1. Galileo learned about motion by conducting experiments with Select one: a. Co
ID: 1774806 • Letter: 1
Question
1.
Galileo learned about motion by conducting experiments with
Select one:
a. Colliding blocks swinging from a pendulum
b. Rolling objects and inclined planes
c. The shadow cast by an object in the noonday sun
d. Buoyancy of boats and other floating objects
2.
Which of the following is not true about classical elemental theory
Select one:
a. Is based on empirical observation
b. Was accepted for over a millennium
c. Does not account for celestial motions
d. Could be described mathematically
3.
Aristotle explained gravity as
Select one:
a. Uniform acceleration towards the center of the earth
b. Motion of bodies to their natural place
c. The result of a vacuum or void
d. All of the above
4.
Which of the following is not true about classical elemental theory
Select one:
a. All things in nature are composed of Air, Earth, Fire and Water
b. An object can be comprised of at most two of the four elements
c. Natural motion of an object is dependent on what element it is composed of
d. Was based on empirical observations of nature
5.
Aristotle observed that bubbles rise in water thus validating the view that
Select one:
a. Earth sinks in Water
b. Air and Water are both Cold
c. Air bubbles need continuous external force to undergo natural motion
d. The natural place of Air is above Water
6.
In classical elemental theory smoke rises because it is hot and trying to rise to the level of fire
Select one:
True
False
Explanation / Answer
1-b
2-b
3-b
4-d
5-d
6- false as hot air is lighter than cold air , it gets replaced by cold air and so hot air moves upward
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