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Chemistry Crosswords

To view or print a Chemistry crossword puzzle click on its title.

Title Instructions / Description Sample Puzzle Hints Difficulty
Acids And Bases Acid that gives vinegar its characteristic taste.. A chemical acid that doesn't fully ionize.. 0 on the pH scale.. Small compounds. A substance that flows.. Hard
Acids and Bases acid found in sodas. type of acid that are only partially ionised. a natural type of indicator found at home. another product in a neutralisation reaction. pH of pure water. Hard
Acids and Bases _______ acids do not ionize completely. conducts an electric current. can reversible change color. precipitation has a pH less than 5.0. reaction between an acid and a base. Older Children
Carbon Chemistry of, relating to, or denoting compounds that are not organic (broadly, compounds not containing carbon). ester of glycerol and three fatty acids; general term for fats and oils. (of an organic compound, esp. a fat or oil molecule) containing several double or triple bonds between carbon atoms.. hydrocarbon molecule with only single bonds. of, relating to, or derived from living matter. Hard
Changes in Matter matter with a defined volume but no defined shape. a chemical reaction that absorbs heat energy from surroundings. a chemical reaction that gives off heat energy. a change in matter that does not affect its chemical composition. a process that changes substances into new substances. Big
Chemıcal Elements and Water an Important constituent of bones . does not contain carbon. one of the most frequently occuring elements in living things. contains carbon. A component of two animo acids. Older Children
Chemical Interactions property characteristic of a substance4 that determines how it interacts with othe substances.. Table salt. A type of matter defined by a unique particle.. CO2. A substance that dissolves on a solvent to for a solution. Big
Chemical Reactions reaction of a nonmetal oxide and water produces this. a reaction of an element with oxygen will form this of the element. carbon compound reacts with oxygen producing large amounts of energy, water, and carbon dioxide. forms a metal oxide and carbon dioxide. reaction of a metal oxide and water produces a. Big
Chemistry changes by rearrangement of atoms to make new substances. Group 17 elements of the Periodic Table. characteristics of matter. Row of the Periodic Table that go left to right. part of an atom that has no charge but has mass. Hard
Chemistry Consists of only one type of partical.. form a liquid from a solid as a result of heat. State of matter that changes shape according to the shape of its container but has a fixed volume. . Type of mixture you can only see one part. The smallest partical of matter that cannot be divided . Hard
Chemistry The aldol condensation mechanism includes an example of this type of attack.. This causes light to rotate.. Theory that explains how coordination complexes form.. This equation describes the pressure-volume relationship in the adiabatic expansion of a gas.. Simplest form of the Schroedinger equation.. Hard
Chemistry In the mantle causes the plates to move. The theory of Alfred Wegner. Solution used to purify copper. Used to make fertilisers. A type of rock that is formed by the deposition of material . Hard
Chemistry Any process which chemically breaks down or degrades metal. A chemical reaction in which a carbon containing compound reacts with oxygen to produce water, carbon dioxide, light, and heat. The corrosion of iron. A chemical reaction which absorbs heat. A type of reaction during which an acid and a base produce a salt compound and water. Hard
Chemistry Horizontal rows of the periodic table. Matter that has an indefinite shape. Matter that has uniform composition. The process that separates a solid from a liquid in a heterogeneous mixture. Properties of a material change, but the composition does not. Hard
Chemistry Part of an atom where electrons are found. Particle in an atom with no charge. Bond formed when atoms share electrons. Bond formed when atoms gain or lose electrons. Unit of matter. Big
Chemistry of Life the attractive force between two bodies of different substances that are in contact with each other. the force that holds molecules of a single material together. a fat molecule or a molecule that has similar properties; examples include oils, waxes, and steroids. a molecule, either protein or RNA, that acts as a catalyst in biochemical reactions. the minimum amount of energy required to start a chemical reaction. Hard
Chemistry Science a substance that is a fluid and it is melted. mass and bulk. gases liquids solids. when a new chemical is made by a rearrangement . a substance. Older Children
Element Finder used to make drinking water safe and to treat swimming pools. its used in naval ships, aircraft, automobiles and sporting goods. used mainly in electrical applications, cut diamonds and make filaments for incandescent light bulbs. what do you breathe every day?. used in everyday using, like pencils, and to line tanks that store corrosive liquids. Older Children
Elements This element’s name comes from the German words for “white mass” . This element can absorb up to 900 times its own volume of hydrogen. All atoms of this element contain 60 protons. All atoms of this element contain 20 protons. This element is a primary component of emeralds. Big
Elements strengthens bones. is the most electropositive element. is almost completely immune to chemical attacks at temperatures under 150 degrees. was named after one of the most influential scientists of the 20th century. spontaneously combusts in air when cut into fine pieces. Hard
Food Chemistry Compounds that have 4 rings fused together. It indicates the presence of free fatty acid. It has more than 16 carbon atoms. It is used as emulsifiers in certain food. It has a nutty flavour. Hard
Hair Color The amount of moisture the hair can absorb. The middle layer of the hair shaft. Coarse, medium and fine. 20 volume developer will lift and___ hair color. Black or Brown pigments. Hard
Heat and Temperature The point at which the motion of particles in a substance stops. A material that reduces the transfer of heat. The temperature at which water boils on the Fahrenheit scale. The temperature scale used in science laboratories. The temperature scale used in the United States. Hard
