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2nd Semester Vocab

Hydrosphere, chemical, physical, ect. vocabulary words.

Mass the amount of matter in an object
Weight is a force due to the pull of gravity on an object.
Volume is the amount of space occupied by a substance; size.
Density is how much mass a material has per unit of volume. Denser materials have more matter in a given space than less dense materials. Density is found by dividing the mass of an object by its volume.
Appearance is how something looks.
Odor is the smell that a substance gives off. For example, vinegar has a pungent odor.
Texture is how a substance feels to the touch. For example, sand has a grainy texture, while talc has a soft, fine texture.
Boiling Point is the temperature at which a liquid changes to a gas. For water, it is 100 °C or 212 °F.
Melting/Freezing Point is the temperature at which a liquid changes from a solid to a liquid. For water, it is 0 °C or 32 °F
Solubility refers to the ability of a substance to dissolve in a solvent such as water or the amount of a substance that can dissolve in a certain amount of water.
Polarity The distribution of electrical charge within a molecule of a substance.
Viscosity refers to how easily a liquid is able to flow.
Conductivity refers to the ability of a substance to transmit energy
Compressibility refers to the ability of a given mass of a substance to decrease in volume in response to the application of an outside force.
Magnetism The ability of a substance to respond to a magnetic field.
Reactivity describes whether a substance reacts easily with other substances. For example, most metals will react with acids.
Unreactive Substance substance does not react easily with most other substances. The noble gases are the least reactive elements
Flammability describes the ability of a substance to ignite or burn
Combustibility describes the ability of a substance to react rapidly with oxygen and release energy in the form of heat and/or light.
Natural Resources materials from thr enviorment that are used by living things
Respiration oxegyn is used to release the energy stored in food
Photosynthesis a process by which some organisms use light energy from the sun to make nutrients in the form of carbohydrates
Desalination seperates salt from seawater
Oceanography the study of physical properties of oceans
Sonar Sound Navigation And Ranging
benthos organisms that live on or near the bottom of the ocean
plankton tiny organisms that are moved by ocean currents
nekton free-swimming organisms organsims that move independantly of currents
intertidal zone the shoreline area that falls between the hightide mark & the low tide mark
neritic zone the ocean area that slopes down from the edge of the shoreline toward the ocean floor
coral reef a limestone deposit formed from coral shells
upwelling the movement of nutrient rich waters from the deep ocean into shallow areas
oceanic zone made up of the open waters of the ocean
hydothermal vents cracks in the ocean crust that release mineral rich water that has been heated by Earth's interior
estuaries are a unique ecosystem that forms where salty ocean water mixes with fresh water from rivers
photosynthesis a food making process in which organisms use the energy in sunlight to combine carbon dioxide and water to produce sugars & oxegyn
consumer an organism that obtains its food by eating other organisms
producer an organism that makes its own food
decomposer an organism that gets its food & energy by breaking down the remains of dead organisms
trophic level each feeding level in an ecosystem is called a tropic level
food web a diagram to show the interconnected network of food chains within an ecosystem
food chain show the flow of energy from producer to different levels of consumers to decomposers
pH measures how acidic or basic water is
turbidity a measure of how clear water is
algal bloom rapid growth of algae ecouraged by too many nutrients in the water
nitrates nitrogen compounds used for growth by plants and algae
bioindicators organisms or parts of organisms that are used to acsess ecosystem health
pollutant any substance or form of energy that can cause harm to the environment and make it unfit for use by organisms
point-source pollution pollution that comes from a single identifiable source
non-point-source pollution pollution that comes from many places or a source that isn't easily identified
wastewater water that runs into drains
wastewater treatment plant a facility that processes water to remove wastes & then releases the clean water into a lake or stream
drain feild a series of pipes that are buried under gravel or crushed rocks
septic system a wastewater treatment system for an individual home or farm
Created by: laurakansas