Chapter 1 Notes Flashcards
Introduction of Physics (16 cards)
Definition of Physics
the study of the material world
World View
Examples?
a shared set of ideas that represents the current explanations of how the material world operates
- experimental base
Gravity and Mass
A scientific law must be…
Testable!
It must make predictions that can be tested.
SI stands for?
System Interantional Units
Positive exponent values =
obtained through the use of?
Large numbers
Prefixes
Negative exponent values =
obtained through the use of?
Small numbers
Prefixes
Criteria for a new idea to become a Physics law?
Hint: 3
- Agree with the existing data
- Make predictions that can be tested
- Have a scientific basis
Theory?
WHY somethings happens
LAW
HOW something happens
Hypothesis
the idea of why something happens
(constantly being tested)
Prefix
Mega
Symbol:
Meaning:
Power of ten:
Value:
Symbol: M
Meaning: million
Power of ten: 10^6
Value: 1,000,000
Prefix
Kilo
Symbol:
Meaning:
Power of ten:
Value:
Symbol: k (lowercase)
Meaning: thousand
Power of ten: 10^3
Value: 1,000
Prefix
Centi
Symbol:
Meaning:
Power of ten:
Value:
Symbol: c (lowercase)
Meaning: hundredth
Power of ten: 10^-2
Value: 0.01
Prefix
Milli
Symbol:
Meaning:
Power of ten:
Value:
Symbol: m
Meaning: thousandth
Power of ten: 10^-3
Value: 0.001
Prefix
Micro
Symbol:
Meaning:
Power of ten:
Value:
Symbol: μ
Meaning: millionth
Power of ten: 10^-6
Value: 0.000 001
Prefix
Nano
Symbol:
Meaning:
Power of ten:
Value:
Symbol: n (lowercase)
Meaning: billionth
Power of ten: 10^-9
Value: 0.000 000 001