Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
|
definite
|
known, sure
|
|
|
indefinite
|
not sure, uknown
|
|
|
states of matter
|
various forms of matter that take various shapes; physical forms of matter
|
|
|
quantity
|
something that is measure; has magnitude, size or amount
|
|
|
unit
|
quantity label adopted as a standard of measurement; describes the quantity
|
|
|
chemical/ pure substance
|
any substance that has a defined composition
|
|
|
conversion factor
|
converts one unit into another unit by equvalency
|
|
|
chemical change/ reaction
|
process by which one or more substances change to produce one or more different substances
|
|
|
vibration
|
shakes -- solid
|
|
|
expand
|
moves in all directions
|
|
|
liquid/flow
|
slides past each other
|
|
|
mass
|
measure of the amount of matter in an object
|
|
|
matter
|
anything that has mass and takes up space
|
|
|
volume
|
measure of the size of body or region in 3-D space
|
|
|
composition
|
what something is made of
|
|
|
mixture
|
combination of 2 or more substances that are NOt chemically bonded
|
|
|
physical property
|
characteristic of a substance, but does NOT change its identity
|
|
|
physical property
|
characteristic of a substance, but does NOT change its identity
|
|
|
compound
|
characteristic of a substance, but DOES change its identity
|
|
|
atom
|
smallest unit of an element that maintains the properties of that element
|
|
|
homogeneous mixture
|
mixture of a uniform distribution, structure, or composition
|
|
|
heterogeneous mixture
|
mixture of a non-uniform distribution, structure, or composition
|
|
|
pure substance
|
definite compostion of physical and chemical properties, either a single element or compound
|
|
|
compound
|
substance made of 2 or more different elements joined by chemical bond
|
|
|
element
|
substance made of one type of atom
|
|
|
reactants
|
substance or molecule that participates in a chemical reaction
|
|
|
product
|
substance that is formed in a chemical reaction
|
|
|
-------->
|
shows change by separating reactants from products
|
|
|
energy
|
this is released or absorbed when atoms rearrange in a chemical reaction
|
|
|
density
|
ratio or mass-to-volume of a substance
|
|
|
chemical formula
|
reveals the quantity and composition of a substance
|
|
|
compressible
|
ability to push molecules closer together by removing empty space in between
|
|
|
chemistry
|
the study of matter, change and energy
|
