Matter & Math Review
Name: ____________________________________________ Period: _______
Directions: Remember to record all values with correct units, significant figures AND scientific notation if required.
Classification of Matter
Classify each as: element (E), compound (C), homogeneous mixture (HOM), or heterogeneous mixture (HEM).
______ pizza
______ tears (from crying)
______ calcium chloride (CaCl2)
______ Iron (Fe)
Characteristics of Matter
Classify the following as physical property (PP), physical change (PC), chemical property (CP) or chemical change (CC) on
the blank provided.
_______
burning a piece of toast
_______
Iron rusts
_______
tearing paper into smaller pieces
_______
a metal is a shiny solid
Scientific Notation - Convert the following example problems to or from scientific notation and identify # s.f.
8953 _______________
0.00004333 _____________________
6.7794 x 103 _____________
3.62 x 10-4 __________________
Operations with Sig Fig - Perform the following operations, round your answer correctly, use Sci Not and Sig Fig
as required.
2.36 m + 10.38 m - 0.355 m ________________________
(3 × 101) x (2.5 × 10-2)
________________________
Matter & Math Review – ANSWER KEY
Directions: Remember to record all values with correct units, significant figures AND scientific notation if required.
Classification of Matter
Classify each as: element (E), compound (C), homogeneous mixture (HOM), or heterogeneous mixture (HEM).
HEM pizza
HOM tears (from crying)
C calcium chloride (CaCl2)
E Iron (Fe)
Characteristics of Matter
Classify the following as physical property (PP), physical change (PC), chemical property (CP) or chemical change (CC) on
the blank provided.
CC
burning a piece of toast
CC
Iron rusts
PC
tearing paper into smaller pieces
PP
a metal is a shiny solid
Scientific Notation-Convert the following example problems to or from scientific notation and identify # s.f.
8953 8.953 x 103 – 4 sig figs
0.00004333 4.333 x 10-5 – 4 sig figs
6.7794 x 103 6779.4 – 5 sig figs
3.62 x 10-4 0.000362 – 3 sig figs
Operations with Sig Fig -Perform the following operations, round your answer correctly, use Sci Not and Sig Fig
as required.
2.36 m + 10.38 m - 0.355 m 12.385 m  12.39 m (1.239 x 101 m)
(3 × 101) x (2.5 × 10-2) 0.75  0.8 (8 x 10-1)