Science Crossword Puzzles

which precious metal is used in printed circuit boards?, what speeds up the rate of a reaction?, which metals are found in the central block in the …

hydrocarbon containing 1 double bond, formula r-cho, a chemical reaction where energy is released, faster reaction, _ ea, measure of a molecule's …

a saturated hydrocarbon with a general formula cnh2n, a group of similar compounds sharing a common general formula, the fourth alkane, the third …

these are used to show the charges of transition metals in an ionic bond, the rule that says atoms want to have a full outer shell, typically …

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 …

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 …

the changing from vapor state to a liquid state, when a substance is cooled, the mass per unit volume of an object, the changing from liquid to a …

containing carbon atoms joined together in a ring that is not aromatic, an organic compound containing a benzene ring, movement of pair of electrons, …

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 …

_ are shown to the right of the arrow, what does the arrow mean in a chemical equation?, _ are shown on the left of the arrow, a tool used to …

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 …

a naturally occurring rock that contains metal, the structure used to extract iron from its ore, the process used to extract more reactive metals like …

a negatively charged subatomic particle occupying orbitals, a region of space that can hold a maximum of two electrons, a species containing one or …

meaning of ph, when acid reacts to base and produce salt and water, has a ph level of 7, an indicator that is colorless and turns to pink when …

this is a number that indicates the ability of an atom to attract electrons from another atom., this is the positive subatomic particle, this is the …

the change of state from solid to liquid, the state of matter where particles move fastest, the state of mater where the particles are fixed in …

the mass in grams of one mole of any pure substance, a statement using chemical formulas to describe the identities and relative amounts of the …

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 …

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 …