Science Crossword Puzzles

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

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 …

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 …

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)-, …

they are in the middle, they are shiny, conductors, and malleable, they are on the right, dull, not conductors, and brittle, the most basic component …

a substance that contains one kind of atom and cannot be broken down into a simpler form, a substance made of two or more elements chemically combined …

a mutated gene that stimulates uncontrollable cell division, a region of dna where rna polymerase binds, how cells control gene activity without …

uptake of nutrients and water from digested food into blood, teeth that cut food with sharp edges, biting or nibbling, produces digestive enzymes and …

this is the process of using rna to synthesize protein, gametes are considered these types of cells, functional unit of heredity, during the cell …

what is the muscle action that features consistent tension across the muscle while the length changes?, what muscle movement lengthens the muscle?, …

solid to gas, highest temperature in pressure where a pure substance can exist at a vapor/liquid equilibrium, a measure of a sample's average …

made in a chemical reaction, can produce new compounds, more than one element joined together, table with all the elements on it, only one type of …

the maximum distance the medium vibrates from the rest position, the distance between two parts of a wave, when a wave bends due to a change in speed, …

a state of matter that holds its shape and a definite volume due to the attraction of molecules overcoming freedom of motion. the molecules move in …

nerve cells at the base of the cerebrum which help smooth out movement of the body, coordinates automatic functions like sleep, temperature, and water …

a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass, one who studies the night sky …

surface resistance to relative motion, as of a body sliding or rolling, the force of attraction by which terrestrial bodies tend to fall toward the …

estimating the age of rocks or fossils in (millions of) years, process by which a species becomes fitted to its environment through natural selection, …

mucous plug, a pregnancy that has reached 20 weeks but ends before 37 weeks, capacity to live outside the uterus, softening of the cervical tip …

inborn ingerited or species immunity, level of antibodies in the blood, classic symptoms are redness heat swelling pain, describes the wbcs …

a machine made from two sets of pulleys, an oval or offset wheel designed as a mechanism to convert rotation into oscillation, the force applied to …

a substance that changes color when it comes into contact with an acid, base or neutral substance, method of separation whereby a liquid is separated …

a slipper shaped protozoan that uses cilia to move and to collect food is the _ , unicellular yeast cells undergo a form of asexual reproduction …

not all bacteria are bad. most are very _ to us, this organelle contains the instructions for the bacteria cell and controls its activities, these …

one celled animal organisms found in decayed materials and contaminated water, plantlike organisms that live on dead organic matter, germ or disease …

used to hold, mix, or heat small quantities of solid or liquid chemicals, a flat-bottomed laboratory flask that tapers upward to a straight neck, a …