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| This is done in the field where scientists go out to the actual places shown in the images and confirm that what they think they see on the image is actually true. Occurs after remote sensing data has been collected. |
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| The process of gathering information without touching, a technical term for the science of gathering data using a sensor that is not in immediate contact with the object being studied. |
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| – A natural or man-made object that orbits a larger object, such as Earth. A remote sensing satellite carries one or more instruments for recording images and data of the Earth. Remote sensing satellites will record the amount of energy reflected from an object through multiple bands of the EMS. The data and images are transmitted to a receiving station using radio waves. |
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| A device used to gather and transmit information remotely; device used to sense, or gather, the information and data. |
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| To keep in existence; to maintain. |
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| amount of matter contained in a substance |
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| amount of space an object occupies |
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| a characteristic of a substance that can be observed |
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a characteristic of a substance that can
be observed without changing the identity of the substance |
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a characteristic of a substance that
can be observed ONLY when the identity of the substance
is changed |
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| the amount of energy needed to raise one gram of a substance by one degree Celsius |
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| the solubility to dissolve in another substance |
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| a means of separating a mixture based on polarity and solubility |
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| the ability to be stretched into a thin wire |
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Definition
| the ability to be hammered into a sheet |
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| temperature at which a solid changes to a liquid at a given pressure |
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| temperature at which a liquid changes to a gas at a given pressure |
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| Transform from one form to another. |
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| something that produces an observable physical change but still retains its original form. Some of these changes may include the appearance or disappearance of a color. |
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| occurs when the original substance changes form into a new substance. Some clues to a chemical reaction may include bubbles, smoke, a strong smell, color change, temperature change, or a sizzling sound. |
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| when one substance mixes with another and dissolves. Example: Salt + Water = Salt Water |
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| The smallest unit of matter that retains the identity of the substance. |
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| subatomic particle with a positive charge and located in the nucleus of the atom. The number of protons gives the atom its identity. |
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Definition
| subatomic particle with no charge, the same mass as a proton, and located in the nucleus of the atom. |
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| subatomic particle with a negative charge and located outside the nucleus. |
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| the number of protons in the nucleus of an atom. This number identifies the atom. |
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| the average mass number of all isotopes of an atom. Round this number to find the mass number of the atom. |
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| the number of protons and neutrons in the nucleus of an atom. Mass number = protons + neutrons |
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| A substance that cannot be broken down into simpler substances by ordinary chemical means. |
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| An arrangement of elements in order of increasing atomic numbers that demonstrates the periodic patterns that occur among the elements. |
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| Elements that occur in a horizontal row on the periodic table |
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| Elements that occur in a vertical column on the periodic table; also called a family. |
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| An element below and to the left of the stair-step line of metalloids; about 80% of the known elements are metals. |
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| An element above and to the right of the stair-step line of metalloids. |
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| An element with properties of both metals and nonmetals located along the stair-step line on the right side of the periodic table. |
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| a pure substance that is created by 2 or more elements chemically reacting and joining together. |
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| The physical combination of 2 or more substances; can be separated by physical means. |
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| A mixture that is evenly mixed; also called a solution. |
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| A mixture that is unevenly mixed. |
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| an insoluble substance that is produced as result of a chemical reaction. |
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| A chemical reaction in which heat energy is absorbed. |
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| A chemical reaction in which heat energy is given off. |
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| Law of Conservation of Mass |
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Definition
| A law that states that matter cannot be created or destroyed during a chemical reaction. The mass of the reactants is equal to the mass of the reactants. |
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Definition
| the tendency of water to stick to other substances |
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Definition
| the ability of a fluid to exert an upward force on an object that is immersed in the fluid |
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| the process that moves water through a narrow porous space |
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| the attractive force between water molecules |
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| the measure of mass of a substance per unit volume |
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Definition
| the amount of matter in an object |
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Definition
| uneven distribution of charges across a molecule |
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| having the ability to be dissolved in another substance |
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Definition
| the amount of heat needed to raise the temperature of one gram of a substance by one degree Celsius |
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Definition
| the amount of heat needed to raise the temperature of one gram of a substance by one degree Celsius |
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Definition
| prepared or created artificially; man-made not found in nature |
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| the quality of water that makes it able to dissolve more substances that any other solvent can |
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| the process of warm air cooling as it rises and releasing moisture in the form of a liquid |
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| the process by which a liquid is changed into a vapor |
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| water on Earth that is used for human consumption |
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| water located below Earth’s surface |
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| the portion of the Earth that contains water |
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| does not allow water to move through |
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| water that seeps into rocks and between particles of soil |
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Definition
| the downward movement of water through pores and other spaces in soil due to gravity |
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Definition
Having pores or openings that allow water(or other liquids) to flow through them
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| the rain, snow, sleet or hail that falls from clouds onto the Earth’s land and oceans |
