Scientific Method
An educated guess
Hypothesis
The variable that is changed/manipulated in an experiment.
A. | Dependent |
B. | Independent |
C. | Control |
D. | Uncontrolled |
B- Independent
The variable that represents the outcome or effect in an experiment
Dependent Variable
Before you can form a hypothesis, you need to
A) state the problem or question
B) perform an experiment
C) state a conclusion
A) state the problem or question
How do you finish a scientific report
Conclusion
Which of the following hypotheses is written most correctly?
A) If a tennis ball is frozen, it won't bounce as high
B) If I heat up a tennis ball it will bounce high.
C) Frozen tennis balls will not bounce as high.
D) If I freeze a tennis ball, then it will not bounce as high.
D) If I freeze a tennis ball, then it will not bounce as high.
The information (evidence) gathered from observations and experimentation is
Data
Is this an example of qualitative or quantitative data?
The colour changed to blue
Qualitative
What section do you talk about errors in?
Discussion
The foundation for any experimental process is
a. | read all the instructions very carefully. | c. | Labeling Materials. |
b. | Thorough Research with Credible Sources. | d. | Creating Hypothesis. |
B - Thorough Research with Credible Sources
What is a testable question?
A) Do ghosts exist?
B) Why is the color blue so calming?
C) Does exercise affect memory?
C) Does exercise affect memory?
How many independent variables should you have
1
A scientist conducted an experiment to determine how the amount of salt in a body of water affects the plants that can live in the water. In this experiment the independent variable ( the thing that you change) is
A) the types of plants B) the amount of salt in the water
the amount of salt in the water
Different preservatives were tried in foods to determine which best stopped the growth of molds. What is the dependent variable?
A) Types of food
B) Growth of Mold
B) Growth of Mold
Another word for descriptive or explains qualities/ characteristics.
A) Quantitative
B) Qualitative
B) Qualitative
Name 2 units of measurement for distance
mm, cm, m, km etc.
A researcher conducted an experiment to see if temperature effected the blooms of a rose bush.
What is the independent variable?
A) The Rose Bush
B) The Temperature
B) The temperature
A hypothesis must be stated in a form that is
A) Correct
B) Measurable
C) Testable
C) Testable
We compare our experimental data by including a
A) Control Group
B) Uncontrolled Group
C) Experimental Group
D) Observation Group
A) Control Group
What is a straight line that best represents the trend of a group of data points
A line of best fit