Science Crossword Puzzles

strand of dna or rna surrounded by a layer of protein that can infect and replicate in a host cell, long whiplike structure on bacteria, a mixture …

transfer of energy by electromagnetic waves, temperature scale scientists use, lowest temperature possible, equal to zero kelvins, circular motion …

a male reproductive structure of flowers, mass divided by volume, an organism made up of cells that have a nucleus enclosed by a membrane, a naturally …

_ potential energy is due to an object's shape, si unit that means the amount of energy needed to apply a force of 1 newton over a distance of 1 …

a push or pull on an object, the amount of force needed to move an object, when two forces acting on an object are equal and opposite, when an object …

the largest element in the fourth period, the largest element in the first period, the family of reactive nonmetals with seven valence electrons, all …

the amount of matter in an object, the change in velocity(speed, direction or both), a place or object, appears to be stationary, used for comparison …

_ system - organized network of nerve tissue in the body, _ system - glands and organs that make hormones and release them into the blood, _ system …

transfer of heat by physical contact, an organism that relies on external sources of heat to regulate its body temperature, regulate body temperature …

attraction between molecules of the same substance, negatively charged particle; located in the space around the nucleus, compound that produces …

a surface which reflects a clear image, an optical illusion caused by atmospheric conditions, object that is triangular with refracting surfaces that …

a measurement of temperature, a reaction that produces heat, an extremely small piece of something, another name for the molecules involved in a …

energy stored in bonds of chemicals, and might be released in reactions, e.g. food and batteries, wasted energy, spread out, good at preventing waste, …

when two parallel wires carry currents in opposite directions, their magnetic fields _ each other, the galvanometer is connected in series with a …

when data produces a straight line graph, when speed is increasing, when speed is decreasing, the rate of change of position, speed in a given …

takes place with any change of velocity, a length vector pointing to its starting point to its end point, how much a certain quantity changes, …

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 …

a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter, electromagnetic _ - all possible frequencies of …

[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 …

when two substances rearrange to make a new substance, no coefficient or subscript means _ atom or molecule, a change in this might signal a chemical …