Chapter 1 Flashcards
Science that studies nature of matter, energy, and their relationships
Physics
Language of physics
Mathematics
One of the first modern scientists; developed the scientific method
Galileo Galilei
Based on systematic experimentation with careful measurement and analysis of results
Scientific method
Time
Second
Length
Meyer
Matter
Kilogram
Numbers between 1 and 10 followed by 10 raised to a power;
M x 10^n
Scientific notation
M x 10^n: multiply the values of M then _____ the exponents
Add
M / 10^n: divide the values of M and then ______ the exponent of the divisor from the exponent of the dividend
Subtract
Apparent shift in the position of an object when it is viewed from various angles
Parallax
The ______ of a measurement describes how exactly it was measured
Precision
The extent to which a measured value agrees with some predetermined standard value of a quantity
Accuracy
All digits of s measurement that you are sure of, plus the estimated digit; figures written for a measurement
Significant digits
Rules to determine the number of significant digits
- Nonzero digits are always significant
- All final zeros used after the decimal point are significant
- Zeros between two other significant digits are always significant
- Zeros used solely for spacing the decimal point are NOT significant
