Science Crossword Puzzles
The Structure of the Atom
atom: the smallest particle of an element that retains the properties of the element., cathode: _____ ray originating from the cathode and traveling to the …
Mendelian Genetics
haploid : a gamete that has 23 single chromosomes, meiosis : the division of the nucleus that produces either eggs in females or sperm in males, gametes : eggs …
Endocrine System
pituitary gland: regulates growth, blood pressure and water balance., testes: release male hormones., thymus gland: develops immune system in childhood., …
DNA and Protein Synthesis
doublehelix : the structure of the dna molecule?, guanine : it is paired with cytosine in double-stranded dna, adenine : it's complementary base pair is …
Scientific Measurement
meter : the standard unit of length, kilogram : the standard unit of mass, second : the standard unit of time, ampere : the standard unit of electric current, …
Chemical vs Physical Changes
proportional : extensive property is directly ______ to the amount of matter, nonmetals : elements that don't conduct well, physical : change in which no …
Cell Division
interphase : stage one of the cell cycle where the cell is growing, replicating dna, and preparing to divide, grows : during interphase, a cell _______ to its …
Periodic Table and Chemical Reactions
properties : periodic functions of their atomic number. , nucleus : the outside of the atom., mass : number of neutrons., alkaline metals : so reactive that …
Enzymes and Biochemical Reactions
activation energy: the amount of energy needed, catalysts: speed up reactions, denaturation: enzyme's active site gets deformed and loses its specific …
Plant and Animal Cell
nucleus: responsible for growth and reproduction of cells (suelcnu), plasma membrane: controls the passage of substances in and out of the cell (maplas …
Cell Structures
eukaryotic : cell with a nucleus and other organelles, flagella : tail-like structure used for movement; found in animal cells and many bacteria, chloroplasts : …
Nuclear Physics
atom : smallest particle of an element, transmutation : the conversion of one element into another , isotopes : elements with the same number of protons but …