Scientific Method, Measurement, and Units Flashcards
1
Q
The main purpose of scientific method
A
Testing of theories
2
Q
Aristotle’s belief
A
If gold is taken out of the mine, it will grow back. Believe this because it fit with the general picture about nature.
3
Q
Fact
A
- A statement based on direct explanation
- Consistent and reproducible observation
4
Q
Hypothesis
A
Statement that is proposed, without actual proof, to explain facts and relationships between
5
Q
Galen’s Hypothesis
A
- Observed that blood flows from the left to right of the heart
- Hypothesis: there must be tiny holes in the muscular walls of the heart
6
Q
William Harvey Discovery
A
Discovered that heart is a pump
7
Q
Fabricius’ Observation
A
One-way valves exist in the veins, so blood can only travel toward the heart
8
Q
Harvey’s Hypothesis
A
Blood is pumped by the heart and circulates throughout the body
9
Q
Theory
A
- Formulation of an apparent relationship among observed phenomena
- Same as hypothesis, but has more evidence to support it
10
Q
Metric System
A
11
Q
SI Units
A
12
Q
A
