rock on Earth's surface? |
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Definition
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Term
| What type of sedimentary rock is bituminous coal? |
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Definition
| organic - formed from compressed dead plants |
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Term
| How does the metamorphic rock GNEISS (pronounced NICE) from? |
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Definition
| Granite is heated and pressed into banded layers. |
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Term
| Why is the rock cycle a true "cycle?" |
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Definition
| There is no beginning and no end. |
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Term
| What are the three ways that minerals can form? |
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Definition
1. organic processes
2. water evaporation from a solution
3. cooling of magma or lava |
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Term
| How many different crystal shapes are there for minerals? |
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Definition
| There are 6. The two we learned about are CUBIC and HEXAGONAL. |
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Term
| If magma is trapped below Earth's surface, what will the resulting rocks look like? |
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Definition
| They will have more time to cool very slowly, so the crystal size will be larger and able to see with the naked eye. |
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Term
| Do geologists classify rocks according to their origin? |
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Definition
| Yes! Origin means where they began. This is one of the biggest ways that geologists classify rocks. |
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Term
| Where do INTRUSIVE igneous rocks form? |
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Definition
| Intrusive rocks form INSIDE the Earth (under the surface). |
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Term
| Why have people throughout history used igneous rocks for tools and building materials? |
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Definition
| They are hard, dense, and durable. |
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Term
| How does the rock cycle show the Law of Conservation of Matter? |
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Definition
| The rock cycle always reuses materials. No new rock material is created and none is destroyed. It is constantly recycled and reused. |
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Term
| What is the clastic sedimentary rock formed from? |
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Definition
| tiny pieces of clay that is squeezed together |
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Term
| What igneous rock make up most of the oceanic crust? |
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Definition
| Basalt-a dark-colored rock with relatively low silica content |
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Term
| How are clastic sedimentary rocks formed? |
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Definition
| tiny pieces of clay that are squeezed together |
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Term
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Definition
| A frothy igneous rock that is full of holes where gas escaped quickly. It is often used for abrasives and polishing. |
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Term
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Definition
| A light-colored igneous rock with a high silica content. It makes up a lot of the continental crust. |
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Term
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Definition
| Small, solid pieces of material from rocks or living things |
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Term
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Definition
| The process by which running water, wind, or ice carry away bits of broken-up rock |
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Term
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Definition
| The process in which dissolved minerals crystallize and glue sediment together |
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Term
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Definition
| The process by which sediment settles out of water or wind |
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Term
| Name 5 common igneous rocks |
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Definition
1. Granite
2. Pumice
3. Basalt
4. Obsidian
5. Rhyolite |
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Term
| Name 5 common sedimentary rocks |
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Definition
1. Siltstone
2. Sandstone
3. Coquina
4. Shale
5. Limestone |
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Term
| Name 5 common metamorphic rocks |
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Definition
1. Gneiss
2. Marble
3. Quartzite
4. Slate
5. Soapstone |
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Term
| The Hope Diamond was rumored to be cursed. What were some of the unfortunate happenings blamed on the ownership of the diamond? |
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Definition
1. odd deaths
2. poverty (being very poor)
3. revolution (overthrowing of gov't)
4. mental illness
5. divorce
6. never marrying |
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Term
| The Hope Diamond was rumored to be cursed. What were some of the unfortunate happenings blamed on the ownership of the diamond? |
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Definition
1. odd deaths
2. poverty (being very poor)
3. revolution (overthrowing of gov't)
4. mental illness
5. divorce
6. never marrying |
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Term
| What 5 criteria must an object meet in order to be called a mineral? |
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Definition
1. naturally occurring
2. solid
3. definite chemical composition
4. crystal structure
5. inorganic |
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Term
| Why will fossils never be found in igneous rock? |
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Definition
| Igneous rocks form from hot magma or lava. Fossilized remains would be burned up and destroyed. |
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