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68 Cards in this Set
- Front
- Back
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Chemical Bonding
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Atoms in a molecule are joined together by a strong Bond
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Structual Formula
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H-O-H AND C-O-O AND O-C-O
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Molecules
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The smallest particle of a substance that retains the chemical and physical properties of the substances and is composed of two or more atoms; a group of like or different atoms held together by chemical forces
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Hydrogen
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First element on yhe periodic table, hydrogen is truly in class by itself
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Oxygen
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A gaseous chemical element,0 atomic number eight and atomic weight 15.9994
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Atom
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Have some number of electrons and protons.Therefore they are electrically Neutral and have no electrical charge
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Chemical Energy
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Released by energy
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Chemical Formula
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H2O CO2
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Differ
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Ptotons Electornics and Neutrons in mass, electrical change and location
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Same
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Protons and Neutrons have mass
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Electrons
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Determine chemical properties of atoms
found in space of nucleus When atoms combine to form compound- electrons shift |
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Proton
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A atable, postively charged subatomic particle in the baryon family having a mass 1836 times that an electron
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Carbohydrates
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Any of a group of organis compounds that include sugars, startches, celluloses, and gums and source in the diet of animals.
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Istopes
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One or two atoms having same atomic number but different mass numbers
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Oxides
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A binary compound of an element or radical with oxygen
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Carbon
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Anaturally abundant nonmetallic element that occurs in many inorganic and in all organic compounds
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Nucleus
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The small dense center of the atom. Yhe nucleus is composed of protons and neutrons and has a postive electrical charge
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Elementary
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Of relating to or constitutions the basic essential or fundamental part
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Orbitals
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Is the region in which an electron may be found aroung a single atom
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Inorganic Compounds
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All other compounds
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Symbol
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Represents each element
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Electrical Charge
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Postive and Negative Charge
Electrons- Neg.Charge (-) Protons- Pos.Charge (+) Neutron-no Charge (0) |
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Mnemonic Device
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Protons Electrons Neutron
(PEN) |
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Elements
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Smallest particle of an element- Atom and has properties of that element
Substances that can not be broken down into simple substances Two or more join to form a compound Made of omly one kind of atom one oxygen and Hydrogen At least one-fifth known elements |
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Neutron
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An electrically neutral subatomic particle in the baryon family, having a mass 1839 times that of the electron stable when bound in an atomic nucleus, and having a mean life time of approximately 1.0*10^3 seconds as a free particle
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Matter
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Anything thathas mass and occupies space
Can exist as solid liquid and gas |
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NaCl
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Is the chemical short-hand (or formula)for sodium
CI- Chlorine NA-(latin)-Natrium- sodium |
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Respiration
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Release of energy/ Exchange of gases
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Homeostasis
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Maintence of a conatant state of Equilibrum despite change in an internal and external environment
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Scientific method
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Series of steps used by scientists to solve problems
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Variable
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Factor such as Temp, light intensity that causes change
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Control
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Recieves no change (Manipulation)
-Standard of comparision -Recieves only (inactive ingredient) |
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Observation
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Using senses and tools of measurement
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Independent variable
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The part of a controlled experiment that is manipulated, recieves treatment directly
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Dependent Variable
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Portion Controlled experiment that is of major concern. Focus and important
-Depends on Indepent Variable |
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Metabolism
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Sum of all living Activites
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Nutrition
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Taking materials from external environment and change them into a usable form by body
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Nutrients
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Needed substances (Minerals, Vitamins)
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Transport
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Distrubtion and absorbtion of materials , such as nutrients Co2, O2, water throughout the body movement between cells and within blood vessels and such
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Inter cellular
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Communication between cells
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Animals
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Have highly spacialized systems for carrying needed materials
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Aerobic
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Requires o2 from air or dissolved H2o (water)
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Plants
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Have specialized conducting structures that carry substances from roots and leaves to all the rest of the plant
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Regulation
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Process by which an organism controls and coordinates various acting
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Excretion
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Removal of waste products from body urine , sweat Co2
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Respiration
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Process by which organicms obtain needed energy by releasing chemical energy (ATP) stored in Nutrients
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Reproduction
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Production of offspring
-Generation longevity. Required for continuation of humanity |
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Anaerobic
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Does not require o2
-Simple organisms carryout Anaerobic |
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Characteristics of life
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-Homeostasis
-Metamolism - Nutrition -Transport -Regulation -Excretion -reproduction -Respiration |
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Intra Cellular
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Transport within cells
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Sugar
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Is chemically burned (oxidized) to provide /give off water and Co2
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Biology
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Study of life
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Biodiversity
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Study of living organisms
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Mutualistic
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A relationship between two species of oraganisms in which both benefit from the association
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Cells
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The smallest Units that carry on the functions of life
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Variation
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Is a characteristic an organsim has that makes it better able to survive in its environment
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Cell Membrane
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A thin membrane around the cytoplasm of a cell' controls passage of substances in and out of the cell
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Chloroplasts
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Plant cell inclusion bodies that contain chlorophyll. They occur in leaves and young stems
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Omnivores
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Animals that eat both meat and plants
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Carnivore
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Animals that only eat meat
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Herbivore
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Animals that only eat plants
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Biotic Factors
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Living Things
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Abiotic Factors
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Non-Living
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Features of life
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-Movement
-Nutrition -Respiration -Lifespan -Growth -Development -Made of cell - Respond to Stimuli |
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Made of Cell
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Basic unit of life
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Stimuli
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Something causing or regarded as causong response
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Growth
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Increase in number or size
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Life Span
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Is the length of time an organism is expected to live
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