What is the best conclusion for an experiment where plants are treated with acidic solutions of known pH and a control set with neutral pH 7?
The Scientific Method - Experimental Variables.

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Social Studies
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9th - 11th Grade
•
Hard
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19 questions
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1.
FLASHCARD QUESTION
Front
Back
High acidity is harmful to this type of plant.
2.
FLASHCARD QUESTION
Front
The graph below shows atmospheric carbon dioxide levels since the year 1880. Which conclusion can be drawn from this graph?
Back
Atmospheric carbon dioxide levels have been rising at an increasingly higher rate as the past century has progressed.
3.
FLASHCARD QUESTION
Front
In an appropriately designed experiment, a scientist is able to test the effect of: a single variable, multiple variables, the hypothesis, scientific observations
Back
a single variable
4.
FLASHCARD QUESTION
Front
Which statement best expresses a basic scientific assumption?
Back
If a conclusion is valid, similar investigations by other scientists should result in the same conclusion.
5.
FLASHCARD QUESTION
Front
What is the dependent variable in an experiment where two groups are given caffeinated and caffeine-free soda, and their pulse rates are measured?
Back
pulse rate of each group
6.
FLASHCARD QUESTION
Front
A series of steps used by scientists to solve a problem or answer a question.
Back
scientific method
7.
FLASHCARD QUESTION
Front
Which type of data involves numbers that are obtained by counting or measuring? Options: quantitative, qualitative
Back
quantitative
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