Science Crossword Puzzles

a molecule that catalyzes a chemical reaction, the gene that only shows if there are two of them, ribonucleic acid, term for the two letters that …

the basic unit of life is the _ , _ are the structures within cells that perform specific functions, the process by which plants make their own food …

what is the process by which water is lost from plants through stomata?, what are the tiny openings on the underside of leaves called?, which cells …

tissue that carries water and minerals from roots upward, tissue that transports sugars from leaves to other parts, the evaporation of water through …

group of individuals of the same species that live in the same area, bacteria and fungi that break down materials, any living part of the environment …

generally refers to a limb which has lost its blood supply and been attacked by bacteris, if this condition continues, other alterations take place …

a gland in the mouth that produces saliva to help break down food, the part of the digestive system that absorbs water and forms solid waste, the …

the _ is the primary source of scatter radiation, "radiation burn", controls the black and white, _ is a object that has been in contact …

energy that is transferred from one body to another as the result of a difference in temperature, degree of hotness or coldness of an object, heat …

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

negative subatomic particle in an atom, positive subatomic particle in an atom, p _ , neutral (no charge) sub atomic particle in an atom, n _ , when a …

_ 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 …

separation of two or more substances of different boiling points, the process of separating heavy solid substances in water, the technique which is …

[ar]4s2 3d10 4p3, 1s2 2s2 2p6 3s2 3p6 4s1, 1s2 2s1, 1s2 2s2 2p1, [ne]3s2 3p2, [ar]4s2, challenge level: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 …

how quickly a substance is dissolved, separation of charge throughout a molecule due to differences in electronegativity between atoms in the …

type of bond where electrons are shared, atomic number of 5 with 3 valence electrons, atomic number of 17 with seven valence electrons, same number of …

iron ore, ore of aluminum, the place for extracting iron, a barrier method in protecting iron from rusting, can be hammered into sheets, can be pulled …

is in ferrous metal, ferrous metal can be, ferrous comes from the latino word, where dose iron comes from, what is iron and carbon known as, what dose …

conducts heat, characteristic of metal, can be bent and pounded into shape, usually dull in appearance, non-metal we need to breathe, period table …

two elements join together, 5 types that are different depending on the situation, able to reduce in liquid, _ displacement is when two elements swap …

organic compound with single bonds of carbons, organic compound with double bonds of carbon, alkene with one carbon, alkane with one carbon, alkene …

a physical combination of two or more substances that retain their properties and can be separated, the force that holds atoms together in a molecule …

combination of two substances, anti-pollution masks are based on this separation method, ability of a substance to dissolve in a liquid, time off that …

contains hundreds of undeveloped egg cells. every month an egg cell matures and is released, where the baby develops, produces sperm and releases the …

an enzyme that breaks down starch into sugars, an enzyme that breaks down proteins into amino acids, an enzyme that helps break down fats into fatty …

the largest ocean, having to do with the sea, an animal that eats animals for its food, the prey of polar bears, an instrument with powerful lenses …

regulatory mechanism in export and import, keeping out, any organism that benefits the growing process, feeding on plants, feeding on insects, defense …

these types of elements are made in high mass stars that require more energy, higher temperatures, and during a explosion of a supernova, all space, …

shoot of a plant, part of the pistil, female organ in a flower, to make new offspring in plants, female reproductive organ, colored segments of a …

rate at which something is moving, speed in a direction, change in velocity to time when an object is increasing, time it takes to react to a …