Science Crossword Puzzles

all of the nonliving parts of an ecosystem, any individual living thing, the transfer of energy from one organism to another through a food chain or …

the first part of the small intestine, one of its main tasks is to neutralise stomach acids passing into the intestines, as well as making bile, this …

a chair has four of these. you have two, people often get these pierced, you have 32 of these and you use them to eat, you use this part of the body …

binary _ _ _ _ _ _ _ , in meiosis the number of chromosomes are _ _ _ _ _ _ _ by half, sexual reproduction occurs in a _ _ _ _ _ , phase of mitosis …

this happens to the surface of an alkali metal when it reacts with oxygen, this gas is produced when an alkali metal reacts with water, sodium _ into …

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 …

the concentration of water vapour in the air (8 letters), the process of breaking down food to release energy in plants and animals (11 letters), 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 …

what theory did he develop?, whose house did he threaten to burn down?, what type of math did he develop?, who said he was the smartest person to ever …

evaporation of water from the surface of a leaf, the movement of water from an area of high to low water concentration through a semi-permeable …

process of transporting sugars and other organic compounds in the phloem, organ where photosynthesis primarily occurs, plant organ or tissue that …

immovable joints (pl.), slightly movable joints (pl.), freely movable joints (pl.), "bone-makers" (pl.), "bone-breakers" (pl.), …

the kind of birds that darwin noticed on the galapagos islands, blend in with surroundings, any variation that makes an organism better suited to its …

the innermost planet, mercury is the smallest planet, mercury doesn't have any, how many earth days is one year on mercury, mercury has no-, …

describes materials that allows some light to pass through, but not all, bending of light, describes materials that do not let any light pass through …

elements found on the left-hand side of the staircase, elements found on the right-hand side of the staircase, the name given to the group 7 elements, …

total number of protons and neutrons, a uncharged particle in an atom, an ion of the element with 16 protons, the electrons on the outermost energy …

a mixture that does not appear to be the same throughout, a mixture that appears to be the same throughout, uses the physical property of size to …

used to measure mass of an object, used to grab hot beakers, test tubes, and other equipment, measures precise liquid (2 words), protects your eyes (2 …

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 …

distinct forms or conditions in which matter can exist, something that is firm and stable in shape, transition of a substance directly from the solid …

a region of space having a gravitational field so intense that no matter or radiation can escape, the displacement of spectral lines toward longer …

functional unit of the kidney responsible for urine formation, the process of removing waste and excess substances from the blood in the glomerulus, …

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, …

can cause cancer, lung damage, and immune system failure, this chemical takes years to leave the body, chemical that is a major part of gasoline, …

allows the neuron to conduct electrical impulses down to another neuron, or any type of cell by the release of signals into the synapse, protect the …

organelle highly present in b cells to produce antibodies, fluid in which pathogens are carried to lymphocytes, the site at which somatic …

part of a wave, turning back of a soundwave, speed of sound in a medium depends on this, sound need this to travel, produced when particles vibrate …

type of cells between seminiferous tubes that make testosterone, protective outside membrane of the sperm that gets into the egg, type of cell that …

a procedure to look inside the stomach using a scope, inflammation of the colon, inflammation of the stomach lining, examination of the larynx using a …