Introduction to Organic Chemistry A component of natural gas.. __________ refers to the occurrence of two or more compounds having the same molecular formula.. __________ can be a biological or chemical term.. A _________ carbon is a atom which is bonded to four different groups.. Occur in a non-polar involving two atoms of similar electronegativity.. Older Children
Matter Matter is made of ______ and molecules.. The attraction in a ________ state between molecules are close but not in a fixed position.. Solid, Liquid, Gas. When steam disappears it is called _______. A ________ is made of two or more atoms connected together. . Older Children
Matter type of mixture that is uniform in properties and composition throughout. contain hydrogen which is replaceable by a metal. sharing of electrons between non-metals. formed by a transfer of electrons between a metal or non metal atoms. substance composed of two or more elements or compounds which are not chemically combine. Hard
Matter and Change one or two letter reprensentation of an element. each horizontal row of the periodic table. has indefinite shape, flows and has a fixed volume. matter that has uniform and definite composition. properties of the material change but composition doesn't. Hard
Nuclear Chemistry malfunctions in the offspring of an organism due to exposure to radiation. radioactive nuclides that can be introduced into organisms whose pathways can be traced by monitoring their radioactivity. combining two light nuclei to form a heavier, more stable nucleus. devices used to give particles very high speeds. a process in the atom where one of the inner-orbital electrons is captured by the nucleus. Hard
Nuclear Chemistry An element with an atomic number of 93 or greater in the periodic table that is produced in the laboratory by induced transmutation. The process of binding smaller atomic nuclei into a single larger and more stable nucleus. A radioactive decay process that occurs when an atom's nucleus draws in a surrounding electron, which combines with a proton to form a neutron, resulting in an x-ray photon being emitted. A high-speed electron with a 1- charge that is emitted during radioactive decay. The positively charged protons and neutral neutrons contained in an atom's densely packed nucleus. Hard
Organic Chemistry Simplest organic compound composed only of the elements carbon and hydrogen. A property of a compound to exist in both left and right forms. Describes a series of compounds that differ from one another by a repeating unit. International Union of Pure and Applied Chemistry. All compounds that contain carbon. Hard
Particles when the particles are loosely packed together it is a ________. when a solid turns into a liquid it ____________. when a liquid turns into a gas it ________. the particles are pulled together by the _______. when a gas turns into a liquid it __________. Older Children
Periodic Table of Elements Read all the definitions,and answer all questions to the corresponding box. The chemical element of atomic number 20, a soft gray metal.. A colorless, odorless unreactive gas that forms about 78 percent of the earth's atmosphere.. The chemical element of atomic number 17.Think of swimming pools.. The chemical element of atomic number 27, a hard silvery-white magnetic metal.. A colorless, odorless, highly flammable gas.. Big
Properties of Mixtures compound made up Na + Cl. a mixture of two liquids that don't disslove. particles are larger than in a solution but do not settle out. a single substance breaks up, forming two or more different substances. compound made up of 2 molecules of hydrogen & 1 molecule of oxygen. Hard
Quick Chemistry The element with an atomic mass of 18.998. The element with the atomic number 7. Safety wear during experiments. When matter melts it turns from solid to ........ The strong bond between two non-metals. Hard
Rates of Chemical Change A type of calorimeter which allows chemists to determine energy changes under conditions of constant volume.. It is a biological catalysts that are enormous protein molecules.. A reaction that absorbs energy. For this type of reaction, the energy absorbed is greater than the energy released.. The study of energy and energy tranfer is refer to _________________. . The enthalpy of formation of an element in its standard state is __________. . Hard
Special Mixtures evaporation. when a solution appears the same throughout. when a solid disappears into a liquid it .... the substance that disappears in a liquid. condensation. Older Children
States of Matter going from a gas to a solid. a material with a fixed volume but not a fixed shape. going from a solid to a liquid. going from a solid to a gas. going from a gas to a liquid. Big
The Chemistry of Paint Substance used to make solution 1 for making white paint. A liquid, liquefiable, or mastic composition. A _______ is a material that changes the color of reflected or transmitted light as the result of wavelength-selective absorption.. A dangerous type of paint that has been banned. The study of the measurement, properties, and relationships of quantities and sets, using numbers and symbols. Hard
The Elements This element's name comes from the Greek word meaning 'inactive'. All atoms of this element contain 91 protons. This element was named after a university in the United States. This element's chemical symbol is Yb. This element was named for a Russian Research Laboratory. Hard
The States of Matter something which has no fixed shape but has a fixed volume. something that powers a circuit. a property of metal. the process of a liquid turning into a gas.. the process of a gas turning into a liquid. Older Children
Thermochemistry Complete the puzzle below absorbs heat from the surroundings. used to measure heat flow in a reaction. the energy stored in chemical bonds of a substance. the part of the universe on which you focus your attention. releases heat to its surroundings. Hard
Things You'll Find Around the Lab A few handy items you will find in a laboratory a dish that you can grow samples in. use this to heat up liquids. use this on top of a Bunsen burner. use these to protect your eyes in science. use this to store liquid. Older Children
Three States of Matter Has a definite volume but takes the shape of its container. Solid, liquid and gas. A property of matter. Takes the shape and volume of its container. The amount of space taken up by an object. Older Children
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