Term
|
Definition
| accumulation of eroded sediments |
|
|
Term
|
Definition
| slow slippage of rock layers or a large mass of loose material |
|
|
Term
|
Definition
| land area beyond the river channel |
|
|
Term
|
Definition
| small, thick granules formed from snow |
|
|
Term
|
Definition
| rainwater that flows off a land surface and does not soak in. |
|
|
Term
|
Definition
| curves or bends in a river |
|
|
Term
|
Definition
| layer of permeable rock or soil that allow ground water to move |
|
|
Term
|
Definition
| gradual process of change through which new environments become populated |
|
|
Term
|
Definition
| cooperative relationship between members of two or more species |
|
|
Term
|
Definition
| local or global disappearance of a species either by natural processes such as climate changes or through destruction of habitats or introduction of competitive species. |
|
|
Term
| What factors determine the amount of percipitation that becomes run off? |
|
Definition
| the type of land and the amount of rain fall |
|
|
Term
| List the four causes of erosion. |
|
Definition
| gravity, running water, glaciers, wind |
|
|
Term
| Explain the difference between permeable and impermeable material. |
|
Definition
| Permeable allows water to pass and impermeable doesn't allow water to pass through material. |
|
|
Term
| Explain how meanders form? |
|
Definition
| When a river begins to curve and turn as it moves across its flood plain |
|
|
Term
| How do glaciers change the land? |
|
Definition
| by scrapping deposition and erosion |
|
|
Term
| What is one wasy that humans interfere with animal interactions with their environment? |
|
Definition
| by cutting down trees and poluting streams and rivers |
|
|
Term
| What type of symbiotic relationship do a child and her goldfish have? |
|
Definition
|
|
Term
| How is deposition related to erosion? |
|
Definition
| Erosion is the movement of sediment from where they form to a new location. Deposition is the accumulation to these sediments. |
|
|
Term
| What is the main way humans now cause the extinction of other species? |
|
Definition
| By destroying the habitats and environments of species. |
|
|
Term
| The ____________ move along with the glacial ice. |
|
Definition
|
|
Term
| Firn is about ________ air. |
|
Definition
|
|
Term
| ________ occurs because the material under the slumped material weakened. |
|
Definition
|
|
Term
| _______ can be eroded more easily during a drought. |
|
Definition
|
|
Term
| An icy grain is about ______ air. |
|
Definition
|
|
Term
| _______ flowing swiftly down a steep hill eventually reaches less sloping ground and flows less swiftly. |
|
Definition
|
|
Term
| New fallen snow is ______ air. |
|
Definition
|
|
Term
| ______ today use planting and water techniques that prevent this type of soil erosion. |
|
Definition
|
|
Term
| A _______ period of time is when ice and snow cover much of Earth's surface. |
|
Definition
|
|
Term
| Glacial ice is less than ______ air. |
|
Definition
|
|
Term
| _______ covered large portions of land during the lost age. |
|
Definition
|
|
Term
| Glaciers contains up to ______ of the worlds fresh water. |
|
Definition
|
|
Term
| ______ rocks can be broken down into smaller pieces and changed into other materials as a result of weathering. |
|
Definition
|
|
Term
| The area became known as the __________ because as the soil was carried away by the wind it created great swirling bowls of dust. |
|
Definition
|
|
Term
| The __________ River itself cuts into its banks, widen ists valley, and picks up more sediment. |
|
Definition
|
|
Term
| The ______ particles can cause even more erosion than ice and snow. |
|
Definition
|
|
Term
| As the ______ stream and rivers reach gradually sloping ground they slow down. |
|
Definition
|
|
Term
| ________ may gradually widen and the hills lining the valleys become more rounded and less steep. |
|
Definition
|
|
Term
| ________ overcomes the force of friction. |
|
Definition
|
|
Term
| As ___________ in the forest change, so do animal populations. |
|
Definition
|
|
Term
| Animals and plants change the ________ in which they live simply by living there. |
|
Definition
|
|
Term
| With no protection from the sun fragile rain forest _______ dry out instead of sprouting. |
|
Definition
|
|
Term
| Species that are dependent on a certain habitat are vulnerable to __________. |
|
Definition
|
|
Term
| The most common way we cause extinction is by destroying ___________. |
|
Definition
|
|
Term
| Destruction of habitats is not the only way humans cause ____________. |
|
Definition
|
|
Term
| A _________ is a plant that grows on forest trees in both the US and Europe. |
|
Definition
|
|
Term
| __________ is one way ecosystems recover from damage such as fires. |
|
Definition
|
|
Term
| _______ which can't make their own food get food from the plant roots. |
|
Definition
|
|
Term
| Individuals of different species may also form __________. |
|
Definition
| cooperative relationships |
|
|
Term
| Succession and the recovery of ecosystems depends on ________ or the many species that live in an area. |
|
Definition
|
|
Term
| Diversity is one reason _______ can take place. |
|
Definition
|
|
Term
| _________ can be increased by direct sun and causes water to change to water vapor. |
|
Definition
|
|
Term