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| is precipitation that flows over land into streams and rivers. This water later enters oceans. |
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Definition
| water found on the surface of the Earth |
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Definition
| water vapor given off by plant photosynthesis |
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Definition
| the continuous movement of water from the ocean to the atmosphere to the land and back to the ocean |
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Definition
| an underground layer of rock or soil that holds water |
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Definition
| a well in which water rises because of pressure within aquifer |
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Definition
| a long period of scarce rainfall |
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| an excess of water covering the land |
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| a lake that stores water for human use |
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Definition
| the region of land drained by a river and its tributaries |
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Definition
| the land area that supplies water to a river system |
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Definition
| a land area that is covered with a shallow layer of water during some or all of the year |
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Definition
| device that allows divers to breathe underwater for long periods of time. |
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Definition
| used to measure ocean depth by sending sound to bounce off the ocean floor. |
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Definition
| A small submarine used to explore the ocean depths; equipped with windows, lights, mechanical arms, cameras and other scientific instruments capable of seeing and recording data. |
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Definition
| the non-living factors of the environment that an organism lives in. |
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| mostly flat portion of ocean floor which provides a home to a variety of unique organisms that are adapted to the extreme conditions of this habitat. |
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| organisms that live on or in the ocean floor. |
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Definition
| The production of non-thermal light by creatures' converting chemical energy to light energy to lure prey, attract a mate, or assist in keeping like species together. An estimated 75 percent of benthic creatures glow |
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| the living organisms of the environment. |
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Definition
| the production of organic material by energy from chemical reactions rather than light. |
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Definition
| feed on other organisms (plant or animal) because they cannot make their own food. |
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| extends from the edge of the continent outward to where the bottom sharply drops off into a steep slope. |
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| The steep incline between the continental shelf and the abyssal plain. |
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Definition
| Microscopic algae with plate-like structures composed of silica. |
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Definition
| body of water where a river meets the ocean |
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Definition
| The immediate space where an animal or plant lives and has food, water and protection |
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Definition
| the area that lies between the low-tide and the high-tide line. |
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Definition
| A chain of undersea mountains that circles the earth through every ocean. |
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Definition
| free-swimming organisms whose movements are independent of the tides, currents, and waves. |
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Definition
| the first 200 meters (656 feet) of ocean water, which includes the seashore and most of the continental shelf. |
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Definition
| the deepest parts of the ocean. The deepest one is the Marianas Trench (located in the South Pacific Ocean - almost 5 miles (8.05 kilometers) deep. |
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| The top layer of the ocean where sunlight penetrates. |
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Definition
| A chemical process where plants and algae use a sun's energy to make sugars from carbon dioxide and water. |
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Definition
| The plant and algae component of the plankton; the primary producers of most ocean food webs. |
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Definition
| a living thing that produces its own food within itself, usually by using sunlight energy in photosynthesis |
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Definition
| the amount of dissolved solids in seawater |
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Definition
| A volcanic peak that rises at least 3280 feet (1000 m) from the seafloor. |
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Definition
| the upward movement to the ocean surface of deeper, cold and usually nutrient-rich waters, especially along some shores, due to the offshore movement of surface waters |
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Definition
| Animal component of the plankton that feed on phytoplankton and other zooplankton (primary consumers). |
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Definition
| organisms or components of organisms that are used to assess the health of a water system; an organism or community associated with particular environmental condition a change to the number of organisms or the proportions of the community indicate a change in the environment. |
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Definition
| Measure of water quality indicating free oxygen dissolved in water. |
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Definition
| A chemical material or solution which can be used to show (usually by a change in color) the endpoint of a chemical reaction or chemical concentration. Examples are litmus and phenolphthalein. |
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Definition
| small, spineless creatures that are visible with the unaided eye; they include organisms such as crustaceans, mollusks, worms, and insects |
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Definition
| nitrogen compounds used for growth by plants and algae; a compound that can be used by photosynthetic life forms to obtain the nitrogen needed for survival |
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Definition
| the measure of how acidic or basic a substance the acidity neutrality or basicity of a substance |
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Definition
| rating of how acidic or basic a substance is the scale goes from 0 to 14 with 7 being neutral values less than 7 being acidic and values greater than 7 being |
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Definition
| A flat, white disc lowered into the water by a rope until it is just barely visible. At this point, the depth of the disc from the water surface is the recorded secchi disc transparency. |
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Definition
| a measure of the clarity of the water (how clear is it?) |
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| used to describe the health of a water system |
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| rock layer that stores water and allows water to flow through it |
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Definition
| Any foreign components in a substance, for example in water. |
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| Non-point source pollution |
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Definition
| pollution that comes from many places or sources that is not easily identified; pollution that results from water flow picking up trash, toxic chemicals, and other types of waste |
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Definition
| nutrients flowing into an area |
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Definition
| pollution that can be traced to a specific source such as oil that spills from a pipeline |
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Definition
| any substance or form of energy that can cause harm to the environment and make it unfit for use by organisms; any substance that can negatively affect an ecosystem |
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| responsibility for conserving and restoring the Earth’s resources for future generations |
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Definition
| water that runs into drains that may contain sewage and chemicals from homes and businesses or pollutants from industry |
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