Science Crossword Puzzles

a hydrocarbon whose molecules contains at least one carbon– carbon double bond (11), hydrocarbons with similar boiling points separated from crude …

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 reaction that absorbs energy from the surroundings, theory that for a reaction to occur, particles must collide with sufficient energy, a chemical …

_ acid is present in our body, an alkali is a type of _ , what has a ph of 7?, what color change could occur when hydrochloric acid is added to an …

can burn and cause cancer, atomic mass unit, an atom or group of atoms that has a positive or negative electric charge, a particle that has no …

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 …

to use a paper and funnel to separate a solid from a liquid, when a liquid turns into a gas, a liquid with tiny solid particle hanging in it, a very …

this is a material made by mixing a metal with other things, the chemical called lime is made from calcium ..................., when we heat a …

a german chemist who developed the (4n+2) pi electron rule, needed to catalyse the chlorination of benzene, a benzene ring that only contains an nh2 …

distinct forms or conditions in which matter can exist, something that is firm and stable in shape, transition of a substance directly from the solid …

a combination of substances not chemically bonded, a mixture where parts are visibly different, a mixture that scatters light but looks uniform, a …

it is the lightest and most abundant element in the universe, typically found as a gas. it is commonly used in fuel cells and plays a key role in …

an indicator, shows whether a substance is acidic, alkaline, or neutral, a solution with a ph value less than 7, changes colour to show the ph of a …

_ is the type of matter that makes up the object, is the ability to burn _ , an element/mineral _ , is the ability of two or more substances to …

molecules that control and regulate the cell cycle, cancerous cells can develop into large masses called--, the process of dividing the nucleus, …

a state where the forward and backward reaction rates are equal, increasing the number of collisions between molecules would _ the rate of the …

what is the name for an ultrasound of the heart?, what is the ability to see fine detail in an image?, what is the amplification applied to the …

the internal diameter or bore of a gun barrel, laboratory tests conducted on blood, saliva, or other bodily fluids to detect the presence of specific …

substances that can't be broken down, tiny packets of electromagnetic radiation or energy, two or substances that have combined together …

substances that can't be broken down, a force that causes a bird to rise in the air against each other, a stream of electrical charges, a …

stem, roots and _ are parts of a plant, the leaf _ is usually the largest part of the plant, leaves obtain a green substance called _ that absorb …

a slipper shaped protozoan that uses cilia to move and to collect food is the _ , unicellular yeast cells undergo a form of asexual reproduction …

enzyme that carboxylates acetyl-coa in fatty acid synthesis, multi-enzyme complex responsible for fatty acid synthesis, protein to which growing fatty …

pulmonary air passage that is usually 1 mm or less in diameter and lacks cartilage, separates the nasal cavity from the oral cavity, measurement of …

only one kind of atom, a molecule made of two or more elements, combination of two or more substances that do not form chemical bonds, a group of …

the study of motion, the study of how things move, a coordinate system used to describe the motion of an object, a portion of a larger motion that we …

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, …

the boiling point of a given liquid varies with _ , the force a rotating object exerts outward away from the center of rotation, the measure of the …

a small packet of light, which is both a wave and a particle, the strange phenomenon where two particles can be connected in such a way that the state …

combination of two substances, anti-pollution masks are based on this separation method, ability of a substance to dissolve in a liquid, time off that …