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| The use of al five sences to gather and record information about the natural world |
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| A logical conclusion based on very little data |
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| data that consits of measurments |
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| Data that describes actions colors and other charcteristics |
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| Any event or object in the natural world |
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| Ageneral conclusion based on observation and supported by data |
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| a suggested, testable answer to a well defined scientific question |
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| A proposed outcome based on a hypothesis |
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| a procedure designed to test the validity of a hypothesis |
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| factor or condition that could affect th experiment |
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| A set that has the correct conditions for the hypothesis |
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| Same as experimental group but with oppisite conditions |
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| An experiment with only one varible |
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| Anything that takes up space and has mass. |
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| A pure substance that can not be broken down into other substances by chemical means. |
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| Any element that makes up less than 0.01% of the mass of a living organism but is critical to the health of the organism. |
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| A substance containing two or more different elements that are chemically combined together. |
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| The simplest particle of an element that retains all the properties of that element. |
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| A subatomic particle with a single unit of positive electric charge |
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| A subatomic particle with a single unit of negative electric charge |
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| A subatomic particle that has no charge |
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| The central core of an atom that containsprotons and neutrons |
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| The number of protons in an atom's nucleus. |
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| One of several forms of an element, each containing the same number of protons in their atoms but a different number of neutrons. |
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| An isotope in which the nucleus decays (breaks down) over time, giving off radiation in the form of matter and energy. |
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| A molecule in which opposite ends have opposite electric charges |
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| A bond created by the weak attraction of a slightly positive hydrogen atom to a slightly negative portion of another molecule. |
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| A tendency of molecules of the same kind to stick to one another |
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| An attraction between unlike molecules. |
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| A uniform mixture of two or more substances. |
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| The part of a solution that dissolves the other substance and is present in the greater amount |
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| The part of a solution that is dissolved and is present in a lesser amount |
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| A solution in which water is the solvent. |
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| A compound that donates H+ ions to an aqueous solution and measures less than 7 on the pH scale. |
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| A compound that removes H+ ions from an aqueous solution and that measures more than 7 on the pH scale. |
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| A substance that maintains a fairly constant pH in a solution by accepting H+ ions when their levels rise and donating H+ ions when their levels fall. |
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| A molecule built upon a framework of carbon atoms. |
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| A non-carbon based molecule. |
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| A class of organic molecule composed of only carbon and hydrogen atoms. |
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| A group of atoms within a molecule that interacts in predictable ways. |
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| (Water Loving) A molecule that is attracted to water molecules. |
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| (Water Fearing) A molecule that repelled by water molecules. |
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| A small molecular unit that is the building block of a larger molecule. |
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| A molecule consisting of a long chain of smaller molecular units (monomers). |
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| A polysaccharide in animal cells that consists of many glucose monomers. |
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| A polysaccharide consisting of glucose monomers that reinforces plant-cell walls. |
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| One of a class of water-avoiding (hydrophobic) compounds. |
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| An organic compound consisting of a three-carbon backbone (glycerol) attached to three fatty acids. |
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A fat in which all three fatty acid chains contain no double bonds and hold the maximum possible number of hydrogen atoms.
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Unsaturated fats contain double bonds in the carbon chains of the fatty acids. |
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| A lipid molecule with four fused carbon rings. |
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| A steroid molecule present in the plasma membranes of animal cells. |
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| A class of organic compounds that stores and carries important information used for cell function. |
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| A building block monomer of nucleic acid polymers. |
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| A nucleotide composed of a single or double ring of carbon and nitrogen atoms with attached functional groups. |
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| A 5-carbon sugar based on a ring-shaped framework. |
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| The pentose found in the bases that make up RNA. |
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| The pentose found in the bases that make up DNA. |
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| Family of nitrogenous based on a single ring of carbon and nitrogen atoms. |
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| Family of nitrogenous based on a double ring of carbon and nitrogen atoms. |
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| Term that describes the structure of DNA which consists of two strands of nucleotides wound about each other. |
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| Nucleotide bases that must pair with each other in nucleic acids. |
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