Science Crossword Puzzles

change in frequencies of alleles in a population across generations, pattern of evolution at or above the species level, probability of offspring …

an _ is a mixture made of two or more elements, at least one of which is a metal, when a neutral atom gains an electron, it gains negative charge and …

rna contains this sugar, rna has this nitrogenous base, rather than thymine, which is in dna, this initiator codon in mrna signals protein synthesis …

set of three nitrogen bases that represents an amino acid; order of nitrogenous bases in mrna determines the type and order of amino acids in a …

face up, this synovial joint allows movement in one plane of motion (elbows, knees), this synovial joint allows movement in two planes of motion …

motion that is linear and then reverses on same vector, uses a chain transmission, increases when effort decreases on a simple machine, motion that is …

the life of a cell is divided into three stages of this cycle, this is the longest stage (time period) in the cell cycle, this is the second stage of …

number times a wave repeats in a given time, transfer of energy from wave to a material, any disturbance that transfers energy; place to place, …

below the scapula, process to prevent occurrence of a disease or health problem, artificial part, tension present in resting muscles, above the spine, …

energy in motion, the ability to do work, the movement of matter against matter, energy that is stored and ready to do work, the use of force to move …

number of organisms that are dying in a population, number of births, having many offspring increases the chance that some of them will survive, …

osteomalacia in children, a band or sheet of fibrous connective tissue that covers, supports, and separates muscle, inflammation of a tendon, reduced …

a brain _ can happen if you drink or eat something that is cold, lobe that controls vision, lobe that controls voluntary movements, reasoning and …

an organ within the body that controls all processes within our body, lobe in brain that receives and processes sensory input such as touch, pressure, …

half illuminated, with light on right, light on right, increasing light, number of moon phases, each year, the moon moves _ , more than half …

_ acid is present in our body, an alkali is a type of _ , what has a ph of 7?, what color change could occur when hydrochloric acid is added to an …

bacteria that requires oxygen to grow, a two-part scientific naming system, a group of organisms that resemble one another that mate to create fertile …

controls all body functions of a human being, made up of glands that make hormones, supports the body and enables movement with the help of the …

allows for polymerization, contains one positive and one negative charge, very strong covalent bond, protein with more than one polypeptide chain, a …

inherited trait that helps an organism survive and reproduce in its environment, natural selection can act only on acquired _ , it occurs when all …

adapted to let nutrients through its wall, is ingested and a key part, quick release energy, smaller than the small one!, releases bile, releases the …

is a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce, the process of grouping things …

this type of root supports plants with wide, spreading roots, often found in tropical rainforests, roots that grow from stems or branches into soil to …

the tube connecting the mouth & nose to the lungs, bigger tubes that carry air in and out of the lungs, smaller tubes that carry air to the …

the smallest particle of an element that retains all the properties of that element, a chemical combination of two or more different elements, forms …

can be found in natural gas deposits, used in advertisement signs, chemical symbol is ar, found in earth's atmosphere and some meteorites, name …

bonding where valence e- are delocalized, sharing of 2 e- between 2 nonmentals, covalent molecule with uneven distribution of valence e-, elements …

a thermodynamic quantity equivalent to the total heat content of a system, the speed at which a chemical reaction takes place, defined as proportional …

vital plant process that converts carbon dioxide and water into chemical energy and takes place in the chloroplasts, reverse of photosynthesis. a …

device used to measure heat changes in chemical reactions, energy change at constant pressure; symbolized by δh, reaction that releases heat to the …