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acidic An adjective for products which contain acid. These products typically can gnawing at some minerals such as carbonate, or avoiding their development in the very first location.
farming The development of plants, animals or fungis for human requirements, consisting of food, fuel, chemicals and medication.
arsenic An extremely dangerous metal aspect. It takes place in 3 chemically various types, which likewise differ by color (yellow, black and gray). The fragile, crystalline (gray) type is the most typical. Some makers tap its toxicity by including it to insecticides.
germs( particular: germs) Single-celled organisms. These dwell almost all over in the world, from the bottom of the sea to inside other living organisms (such as plants and animals).
bladder A versatile bag-like structure for holding liquids. (in biology) The organ that gathers urine till it will be excreted.
bond( in chemistry) A semi-permanent accessory in between atoms– or groups of atoms– in a particle. It’s formed by an appealing force in between the taking part atoms. When bonded, the atoms will work as a system. To separate the part atoms, energy needs to be provided to the particle as heat or some other kind of radiation.
cancer Any of more than 100 various illness, each defined by the quick, unrestrained development of irregular cells. The advancement and development of cancers, likewise referred to as malignancies, can cause growths, discomfort and death.
carbon The chemical aspect having the atomic number 6. It is the physical basis of all life in the world. Carbon exists easily as graphite and diamond. It is a vital part of coal, limestone and petroleum, and can self-bonding, chemically, to form a massive variety of chemically, biologically and commercially crucial particles.
cell The tiniest structural and practical system of an organism. Usually too little to see with the unaided eye, it includes a watery fluid surrounded by a membrane or wall. Depending upon their size, animals are made from anywhere from thousands to trillions of cells.
Centers for Illness Control and Avoidance, or CDC A company of the U.S. Department of Health and Human Being Providers, CDC is charged with securing public health and security by working to manage and avoid illness, injury and impairments. It does this by examining illness break outs, tracking direct exposures by Americans to infections and hazardous chemicals, and routinely surveying diet plan and other practices amongst a representative cross-section of all Americans.
chemical A compound formed from 2 or more atoms that join (bond) in a repaired percentage and structure. For instance, water is a chemical made when 2 hydrogen atoms bond to one oxygen atom. Its chemical formula is H 2 O. Chemical likewise can be an adjective to explain homes of products that are the outcome of different responses in between various substances.
chemistry The field of science that handles the structure, structure and homes of compounds and how they communicate. Researchers utilize this understanding to study unknown compounds, to replicate big amounts of helpful compounds or to create and develop brand-new and helpful compounds. (about substances) Chemistry likewise is utilized as a term to describe the dish of a substance, the method it’s produced or a few of its homes. Individuals who operate in this field are referred to as chemists.
chlorine A chemical aspect with the clinical sign Cl. It is often utilized to eliminate bacteria in water. Substances which contain chlorine are called chlorides.
chloroform A colorless, fragrant chemical solvent. Far back, physicians would have clients breathe in vapors of this chemical to render them unconscious– and painfree– throughout surgical treatment.
cholera A bacterial illness that contaminates the little intestinal tract, triggering serious diarrhea, throwing up and dehydration. It is spread out by bacteria from feces that infect water or food.
rust( adj. destructive) A chemical procedure that compromises or ruins usually robust products, such as metals or rock.
present A fluid — such as of water or air– that relocations in an identifiable instructions. (in electrical power) The circulation of electrical power or the quantity of charge moving through some product over a specific time period.
aspect A foundation of some bigger structure. (in chemistry) Each of more than one hundred compounds for which the tiniest system of each is a single atom. Examples consist of hydrogen, oxygen, carbon, lithium and uranium.
engineer An individual who utilizes science to resolve issues. As a verb, to craft methods to create a gadget, product or procedure that will resolve some issue or unmet requirement.
environment The amount of all of the important things that exist around some organism or the procedure and the condition those things develop. Environment might describe the weather condition and environment in which some animal lives, or, possibly, the temperature level and humidity (or perhaps the positioning of things in the area of a product of interest).
ecological science The research study of environments to assist recognize ecological issues and possible services. Ecological science can unite lots of fields consisting of physics, chemistry, biology and oceanography to comprehend how environments operate and how human beings can exist side-by-side with them in consistency. Individuals who operate in this field are referred to as ecological researchers.
