Scientific Method Review Question Preview (ID: 45454)
Scientific Method.
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Which of the following is a testable hypothesis?
a) If I am lucky, then my plants will grow more.
b) If I give my plants fertilizer, then they will grow taller than my neighbor's plants.
c) My plants aren't growing bigger because I don't water them enough.
d)
What skill is a scientist using when she listens to the sounds that whales make?
a) Drawing Conclusions
b) Interpreting Data
c) Making Observations
d)
In an experiment, the one variable that is changed is called the
a) Independent Variable
b) Dependent Variable
c) Controlled Variable
d)
A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment, the independent variable is
a) the amount of salt in the water.
b) the temperature of the water.
c) the number of plants in the water.
d)
A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment, the dependent variable is
a) the amount of salt in the water.
b) the temperature of the water.
c) the number of plants in the water.
d)
All of the things that must be the same in an experiment to make it fair are called
a) constants or controlled variables.
b) independent variables.
c) dependent variables.
d)
When you decide whether or not the data supports the original hypothesis, you are
a) making observations.
b) asking questions.
c) drawing conclusions.
d)
When a scientist shares her findings with other scientists, she is
a) making a hypothesis.
b) analyzing data.
c) communicating results.
d)
The best graph to use if you are comparing the price of six different cars would be a
a) line graph.
b) bar graph.
c) pie graph.
d)
An educated guess to what the results of the question will be is called
a) the hypothesis.
b) the independent variable.
c) a constant or controlled variable.
d)
Zoe's experiment showed that chicken eggshells were stronger when she gave them hen feed, to which extra calcium had been added. Which step of the scientific method is this?
a) Test the Hypothesis
b) Draw Conclusions
c) Form a Hypothesis
d)
Renee grew bacteria from the mouth on special plates in the laboratory. She placed drops of different mouthwashes on bacteria in each plate. Which step of the scientific method is this?
a) Test the Hypothesis
b) Draw Conclusions
c) Form a Hypothesis
d)
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