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Chemistry Crosswords

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Title Instructions / Description Sample Puzzle Hints Difficulty
Acids and Bases the name of HCl: ____________ ____. the unit used to measure the concentration of a solution: ____ ___ _____. the amount of atom, ions or molecules contained in a volume of solution. a solution with a pH higher than 7 is _______. the name of NaOH: ___________ ___________. Older Children
Periodic Table all animals breathe this gas out when they exhale. A particle that contains 2 or more atoms is called a m_______ . All elements are found in the ________ table. The smallest building block of matter. All elements in the periodic table are represented by a letter or two called chemical ________. Older Children
Chemistry of Life Apologia Biology Module 2 (Part 1) A chemical bond formed when one or more electrons are transferred from one atom to another. Chemical bond formed by the sharing of electrons between 2 or more atoms. A weak electrical attraction between a partially + hydrogen atom & a partially - atom of another molecule. Subatomic particles that have a negative charge. A molecule that contains atoms of at least two different elements. Hard
Chemistry A small negatively charged particle. A reaction where oxygen reacts with something to produce heat. A reaction that creates a heat. When there are more particles in a solution. When two reactants combine to form one. Hard
Acids and Bases when with an acid it will turn red when with a base it's blue. a substance that can accept a hydrogen ion, feels slippery. a very important principle with reverse reaction. a strong type of acid with a word meaning water energy in it. a substance that can donate a hydrogen ion, tastes bitter. Big
Chemistry All states of matter consist of ___________. The process where a gas turns into a solid. The process where solid turns into gas. Mass divided by Volume. The process where a liquid turns into a solid. Older Children
Chemistry The process where a gas turns into a solid. The process where a solid turns into a gas. A particle that contains 2 or more atoms is called a m_______ . All atoms types can be found in the periodic table and are called e_______. The process where a liquid turns into a solid. Big
Science The transition from liquid to gas. minute portion of matter. Motion of liquid or gas. to press or squeeze particles together. The transition from gas to liquid. Older Children
Chemistry Type of Liquid crystal meaning soap. Molecules in LC with a chiral cntre. Anisotropic fluids. Device operating on photovoltaics. Hydrogen atoms on either side of C=C bond. Hard
Fluids Do the crossword. the process by which a liquid is rapidly converted into a gas. a variable that is held constant during an experiment. when a gas goes directly to a solid without the liquid state. the amount of a substance dissolved in another substance, usually water. the change of state in which a solid is transformed directly into a gas without going through the liquid state. Very Difficult
Chemical Engineering An important skill for chemical engineers to have in order to design new technology. The things chemical engineers make and work with. Stands for Fundamentals of Engineering Exam. When a chemical engineer examines parts he has made. Has to do with making new, modern technology (*Blank* that excites). Big
Chemistry Examples are solids, liquids, or gases.. It has a neutral charge.. The measure of how much. The basic building block of all matter.. The resistance from being scratched, dented, etc.. Older Children
Types of Chemical Reaction Circle the vocabulary word below When the reaction occurs in a liquid solution, the solid formed is called the 'precipitate'. . the chemical equation that shows the chemical reaction needs to be balanced.. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.. a substance that takes part in and undergoes change during a reaction.. a substance that is formed as the result of a chemical reaction. . Big
Solid, Liquid, Gas the state of water in which it is an invisible gas. particular kind of material. changes states from a gas to a liquid, mainly due to the temperature getting cooler. a change in the size, shape, or color of a substance that does not change it into a different substance. anything that takes up space and has weight. Older Children
Chemistry of Life: Part 1 _______ are a type of lipid which can act as hormones in the body (through hormone synthesis) and that make up cell membranes.. _______ make up the lipid bilayer of all cell membranes; generally consist of two hydrophobic fatty acid 'tails' and a hydrophilic 'head' containing a phosphate group.. _______ carbohydrates store energy.. _______ acid (DNA) helps code and carry hereditary information.. _______ are simply proteins with a sugar atteched to them and are similar to functional proteins.. Hard
Chemistry in Cubes an important class of liquid crystal which form when the solid is heated . the process in which molecules make the transition from vapor to solid directly. the said reason for the drastic decrease in Napoleon' army and for his defeat; the term used to call the random growth of the microcrystals of gray tin, which has a tetragonal structure, that weakens the metal and makes it crumble. a measure of a fluid's resistance to flow. the intermolecular attraction between like molecules . Hard
Solids, Liquids and Gases This is a very dangerous type of gas.. This is what we see in the winter.. This is the last step in the water cycle.. This is what we breath out.. A type of gas that we need to live.. Older Children
Chemical Reactions Type of reaction in which an element or compound reacts with oxygen. representation of a chemical reaction. one element replaces a second element in a compound. 2HgO= 2Hg+O2 is an example of this type of reaction. AgNO3+NaCl=AgCl+NaNO3 is an example of this type of reaction. Big
Chemistry Of or relating to a body having fewer electrons than protons. is a separation technique that is used to separate. a solid that has dissolved in a liquid and made a solution. each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei. horizontal row of the periodic table.. all the material to be transfered from one place to another must make the trip. Hard
Chemistry of Life a slight attraction that develops between the oppositevely charged regions of near by molecules. attraction between molecules of different substances. a bond formed when one or more electrons are transferred from one atom to another. atom of an element that has a number of neutrons different from that of the otheratoms of the same element. attraction between molecules of the same substance . Hard
Chemistry Phase of matter with no fixed shape and can be poured. When particles are pressed together. Substance. Phase of matter with no fixed shape and particles spread out. A characteristic that describes something. Older Children
Chemistry a general process in which molecules separate or split into smaller particles such as atoms usually in a reversible manner.. is a substance that undergoes a distinct observable change when conditions in its solution change. is a measure of the concentration of a solute in a solution in terms of amount of substance in a specified amount of mass of the solvent. . the ion H3O+, consisting of a protonated water molecule and present in all aqueous acids.. beyond saturation. Older Children
Uses of Elements is the most abundant component of atmosphere.. used as semiconductor.. is extremely important in allowing us to digest our food properly and to absorb the many other elements that we need to survive.. is the most abundant element on Earth.. used in manufacturing cans, foils, and kitchen utensils, pipes, window frames.. Hard
Organic Chemistry what is the region on IR called that does not differ drastically between compounds?. what form of substituents does SN2 prefer?. which method of identification only focuses on functional groups?. what is the method of identification used to tell the difference between diastereomers?. another name for a SN1 reaction is?. 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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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