Epa, or EPA A nationwide federal government company charged with assisting develop a cleaner, more secure and much healthier environment in the United States. Produced on Dec. 2, 1970, it examines information on the possible toxicity of brand-new chemicals (besides foods or drugs, which are controlled by other companies) prior to they are authorized for sale and usage. Where such chemicals might be hazardous, it sets limitations or standards on just how much of them might be launched into (or permitted to develop in) the air, water or soil.
federal Of or associated to a nation’s nationwide federal government (not to any state or city government within that country). For example, the National Science Structure and National Institutes of Health are both companies of the U.S. federal government.
fertility Capability to replicate.
fertilizer Nitrogen, phosphorus and other plant nutrients contributed to soil, water or foliage to increase crop development or to renew nutrients that were lost previously as they were utilized by plant roots or leaves.
fluorine An aspect very first found in 1886 by Henri Moissan. It takes its name from the Latin word significance “to stream.” Really reactive, chemically, this aspect had little industrial usage till The second world war, when it was utilized to assist make a nuclear-reactor fuel. Later on, it was utilized as active ingredients (fluorocarbons) in refrigerants and aerosol propellants. Most just recently, it has actually discovered extensive usage to make nonstick coverings for frying pans, plumbings’ tape, and water resistant clothes.
bacterium Any one-celled microbe, such as a germs or fungal types, or an infection particle. Some bacteria trigger illness. Others can promote the health of more complex organisms, consisting of birds and mammals. The health results of a lot of bacteria, nevertheless, stay unidentified.
groundwater Water that is held underground in the soil or in pores and crevices in rock.
host( in biology and medication) The organism (or environment) in which some other thing lives. People might be a short-term host for food-poisoning bacteria or other infective representatives.
IQ Short for intelligence ratio. It’s a number representing an individual’s thinking capability. It’s identified by dividing an individual’s rating on an unique test by his/her age, then increasing by 100.
kidney Each in a set of organs in mammals that filters blood and produces urine.
leach( in geology and chemistry) The procedure by which water (typically in the type of rain) gets rid of soluble minerals or other chemicals from a strong, such as rock, or from sand, soil, bones, garbage or ash.
lead A poisonous heavy metal (shortened as Pb) that in the body transfers to where calcium wishes to go (such as bones and teeth). The metal is especially hazardous to the brain. In a kid’s establishing brain, it can completely hinder IQ, even at reasonably low levels.
liver An organ of the body of animals with foundations that carries out a variety of crucial functions. It can keep fat and sugar as energy, break down damaging compounds for excretion by the body, and produce bile, a greenish fluid launched into the gut, where it assists absorb fats and reduce the effects of acids.
nitrate An ion formed by the mix of a nitrogen atom bound to 3 oxygen atoms. The term is likewise utilized as a basic name for any of different associated substances formed by the mix of such atoms.
oxygen A gas that comprises about 21 percent of Earth’s environment. All animals and lots of bacteria require oxygen to sustain their development (and metabolic process).
contaminant A compound that pollutes something– such as the air, water, our bodies or items. Some toxins are chemicals, such as pesticides. Others might be radiation, consisting of excess heat or light. Even weeds and other intrusive types can be thought about a kind of biological contamination.
red cell Colored red by hemoglobin, these cells move oxygen from the lungs to all tissues of the body. Red cell are too little to be seen by the unaided eye.
homeowner Some member of a neighborhood of organisms that resides in a specific location. (Antonym: visitor)
threat The possibility or mathematical probability that some bad thing may occur. For example, direct exposure to radiation postures a danger of cancer. Or the danger– or hazard– itself. (For example: Amongst cancer threats that individuals dealt with were radiation and drinking water polluted with arsenic)
overflow The rainwater that runs of land into rivers, lakes and the seas. As that water takes a trip through soils, it gets little bits of dirt and chemicals that it will later on transfer as toxins in streams, lakes and seas.
Salmonella A genus of germs that can trigger illness in individuals and animals.
study( v.) To ask concerns that obtain information on the viewpoints, practices (such as dining or sleeping practices), understanding or abilities of a broad series of individuals. Scientists choose the number and kinds of individuals questioned in hopes that the responses these people provide will be representative of others who are their age, come from the exact same ethnic group or reside in the exact same area. (n.) The list of concerns that will be used to obtain those information.
innovation The application of clinical understanding for useful functions, particularly in market– or the gadgets, procedures and systems that arise from those efforts.
hazardous Toxic or able to hurt or eliminate cells, tissues or entire organisms. The step of threat positioned by such a toxin is its toxicity.
toxicologist A researcher who examines the possible damage positioned by physical representatives in the environment. These might consist of products to which we might be deliberately exposed, such as chemicals, cigarette smoke and foods, or products to which we are exposed without option, such as air and water toxins. Toxicologists might study the threats such direct exposures trigger, how they produce damage or how they move throughout the environment.