Chapter 1 Flashcards
1
Q
How many stars are in our Solar System?
A
one
2
Q
A theoretical model is
A
a detailed description in terms of known physical laws or theories.
3
Q
In science, an idea that cannot be tested is
A
not a scientific idea.
4
Q
The statement “our universe is but one of a multitude of isolated universes” is best characterized as a(n)
A
speculative but unscientific idea.
5
Q
Albert Einstein’s theory of relativity replacing Isaac Newton’s theory of gravity is an example of
A
the provisional nature of scientific knowledge.
6
Q
The cosmological principle states that
A
the universe looks the same everywhere and in all directions on large spatial scales.
7
Q
Because of ________, we can conclude that gravity works the same way on Earth as it does on Mars.
A
the cosmological principle
