Science Crossword Puzzles

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 …

type of protein that associates with eukaryotic dna and structurally organizes chromosomes, process by which cells become specialized during …

(plant part) contains pollen sacs which produce pollen grains, (plant part) supports the anther, (plant part) place where the pollen grains land, …

male reproductive part of the plant, present in the air and are covered by a hard protective coat to bear low humidity and high-temperature …

first planet found by the telescope, the densest planet, earths only proper natural satellite, shortest day, named after the roman god of war, …

bone structure protecting the brain, thigh bone, the longest bone in the body, shinbone, located in the lower leg, smaller bone alongside the tibia, …

a step by step list of how to carry out the experiment, a trial where all the variables are held constant. a control is used as the standard of …

used to transport liquids by the drop, a thin flat piece of glass used to hold objects for examination on a microscope, protects your eyes in lab, …

a thick and sticky clump of dried blood that stops blood from flowing through a blood vessel, determined by the presence or absence of certain …

external, protective coating that protects the body systems from the outside elements, collection of similar cells that perform a particular function, …

nutrient molecules passed through the wall of your digestive system into your blood, the large intestine ends in a short tube called the _ , the …

friction is a _ that opposes the motion of objects, when two surfaces of two objects rub against each other, _ exists, friction always acts _ the …

industrial zone and their health, expansion of modern industrial enterprises has a significant _ on human health, radiological examinations in the …

substance that does the dissolving, substance that dissolves, a mixture of substances where one is dissolved into the other, has ability to dissolve, …

the layer of the eye that contains light-sensitive cells that capture images and send signals to the brain, also known as the uvea, it contains the …

when you suddenly grow taller during puberty, male body parts that get bigger and start making sperm during puberty, girls get this once a month once …

an object that has gravity so strong that even light can't escape it, a group of millions or billions of stars and planetary systems which are …

process in which plants use energy from sunlight to make food, biological process that converts nutrients (glucose) and oxygen into energy, carbon …

the non-living parts of an ecosystem like sunlight and water, an organism that can make its own food, usually through photosynthesis, the natural home …

electrons are found here, number of protons in a nucleus of an atom, positively charged ion, particle in an atom's nucleus with no charge, …

mass /volume, a method to find the volume of an irregularly shaped object, water has a density of.., smallest part of an element with properties of …

f (8), fe (4), na (6), ca (7), as (7), at (5), c (6), ne (4), pb (4), n (8), o (6), he (6), p (10), h (8), zn(4), be (9), k (9), hg (7), ni (6), ag …

a particle with a positive charge, an uncharged atomic particle, a particle that is found in all atoms, total numbers of neutrons and protons in a …

the process of turning from liquid into vapour, process of separation of liquid from solid and other immiscible (non-mixing) liquids, method of …

a material (such as wood, oil, or gas) that is burned to produce heat or energy, gases or other substances sent out into the air, often from factories …

primary products for gasoline blending, 40% to 50%, most hydrocracker processes, hydrogenation, types of molecules that easily convert to aromatics in …

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 …

consists of more than one substances, something that has mass and volume, the process that a gas turns into liquid, apparatus that is used to …

the substance being dissolved, the liquid in which the solute is dissolved in, the mixture formed when the solute dissolves in the solvent, when no …

organelle that digest, wastes, cell parts and foreign particles, an organism made up of cells that have a nucleus enclosed by a membrane, organelle …