Using science to analyze nature
A.Is a practice that requires a high degree of education
B.Adds depth to our understanding and therefore adds to our appreciation of the natural world
C.It just silly
D.Is futile because scientific knowledge is imperfect
E.Reduces our sense of awe because it explains how things work. - ANSWER: B.Adds depth to our
understanding and therefore adds to our appreciation of the natural world
A scientific hypothesis may turn out to be right or it may turn out to be wrong. If it is valid hypothesis,
there must be a way for proving it ____
Right
Wrong - ANSWER: Wrong
In scientific experiment, a control is___
A.A test that duplicates an experiment test except for 1 variable
B. A way to study the effect of just one experiment variable
C.Both A and B
D.None of the above - ANSWER: B. A way to study the effect of just one experiment variable
In science, an educated guess that is testbale is a____
A.Hypothesis
B.Observation
C.Fact
D.Theory
E.law/principle - ANSWER: A.Hypothesis
If experimental findings are not reproducible,_____
A. It is an indication that the scientific method was not followed
B.The result are considered valid, but not usable
C.The results are not considered valid
D.It is an indication of scientific fraud - ANSWER: C.The results are not considered valid
Which of the following is a scientific hypothesis
A. The moon is made of green cheese
B.There are things we will never know about
C.There are parts of the universe that will never be found by man
D.Matter is filled with undetectable particles - ANSWER: A. The moon is made of green cheese
, A deceptive practice that uses the appearance or language of science to convince, confuse or mislead
people into believing something has scientific validity when it actually does not is _____
A.Pseudoscience
B.Model
C.An aliquot
D.A principle - ANSWER: A.Pseudoscience
A synthesis of large collection of information that contains well tested and verified hypothesis about
certain aspects of the world is known as scientific_____
A.Fact
B.law/principle
C.Hypothesis
D.Theory
E.Observation - ANSWER: D.Theory
In general, giants stars are ____ and ___
A.Bright and hot
B.Dim and hot
C.Dim and cool
D.Bright and cool - ANSWER: D.Bright and cool
An interstellar cloud of gas and dust is know a(n)
A.Nova
B.Galaxy
C.Corona
D.Nebula - ANSWER: D.Nebula
The color of a star indicates
A.Its stage
B.Its surface temperature
C.Its mass
D.All the above (NOT) - ANSWER: B.Its surface temperature
Nuclear fusion reactions producing energy take place in the ___
A.Core
B.Conviction zone
C.Corona
D.Radiative zone - ANSWER: A.Core
The big bang theory predicts that
A.The universe is expanding
B.Objects in the universe are getting farther apart
C.The universe began as single point in space
D.All the above - ANSWER: D.All the above
Which of the following types of stars have the potential to become a black hole.
A.Low of mass
B.Mid mass
C.High mass - ANSWER: C.High mass
The milky way is classified as an galaxy
A.Irregular
B.Horizontal (NOT)
C.Spiral
D.Elliptical - ANSWER: C.Spiral
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