| _________ changes water vapor to liquid water and causes clouds to form. |
|
Definition
|
|
Term
| ________ consists of rain, snow, and hail and occurs when water droplets become too heavy for clouds to hold. |
|
Definition
|
|
Term
| _________ is how water is recycled on Earth and uses the sun for heat. |
|
Definition
|
|
Term
| ________ is demonstrated when the water level of a glass of water lowers over a period of time and the disappearance of a puddle of water. |
|
Definition
|
|
Term
| Rocks that do not allow water to pass through are |
|
Definition
|
|
Term
| Air spaces in rock and soil are called ______. |
|
Definition
|
|
Term
| A permiable layer of sand, gravel, or rock can be an ________. |
|
Definition
|
|
Term
| A material in soil that water soaks into quickly is _______. |
|
Definition
|
|
Term
| A rock that can be porous and permeable is _________. |
|
Definition
|
|
Term
| A soil type that is impermeable is _________. |
|
Definition
|
|
Term
| A rock that allows water to pass through it is said to be __________. |
|
Definition
|
|
Term
| An aquifer is like a __________ but drains water underground. |
|
Definition
|
|
Term
| The process by which a stream dumps sediment is called _________. |
|
Definition
|
|
Term
| When soil moves down a hill, it is called ________. |
|
Definition
|
|
Term
| A slow movement of soil down a hill, causing trees to lean, is called ________. |
|
Definition
|
|
Term
| When the weight of the soil on top is too much to be supported by the soil underneath and a mass of soil slips down the slope, it is called ________. |
|
Definition
|
|
Term
| If you see a pile of broken rocks at the bottom of a cliff, you should watch for _______. |
|
Definition
|
|
Term
| After a heavy rain, a steep hillside made of loose dirt may experience ________. |
|
Definition
|
|
Term
| Why are people who build their homes on steep hillsides taking a chance? |
|
Definition
| They can get hurt by rockslides and mudflows. |
|
|
Term
| Why are steep banks left when roadways are cut through land sometimes covered with concrete? |
|
Definition
| Cause if it floods, it keeps the soil from eroding or slipping. |
|
|
Term
| Why would you especially notice areas where there is creep in the northern climates? |
|
Definition
| there is not that many hills |
|
|
Term
| A period of time when most of the land was covered with ice and snow is known as an ________. |
|
Definition
|
|
Term
| Large masses of ice and snow called _______ still cover about one-tenth of Earth's surface. |
|
Definition
|
|
Term
| As snow piles up and doesn't melt, it becomes so heavy that the bottom layer turns to _____. |
|
Definition
|
|
Term
| Masses of ice and snow that cover Greenland and Antarctica are called __________ glaciers. |
|
Definition
|
|
Term
| Glaciers formed in high mountains are called ________ glaciers. |
|
Definition
|
|
Term
| At one time, ________ glaciers covered part of the United States. |
|
Definition
|
|
Term
| Glaciers push ________ in front of them. |
|
Definition
|
|
Term
| Most of Earth's fresh water is stored in ________. |
|
Definition
|
|
Term
| Explain how glaciers form sediment. |
|
Definition
| The ice melts into water which runs in the cracks of rocks. As the water freezes it expands breaking the rock. |
|
|
Term
| If there is a shortage of fresh water in the future, what is possible solution? |
|
Definition
| pieces of glaciers could be melted |
|
|
Term
| During the late 1930's, the Central Plains in the United States became so dry it was called the ________. |
|
Definition
|
|
Term
| Sand, clay, silt, and other loose sediments can be moved by _______. |
|
Definition
|
|
Term
| The cycle of change that constantly shapes the land around you includes _________ and deposition. |
|
Definition
|
|
Term
| The shapes of ________ are always changing. |
|
Definition
|
|
Term
| Sand dunes are formed by the ________ of sand. |
|
Definition
|
|
Term
| Once sand dunes are formed, they are continuously ______. |
|
Definition
|
|
Term
| Why is it illegal to remove beach grasses along some beaches? |
|
Definition
| The roots of the grass help anchor the sand and keep it form blowing away. |
|
|
Term
| Why are dunes along oceans important? |
|
Definition
| They protect the wildlife and people from flooding by ocean waves. |
|
|
Term
| When one community is slowly replaced by another, the process of change is called ______. |
|
Definition
|
|
Term
| As an environment changes, new ________ make it possible for other species to grow, reproduce, and increase in number. |
|
Definition
|
|
Term
| The first species to live in a new ecosystem are _______ species. |
|
Definition
|
|
Term
| Climax communities do not remain ______ forever. |
|
Definition
|
|
Term
| The gophers of Mount St. Helens are an example of one species affecting the _______ of a whole ecosystem. |
|
Definition
|
|
Term
| Diversity is the presence of many different _____ within a community. |
|
Definition
|
|
Term
| A change in plant _______ usually results in a change in the number of animals in an ecosystem. |
|
Definition
|
|
Term
| Organisms made up of algae and fungi living together are called ______. |
|
Definition
|
|
Term
| In a _______ , the plant and animal species living there are well adapted to the present conditions. |
|
Definition
|
|
Term
| Succession and the recovery of ecosystems depends on _______. |
|
Definition
|
|
