Scientific Method Question Preview (ID: 52470)
Review Of Scientific Method.
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Fatima examines the flowers daily and notes on her data chart the number of flowers that are still fresh. This variable - the number of fresh flowers remaining is which variable?
a) independent
b) dependent
c) control
d) constant
Fatima plans to test to see if sugar dissolved in the water will help the flowers stay fresher longer. This is the one thing she will change - what type of variable is it?
a) independent
b) dependent
c) control
d) constant
When planning the investigation, Fatima suggests using one type of flower, the same number of flowers, the same environmental conditions and location, etc.This type of variable is;
a) the material variable
b) the dependent variable
c) the independent variable
d) the constant or controlled variable
Fatima wants to find out how fresh flowers can be made to stay fresh longer. She should;
a) make a hypothesis and plan an investigation
b) make a hypothesis and a conclusion
c) make a hypothesis and analyze
d) make a hypothesis and a materials list
An experiment should only be done once, or you might come up with different and confusing results.
a) True
b) False
c) Maybe
d)
The independent variable is also called the
a) controlled variable
b) responding variable
c) manipulated variable
d) categorical value
The conclusion in a scientific investigation is based on
a) theories from research.
b) observations and data.
c) the ideas of famous scientists.
d) what you thought would happen.
When making a graph of your data, where should you place the dependent variable?
a) in the center of the page
b) along the y-axis
c) along the x-axis
d) at the top of the page
Scientists believe that scientific knowledge and ideas should be based on
a) experiments that record accurate data.
b) long held beliefs.
c) years of experience.
d) a vote by educated people.
The hypothesis in a scientific investigation is
a) always right.
b) the last part of the experiment.
c) a list of procedures.
d) an educated guess about the outcome
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