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Science Unit 4 Vocab
Vocabulary from Unit 4 of Indiana Grade 8 Interactive Science.
Has a definite volume and definite shape
Has a definite volume and indefinite shape
Has an indefinite volume and indefinite shape
A change that alters the form or appearance of a material but does not make the material into another substance
A change in which one or more substances combine or break apart to form new substances
Changing from a solid to a liquid
A substance that enters into a chemical reaction
A substance formed as a result of a chemical reaction
A solid that forms from a solution during a chemical reaction
A reaction that releases energy, usually in the form of heat
A reaction that absorbs energy
Changing from a liquid to a solid
Anything that has mass and takes up space
Something that sparks or accelerates a chemical reaction
A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
A short, easy way to show a chemical reaction, using symbols
A reaction where a new substance is formed or a substance is broken down into others
Changing from a gas to a liquid
Changing from a liquid to a gas
A chemical reaction in which two or more simple substances combine to form a new, more complex substance
A chemical reaction that breaks down compounds into simpler products
A chemical reaction in which one element replaces another in a compound or when two elements in different compounds trade places
Conservation of Mass
The principle that the total amount of matter is neither created nor destroyed during any chemical or physical change.