(Early) Science
Where Egyptian doctors considerd scientists? (Why or why not)
No because they relied on trial and error and didn't try to figure out WHY something happened.
Define ancient.
Something from a long, long time ago
Which philosopher measured the pyramids using shadows?
Thales
What happens when you pluck a string at full length, then pinch it half way to pluck it again? (How does the sound change)?
The pitch will be higher
Thales believed everything was made up of (which element)?
Water
Define philosopher.
A person who things and tries to figure things out
Name 2 things Thales used math to figure out/predict.
-how far a boat is from shore
-eclipse
How many music notes are there?
7
What was the fog in our glass when we burned the candle?
water (water molecules cooled and condensed on the cool glass)
Define pitch.
How high or low the note is
Which philosopher loved music and wanted to figure out the details fo why music happens?
Pythagoras
What determines the pitch of a sound?
The frequency with which the crests hit your ear
What is the chemical made when the candle burned besides water?
Carbon dioxide
Define frequency.
how often the crests hit your ear
Which philosopher is considered the first 'scientist'? Why?
Thales. He wanted to know the WHY behind the way things happened.
What determines the volume of a sound?
The amount of air in the crests.
Why do you take a deep breath before you shout loudly?
More sound means you need higher "crests" and you need more air and force to create the higher crests.
Define soundwave.
Series of clumped up and spread out air that creates sound.
Roughly when did Thales live?
a. 2500 BC
b. 1500 BC
c. 900 BC
d. 600 BC
d. 600 BC
Besides speed at which it vibrates, what 2 things affects the pitch produced by a vibrating string?
Tension (tightness) and thickness of a string