Which of the following should be inferred about cells with semi-permeable membranes?

H2O enters the cell when placed in high water concentrations

Which statement is NOT correct regarding a theory and a law?

Theories become laws if enough evidence supports it.

the development of deformities in the hatched frogs

Which is the best conclusion for this experiment?

High acidity is harmful to this type of plant.

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Nature of Science Review

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A review for the nature of Science. SC.912.N.1.1

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Questions 10

Answers

1
Which would be the most reliable source to use to obtain science related information?
A newspaper article
A university’s Web site
An anonymous blog
A transcript of a politician’s speech
2
What is the independent variable of the following experiment?
Plant location
Plant growth
Type of pot used
Amount of soil
3
Which of the following should be inferred about cells with semi-permeable membranes?
H2O leaves the cell when placed in low solute concentrations
Substances other than H2O may block pores in the membrane
H2O enters the cell when placed in high water concentrations
Substances other than H2Omay also cross the cell membrane
4
Which statement is NOT correct regarding a theory and a law?
Laws are descriptions of evidence.
Laws can change if enough evidence supports it.
Theories are explanations of evidence.
Theories become laws if enough evidence supports it.
5
Which of the following is the dependent variable in this investigation?
Time
Diffusion Distance (mm)
Type of Chemical
Amount of Chemical
6
Nature of Science #6
D
C
A
B
7
Which component is missing from Carmen’s experiment?
a hypothesis
a description of the experimen
a control group
a question
8
Which of the following conclusions can be drawn from this graph?
D
B
C
A
9
Nature of Science #7
the development of deformities in the hatched frogs
the number of frog eggs used in the study’s sample
the size of the aquariums in which the frog eggs were kept
the introduction of pesticides to the frog eggs
10
Which is the best conclusion for this experiment?
Acid has no effect on the health of this type of plant.
High acidity is helpful to this type of plant.
High acidity is harmful to this type of plant.
Low acidity is harmful to this type of plant.

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