Term | Definition |
matter | anything that has volume and mass |
volume | the amount of space taken up or occupied by an object |
meniscus | the curve that you see at a liquid's surface |
mass | the amount of matter that someting is made of |
cubic | having three dimensions |
physical property | a property of matter that can be observed or measured without changing the identity of the matter |
chemical property | a property of matter that describes a substance's ability to change into a new substance with different properties |
characteristic property | a property of matter for a substance that does not depend on the amount of that substance |
density | the amount of matter in a given space, or volume. Also mass per unit volume |
chemical change | when one or more substances are changed into entirely new substances with different properties |
physical change | a change that affects one or more physical properties of a substance |
flammability | a substance's ability to burn, or not burn |
reactivity | a substance's ability to react with another substance, or not react |
malleability | the ability to be pounded into thin sheets |
ductility | the ability to be pulled or drawn into a wire |
solubility | the ability to dissolve into another substance |
chemical reaction | when substances break apart or combine to form one or more new substances |
precipitate | a solid substance that forms in a solution |
chemical bond | a force that holds two atoms together in a molecule |
chemical formula | shows which elements and how many of them are found in a molecule of a substance |
subscript | a number that tells you how many atoms of an element are in a molecule |
chemical equation | uses chemical symbols and formulas as a short way to show what happens in a chemical reaction |
reatcants | the starting materials in a chemical reaction |
products | the substances that form during a chemical reaction |
Law of Conservation of Mass | a law that states that mass cannot be lost or gained during a chemical reaction |