Science Crossword Puzzles

drawing in of a breath, abnormally fast respiratory rate, paired major organs of respiration that contains bronchi and are divided into clearly …

a soft, silvery-white metal that is highly reactive and is often stored under oil to prevent it from reacting with air (9), a radioactive element that …

fundamental property of matter responsible for static electricity, negatively charged particles involved in static electricity, type of electricity …

the five different groups that include all living organisms, the kingdom of microorganisms that includes mushrooms, with cell wall and reproduce by …

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 …

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 …

hand bone, knee bone, finger & toe bones, large lower leg bone, lower arm bone on the thumb side, skull bone in back of head, hip bone, five …

energy due to motion, energy due to an object's position, a quantity that has only magnitude and no direction, like temperature or time, a …

the unit for force, how spread out the force is across an area, the force of gravity on an object, the upwards force of water, opposing forces of …

the particles in a _ are far apart and move quickly to spread out in the space, the particles in a solid are very close together and _ , when the …

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

lowest possible temperature; the temperature at which all molecular motion ceases, temperature scale in which the freezing point of water is 0 °c, …

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

anything that has mass, takes up space, and is made of particles, the state of matter in which the substance has both a definite volume and a definite …

can burn and cause cancer, atomic mass unit, an atom or group of atoms that has a positive or negative electric charge, a particle that has no …

a gas that can make balloons float or explode into a fiery mess, most wires are made of this metal, common radioactive element referred to in movies, …

having the same molecular formula but different structural formulas or connectivity of their atoms, substituents that are on opposite sides of the …

these are a group of single-celled organisms that are similar to bacteria but have distinct genetic and biochemical characteristics, these are a group …

energy is the _ to do work or cause a change in something, energy store of moving objects, energy stored in position, ‘energy can neither be _ nor …

first stage of hair growth during which new hair is produced, the hair shaft grows upward and detaches itself from the bulb, the final phase in the …

energy that gives us power, when there are more positive charges, magnets have a _ and south pole, when equal forces act on an object, sign for …

elaborate network of drainage vessels, phagocytize foreign substances and help activate t cells, produce plasma cells which secrete antibodies, …

muscle that helps your lungs pull in air and push it out, muscular tube through which food passes from the pharynx to the stomach, tiny air sacs in …

allows communication between the interior and the exterior of the cell. has a double lipid layer, contains dna, located within the nucleus. ribosomes …

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 …

it refers to methods, techniques, organization, and management, tools, equipment, machines, and materials, a group of people joined together for a …

substances that can't be broken down, tiny packets of electromagnetic radiation or energy, two or substances that have combined together …

a stable subatomic particle with a charge of negative electricity, found orbiting the nucleus of an atom, the name given to a horizontal row of the …

produces a hormone that regulates body's calcium and phosphorus, regulates circadian cycle, serves both digestive and endocrine systems, secretes …

(nh4)+, (no2)-, (no3)-, (so3)2-, (so4)2-, (hso4)-, (oh)-, (cn)-, (po4)3-, (hpo4)2-, (h2po4)-, (co3)2-, (hco3)-, (clo)-, (clo2)-, (clo3)-, (clo4)-, …