APES VOCAB Flashcards

14748605514	Element	A substance that cannot be broken down into simpler substances	0
14748605515	Compounds	a thing that is composed of two or more separate elements; a mixture.	1
14748605516	Molecules	Groups of two or more atoms held together by chemical bonds	2
14748605517	Atoms	Basic unit of matter (smallest)	3
14748605518	Ions	Charged atoms ( positive and negative)	4
14748605519	Nucleus	Center of an atom	5
14748605520	Protons	Positively charged particles	6
14748605521	Electrons	Negatively charged particles	7
14748605522	Nuetrons	no charge	8
14748605523	organic compounds	Compounds that contain carbon	9
14748605524	inorganic compounds	Compounds that do not contain carbon	10
14748605525	natural selection	the principle that, among the range of inherited trait variations, those contributing to reproduction and survival will most likely be passed on to succeeding generations	11
14748605565	synthetic		12
14748605526	electromagnetic radiation	a form of energy that exhibits wavelike behavior as it travels through space	13
14748605527	Energy	the ability to do work	14
14748605528	Matter	Anything that has mass and takes up space	15
14748605529	kinetic energy	energy of motion	16
14748605530	potential energy	stored energy	17
14748605531	radioactive decay	The breakdown of a radioactive element, releasing particles and energy	18
14748605532	half-life	length of time required for half of the radioactive atoms in a sample to decay	19
14748605533	Law of Conservation of Matter	matter cannot be created or destroyed	20
14748605534	1st law of thermodynamics	Energy cannot be created or destroyed	21
14748605535	2nd law of thermodynamics	Every energy transfer or transformation increases the entropy of the universe.	22
14748605536	Entropy	A measure of disorder or randomness.	23
14748605537	Metabolism	All of the chemical reactions that occur within an organism	24
14748605538	Mutation	A change in a gene or chromosome.	25
14748605539	Orgnaism	Any living thing	26
14748605540	Species	A group of similar organisms that can breed and produce fertile offspring.	27
14748605541	Population	A group of individuals that belong to the same species and live in the same area	28
14748605542	Community	All the different populations that live together in an area	29
14748605543	Autotroph	An organism that makes its own food	30
14748605544	Heterotroph	An organism that cannot make its own food.	31
14748605545	Photosynthesis	Conversion of light energy from the sun into chemical energy.	32
14748605546	cellular respiration	Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen	33
14748605547	Aerobic	Process that requires oxygen	34
14748605548	Anaerobic	Process that does not require oxygen	35
14748605549	Adaptation	A trait that helps an organism survive and reproduce	36
14748605550	Trait	A characteristic that an organism can pass on to its offspring through its genes.	37
14748605551	Gene	A segment of DNA on a chromosome that codes for a specific trait	38
14748605552	Chromosones	threadlike structures contain genetic information passes through cells	39
14748605553	gene pool	Combined genetic information of all the members of a particular population	40
14748605554	Evolution	Change over time	41
14748605555	Extinction	A term that typically describes a species that no longer has any known living individuals.	42
14748605556	Core	Center of the earth	43
14748605557	Mantle	the layer of the earth between the crust and the core	44
14748605558	Crust	Earth's outermost layer.	45
14748605559	fault	A break in the earth's crust	46
14748605560	Weathering	The breaking down of rocks and other materials on the Earth's surface.	47
14748605561	Erosion	Processes by which rock, sand, and soil are broken down and carried away (i.e. weathering, glaciation)	48
14748605562	Rocks	made up of one or more minerals	49
14748605563	Minerals	A solid inorganic substance of natural occurrence.	50