A | B |
carbohydrates | any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the supporting tissues of plants and are important food for animals and people. |
carbon dating | to estimate the age of (an object of plant or animal origin) by radiocarbon dating. |
carbon dioxide | look up |
carnivores | an animal that feeds mainly on other animals. In a food chain, carnivores are secondary and higher consumers. |
Catalyst | Substance that increases the rate of a chemical reaction while undergoing no permanent change in composition itself |
Cause | the producers of an effect |
cell structures | organelles within the cell, each having a function. |
cell wall | the definite boundary or wall that is part of the outer structure of certain cells, as a plant cell. |
cementation | look up |
Chemical Bond | look up |
Chemical Energy | That part of the energy in a substance that can be released by a chemical reaction |
Chemical Property | A property used to characterize materials in reaction that change their identity |
Chemical Reaction | The affect between two substances when put together. |
chemical weathering | process by which chemical reactions alter the chemical composition of rocks and minerals that are unstable at the Earth's surface and convert them into more stable substances |
chloroplast | a plastid that contains chlorophyll and is the site of photosynthesis and starch formation |
CFC | look up |
Class | The taxonomic category composed of related genre |
climate | the weather in some location averaged over some long period of time |
codon | a triplet of adjacent nucleotides in the messenger RNA chain that codes for a specific amino acid in the synthesis of a protein molecule |
cohesion | look up |
Collaboration | to work together, in unison |
column | vertical arrangement of items |
comets | a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit |
compare | to examine (two or more objects, ideas, people, etc.) in order to note similarities and differences |
compound | a substance made up of more than one element, chemically bonded together |
Concentration | The act of concentration the state of being concentrated |
conclusion | look up |
conduction | The transfer of heat from one substance to another by direct contact |
conductor | a substance, body, or device that readily conducts heat, electricity, sound |
constant | factors in an experiment that must remain the same through all tests |
consumers | an organism that must obtain its food from other organisms |
consumption | The act or process of using up something |
contagious | look up |
contrast | to compare in order to show unlikeness or differences; note the opposite natures, purposes, etc |
controls | standard for comparison in an experiment |
convection | the transfer of heat through a fluid (liquid or gas) caused by molecular motion |
Convergent Evolution | The independent evolution of similar structures among unrelated organisms |
Conversation of Energy | A principle pf physics stating that the total energy in any closed system does not vary, although energy can be changed from one to another |
Convservation of matter | matter cannot be created/destroyed, although it may be rearranged in space, and changed into different types of particles. |
covalent bond | a substance formed by the sharing of electrons, covalent bonds |
crest | the highest part of a wave |
cross pollination | look up |
current | a large portion of air, large body of water, etc., moving in a certain direction |
cytoplasm | the cell substance between the cell membrane and the nucleus, containing the cytosol, organelles, cytoskeleton, and various particles. |
cytosine | a pyrimidine base, C4H5N3O, that is one of the fundamental components of DNA and RNA, in which it forms a base pair with guanine. |