Which of the following statements is TRUE?
A) A scientific law is fact.
B) Once a theory is constructed, it is considered fact.
C) A hypothesis is speculation that is difficult to test.
D) An observation explains why nature does something.
E) A scientific law summarizes a series of related observations.
Correct Answer:
Verified
Q2: Two or more substances in variable proportions,where
Q3: Identify a gas.
A) definite volume and definite
Q4: Which of the following statements about the
Q5: Identify a liquid.
A) definite volume and definite
Q6: A substance that can't be chemically broken
Q8: Which of the following represents a hypothesis?
A)
Q9: Filtration is
A) a process in which the
Q10: Dalton's Atomic Theory states
A) that all elements
Q11: Identify a solid.
A) definite volume and definite
Q12: Molecules can be described as
A) mixtures of
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