Physics, the Fundamental Science
Chapter 1
(Precision & Description)
Length – meter (m) Mass – kilogram (kg)
Volume – liter (L)
Prefix Symbol Meaning
Giga- G 1,000,000,000 x base unit
Mega- M 1,000,000 x base unit
Kilo- K 1,000 x base unit
Base Unit
Deci- d 0.1 x base unit
Centi- c 0.01 x base unit
Milli- m 0.001 x base unit
Micro-
Cube a 1 in3 6 in2
Cube b 8 in3 24 in2
Block A Block B
Mass = 81.0 g Mass = 135g
Volume = 30 L Volume = 50 L
Density = 2.7 g/L Density = 2.7 g/L
a. Symbols => Each symbol stands for a very
specific property or concept. These quantities represent a number and a unit.
relationship where the quantities on one side of the equal sign are identical to the quantities on the other side.
together.
5.
y
Prior Knowledge Collect Data
Interpret Data
In science, you continually attempy to prove your hypothesis is incorrect. Scientific statements are tentative!