Warm up Monday February 9, 2015:

Copy the passage and fill in the blanks with a chemistry vocabulary word:

Matter can be classified according to the basic types of matter it contains.  A simple substance that cannot be broken down into other substances by chemical means is called ______________.  A chemical combination of simple substances is called ______________.  A physical combination of different substances that retain their individual properties is called a(n) _______________ and may be ________________ if it looks the same throughout or ___________________ if it does not look the same throughout.   Either an element or a compound may be referred to as a(n) _____________.