Science Units 1,2,&3
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| wetlands | water ecosystems that include saltwater marshers, mangrove, swamps, and mud flats.
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| conserving | the saving or protecting of resources.
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| recycle | to recover a resource from an item and use the recovered resource to make a new item.
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| reduce | to cut down on the use of resources
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| reuse | to use items again; sometimes for a different purpose.
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| exotic | an imported or non-native organism.
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| endangered | a population of organisms that is likely to become extinct if steps are not taken to save it. (50 or less are left)
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| extinct | There is no more of a particular population of animal.
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| threatened | a population of organisms that are likely to become endangered if they are not protected.
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| omnivore | An organism that eats borth meat & producers
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| erosion | the process of moving sediment from one place to another.
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| herbivore | An organism that eats only producers.
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| mass movement | this type of pressure brings clear, fair, weather and cooler temperatures.
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| weathering | the process of breaking rock into soil, sand, and other tiny pieces.
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| pollution | waste products that damage an ecosystem.
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| acid rain | precipitation resulting from pollution condensing into clouds and falling to Earth.
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| conserving | the saving or protecting of resources.
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| recycle | to recover a resource from an item and use the recovered resource to make a new item.
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| reduce | to cut down on the use of resources
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| reuse | to use items again; sometimes for a different purpose.
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| warm front | a mountain formed by lava and ash.
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| slope | how steep a grade or slant there is on a hill.
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| transpiration | this is water vapor given off by animals when they exhale and plants through their leaves.
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| mouth | is located where a river empties into an ocean.
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| valley | a low place between two mountains
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| plains | layered flat clouds that are low to the ground producing light rain or snow.
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| exotic | an imported or non-native organism.
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| endangered | a population of organisms that is likely to become extinct if steps are not taken to save it. (50 or less are left)
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| extinct | There is no more of a particular population of animal.
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| threatened | a population of organisms that are likely to become endangered if they are not protected.
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| biome | a large scale ecosystem
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| climate zone | a region throughout which yearly patterns of temperature, rainfall, and amount of sunlight are similar.
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| estuary | the place where a freshwater river empties into an ocean.
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| food chain | the ways in which the organisms in an ecosystem interact with one anohter according to what they eat.
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| food web | show the interactions among many different food chains in a single ecosystem.
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| instinct | a behavior that an organism inherits.
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| learned behavior | a behavior an animal learns from its parents
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| competition | the contest among organisms for the limited resources of an ecosystem.
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| symbiosis | a long-term relationship between differnt kinds of organisms.
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| niche | the role each population has in its habitat.
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| population | all the individuals of the same kind living in the same environment.
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| producer | an organism that makes its own food or plants.
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| consumer | an organism in a community that must eat to get the energy that it needs.
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| energy pyramid | show the amount of energy available to pass from one level of a food chain to the next.
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| condensation | The process by which a gas changes back into a liquid.
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| precipitation | Any form of water that falls from the clouds, such as rain or snow.
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| Evaporation | The process by which a liquid changes into a gas.
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| transpiration | the process in which plants give off water through their stomata.
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| water cycle | the cycle in which Earth's water moves through the environment.
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| individual | a single oranism in an environment
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| habitat | a place in an ecosystem where a population lives.
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| ecosystem | a community and its physical environment.
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| decomposer | a consumer that breaks down the tissues of dead organisms.
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| community | all the populations of organisms living together in an environment.
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| humidity | a measure of the amount of water in the air.
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| local winds | winds dependent upon local changes in temperature.
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| prevailing winds | the global winds that blow constantly from the same directions. (Sometimes called "westerlies")
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| microclimate | the climate of a very small area
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| greenhouse effect | process by which the Earth's atmosphere absorbs heat.
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| global warming | the hypothesized rise in Earth's average temperature from excess carbon dioxide.
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| el nino | A short-term climate change that occurs every two to ten years in the Pacific Ocean.
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| Climate | The average of all weather conditions through all seasons over a period of time.
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| barometer | an instrument that measures air pressure.
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| hygrometer | an instrument that measures the amount of humidity or water in the air.
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| wind vane | an instrument that measures wind direction.
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| anemometer | an instrument that measures wind speed.
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| rain gauge | an instrument that measures the amount of precipitation that falls from the sky.
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| cirrus clouds | thin and whispy clouds that are found high in the sky and are made of ice crystals and indicate fair weather.
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| cummulus clouds | looks like a cotton ball and usually means fair weather, but small amounts of rain may also occur.
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| cumnulonimbus clouds | tall, puffy, grayish looking clouds that indicate that stormy weather.
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| stratus clouds | flat, layered clouds that are found low in the sky, indicate precipitation, and they sometimes make it hard to see while driving.
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| natural resource | any of the useful minerals and other materials that people take from the Earth.
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| nonrenewable resource | a resource that cannot be readilyl replaced once it is used.
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| renewable resource | A resource that is replaced as it is used.
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| reusable resource | A natural resource that is renewed by natural cycles and can be used more than once.
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| recycling | the process of taking a resource from a product and making it into a new product.
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| reuse | to use a resource or material again.
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| reduce | to use less of a resource or material.
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| air pressure | the weight of air.
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| atmosphere | the layer of air that surrounds the Earth.
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| mutualism | a relationship between two organisms in which both organisms benefit.
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| gravitation | the force that pulls all objects in the universe toward one another.
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| magnetism | The force of pushing or pulling between poles of magnets.
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| balanced forces | The forces acting on an object that are equal in size na dopposite in direction, canceling each other out.
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| net force | the result of two or more forces acting together on an object.
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| unbalanced forces | forces that are not equal.
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| machine | something that makes work seem easier by changing hte size or the direction of the force.
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| force | a push or a pull that causes an object to move, stop, or change direction.
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| friction | a force that opposes, or acts against, motion when two surfaces rub against each other.
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| velocity | an object's speed in a particular direction.
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| intertia | The property of matter that keeps an object moving in a straight line or keeps it at rest.
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| power | the amount of work to be done for each unit of time.
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| work | the use of a force to move an object through a distance.
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| acceleration | a change in motion caused by unbalanced forces or a change in velocity.
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| momentum | a measure of how hard it is to slow down or stop an object.
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| postition | an objects place, or location.
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| speed | a measure of the distance an object moves in a given amount of time.
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| energy transfer | when energy is transferred from one object to another.
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| conduction | when energy is transferred from one object to another by contact.
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| convection current | the transfer of heat by the mass movement of heated particles into an area of cooler fluid.
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| radiation | when energy is transferred from one object to another through rays not contact.
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| density | the thickness of an object.
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| contract | when an object gets smaller.
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| expand | when an object gets larger.
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| uneven heating | when heat is distributed at different rates and in different areas.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
rsanders
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