Science Crossword Puzzles

the _ happened 13.7 billion years ago when time, space, matter, and energy began to exist, the universe as we know it today began as a hot, dense …

sweat glands, breaks down urea in sweat and causes odors, waterproofing protein, worst kind of burn, glands that produce oil, oil, skin cells, …

study of the very small, mass multiplied by velocity, the energy dependent on the object's position, the energy that includes both potential and …

gas to solid, liquid to gas, solid to gas, liquid to solid, a substance that flows freely, gas to liquid, solid to liquid, a firm and stable …

a part of a plant that develops into a leaf or a flower, one of the usually brightly coloured leaf-like parts of a flower, the part of a plant that …

if you eat too much, it hurts, if you lie, it grows like pinocchio's, you carry a schoolbag on them, you put a scarf around it, girls make a …

sucrose heated past the molten point so that it dehydrates and decomposes, bond formed by the condensation of the amino group of one amino acid with …

each of two or more forms of the same element that has equal numbers of protons but different numbers of neutrons are called this, ionic compounds …

when warm air moves over cold air, force pushing on an area or surface, when warm air and cold air are pushing on each other, an instrument that is …

a circular object that revolves on an axle and is fixed below a vehicle or other object to enable it to move easily over the ground, land transporter …

able to dissolve, element we breathe in to survive, process where particles septa and spread evenly throughout mixture, state of matter where …

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

object is furthest from the sun, a cloud of dust and gas, a large collection of stars, gas, and dust that is held together by gravity, the inward …

the resemblance of one species to another for protection or deception, often seen in insects and snakes, an animal lacking a backbone, such as …

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 …

study about matter and energy, the study of living organisms, study about prehistoric life on earth, study about earth, study of living organisms, the …

microbodies are a diverse group organelles that are found in the cytoplasm, roughly spherical and bound by a single membrane, is the distribution and …

the process of removing impurities from something to make it clean, particles settling out of a liquid due to gravity, forming sediment, adding …

the basic unit of a chemical element, a substance that cannot be decomposed into simpler substances by chemical means, a substance formed when two or …

2 substances together, a compound breaks down into two elements, _ displacement is when two elements swap places, 5 types that are different depending …

mixture in which one substance consisting of microscopically dispersed insoluble particles is suspended throughout another substance, tightly packed …

a star located at the end of the handle of the little dipper, in the constellation ursa minor, northern hemisphere is tilted toward sun, one of the …

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 …

a region of an atom that contains electrons. it's also known as an energy level, the total number of protons and neutrons in an atom, a subatomic …

acyl chlorides react with this molecule to make amides, this is the name of the acid that forms as a biproduct of all reactions of acyl chloride, this …

undeveloped shoot, where the petiole base attaches to the stem, stalk that holds the leaf away from the stem, flattened green surface for absorbing …

1 atm pressure, liquid water always changes to gaseous water at 100 degrees celsius, a measure of the random motions of the components of a substance, …

breakdown of large, organic molecules into smaller, protein that function as biological catalyst, part of the enzyme that allows it to act as …

used when working with substances that might get into your eyes or when sawing or cutting, what you should do with long hair, what you should do with …

the transfer of heat through liquid or gases by molecular motion, anything that has mass and takes up space, copper, silver and iron are the example …