Font size
WorksheetsScientific method and experimental design review
Total questions: 20
Worksheet time: 24mins
What's the dependent variable?
These are variables that are kept the same throughout all experimental groups to prevent error in the experiment.
Independent Variable
Dependent Variable
Controlled Variable
Varying Variable
A possible explanation to a problem that has not yet been tested.
data
theory
hypothesis
fact
A prediction is most like a(n)
math problem.
educated guess.
memory of a past event.
observation about the text.
Your teacher has asked you to explain the difference between quantitative and qualitative observations. Which statement is correct?
Quantitative observations use numbers, qualitative uses the senses.
Quantitative observations use the senses, qualitative uses numbers.
Quantitative observations use measurement, qualitative uses numbers.
Quantitative observations use colors, qualitative uses the senses.
Read each statement. Then choose whether the statement is an observation, inference, or prediction.
The container is filled to the 350 mL mark.
Observation
Inference
Prediction
Information gathered using your 5 senses is called an
Observation
Inference
Step 1
Question
Step 2
Hypothesis
Step 3
Experiment
Step 4
Data
Step 5
Analyze
Which of the following is NOT a characteristics of a hypothesis?
Must be made with background knowledge
Must be testable
Must organizes the IV and DV
Must always be correct
Experiments include many trials, since:
It's fun
Scientists like to stay busy
More trials ensure the hypothesis is ALWAYS correct
More trials increase accuracy of results
The control group , or the normal group, is needed for:
Keeping aspects of experiment constant
Comparison
Hypothesis formation
Application of the manipulated variable
