Term
| Traces or remains of living things from long ago are: |
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Definition
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| Fossils that were common during a certain span of time and helped to determine the age of rocks and rock layers are: |
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| The actual bodies or body parts of organisms are: |
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| A tubular sample that shows layers of ice and snow built up over thousands of years is a(n): |
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Definition
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Term
| The age of an object or event in relation to other objects of events is: |
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Definition
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Term
| The actual age of an event or object is: |
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Term
| The amount of time it takes a radioactive element to decay by 50% is called: |
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Term
| James Hutton's theoty that the same forces at work in the past was called the Theory of: |
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Definition
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Term
| Earth's history divided into intervals of time defined by major events or changes on Earth is: |
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| Fossils can only form when: |
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Definition
| The conditions are just right |
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Term
| What are the 3 substances that can preserve origional remains? |
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Definition
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Term
| What are the earliest fossils found on Earth? |
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Definition
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Term
| What type of rock are fossils most commonly found? |
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Definition
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Term
| Why are fossils not found in igneous rocks? |
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Definition
| Because they would be burned and stuff from being in the volcano. |
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Term
| Scientists study sedimentary rock to determine: |
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Definition
| What happened in different time periods (climate, temperature, animals and plants alive then) |
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Term
| Define the difference between relative and absolute age. |
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Definition
| Relative is based on events, absolute is the exact time it happened. |
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Term
| What can scientists determine by studying tree rings? |
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Definition
| Its age and climate conditions. |
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Term
| What can scientests determine by studying ice cores? |
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Definition
| How long its been ice covered and the temperatures. (Like depending on how it melted/froze) |
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Term
| What are the five types of fossils? |
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Definition
| Petrified, Cast, Mold, Trace, and Carbon Film. |
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Term
| The powder left behind when a mineral is scraped across a porcelain tile is: |
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Definition
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Term
| What do scientists use to determine hardness? |
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Definition
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Term
| The way light reflects from a minerals surface is it's: |
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Definition
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Term
| The tendancy of a mineral to break along flat surfaces is: |
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Definition
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Term
| The tendancy of a mineral to break into irregular pieces is: |
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Definition
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Term
| The amount of mass in a given volume of a substance: |
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Definition
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Term
| A mineral's resistance to being scratched is its: |
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Definition
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Term
| Molton rock inside Earth is called: |
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Definition
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Term
| Molton rock when it reaches Earth's surface is called: |
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Definition
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Term
| Rock that contains enough of a mineral to be mined for a profit is: |
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Definition
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Term
| What are the two types of mining? |
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Definition
| Surface mining and deep mining |
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Term
| What are the 4 characteristics of a mineral? |
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Definition
| it forms in nature, its a solid, it has a definate chemical makeup, and it has a crystal structure |
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Term
| In what layer are all rock-forming minerals? |
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Definition
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Term
| What is the most common group of minerals? |
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Definition
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Term
| What is a naturally formed solid that is usually made up of one or more minerals? |
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Definition
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Term
| What is the process that forms changes and breaks down rock? |
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Definition
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Term
| What forms when molten rock cools and becomes a solid? |
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Definition
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Term
| What forms when pieces of older rocks, plants, and other loose materials get pressed or cemented together? |
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Definition
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Term
| What forms when heat or pressure causes older rocks to change into new types of rocks? |
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Definition
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Term
| What are materials that settle out of water or air? |
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Definition
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Term
| What is the process in which an existing rock is changed by heat or pressure? |
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Definition
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Term
| What is the process in which atoms join together differently as new bonds form? |
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Definition
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Term
| What is an arrangement of minerals in flat, wavy, or parallel bands? |
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Definition
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Term
| Explain the difference between an intrusive and extrusive igneous rock. |
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Definition
Intrusive- Cools IN the Earth
Extrusive- Cools on SURFACE |
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Term
| Where does the rock cycle begin and end? |
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Definition
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Term
| Why do some igneous rocks have large crystals and some have small crystals? |
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Definition
| If they cool slow, they have big crystals, if they cool quickly, they are small crystals. |
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Term
| What sedimentary rock forms from the remains of ancient plants that have been buried and pressed together? |
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Definition
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Term
| What sedimentary rock forms in caves due to evaporation and when sea shells a cemented together? |
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Definition
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Term
| What mineral is formed in the shells and skeletons of ocean organisms? |
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Definition
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Term
| What is the most common type of rock found on the Earth's surface? |
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Definition
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Term
| Why do igneous rocks often make longer lasting landforms, like Ship Rock, than sedimentary? |
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Definition
| It doesn't wear as easily because in sedimentary, the wind can just pick up parts of the landform. |
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Term
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Definition
| When particals are picked up. |
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Term
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Definition
| When particals are dropped off. |
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Term
| What type of rock is Sandstone and Limestone? |
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Definition
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Term
| What type of rock is Granite and Pumcie? |
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Definition
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Term
| What type of rock is Gneiss and Marble? |
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Definition
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Term
| In what types of enviroments would you find limestone? |
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Definition
| A place that used to be underwater. |
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Term
| List three ways that people use rocks. |
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Definition
| buidings, appliances, and jewelry. |
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Term
| The study of living and nonliving things and how they interact is: |
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Definition
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Term
| A particular enviroment and all the living things that are supported by it is a(n): |
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Definition
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Term
| All living things in an ecosystem are called |
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Definition
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Term
| All non-living things in an ecosystem are called: |
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Definition
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Term
| The movement of water through the enviroment is a: |
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Definition
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Term
| An organism that captures sunlight energy and stores it as a source of food is called a: |
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Definition
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Term
| An organism that gets its energy by eating other organisms is a: |
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Definition
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Term
| An organism that breaks down dead plants and animals is a: |
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Definition
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Term
| A consumer that feeds on dead plants and animals is a: |
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Definition
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Term
| The feeding relationship between the producer and a single series of links between consumers is shown in a: |
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Definition
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Term
| A model of the feedin relationships between many different consumers and producers and decomposers is a: |
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Definition
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Term
| A model that shows the amount of energy available at each feeding level in an ecosystem is a(n): |
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Definition
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Term
| A group of organism of the same species that live in a particular area is a: |
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Definition
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Term
| The physical location where plants and animals live is a: |
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Definition
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Term
| An organism's role in a specific habitat is its: |
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Definition
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Term
| A group of populations that live in a particular area and interact with one another is a: |
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Definition
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Term
| An animal that eats another is a: |
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Definition
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Term
| An animal that is eaten by another is a: |
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Definition
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Term
| Any factor or condition that limits the growth of a population in an ecosystem is a: |
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Definition
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Term
| When a population reaches a state where it can no longer grow then it has reached its: |
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Definition
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Term
| How does a control burn in a forest actually help the forest? |
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Definition
| It helps keep the population under control. |
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Term
| A coyote eats jackrabbits. If the number of coyotes in an area decreases, the number of jackrabbits in the area will probably ______ at first. |
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Definition
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Term
| Explain how the amount of algae in a pond can be a limiting factor for fish. |
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Definition
| There might not be enough algae for all of the fish, so less can live there. |
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Term
| What might happen to a previously undisturbed ecosystem when humans begin to interact with it? |
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Definition
| They may have fewer resources and a less carrying cappacity. |
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Term
| How does building a dam actually benifit the enviroment? |
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Definition
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Term
| What are 2 major factors that may affect the survival rate of a plant or animal? |
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Definition
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Term
| What do all food chains begin with? What do they all end with? |
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Definition
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