Scientific Method And Identifying Variables

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| By Jieninalauryl.re

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Quizzes Created: 3 | Total Attempts: 3,406

Questions: 6 | Attempts: 470 | Updated: Mar 19, 2023

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Scientific Method And Identifying Variables - Quiz

This quiz will not be recorded!
You have 10 mins to answer this!
You are given 3 attempts.
A series of experiments will be presented. Read the experiments carefully to answer each question.

Questions and Answers

1.

You spilled chocolate on your new clothes. You want to know which of the following detergents remove chocolate stains best. You used Ariel, Tide, and Surf then washed the clothes for 20 mins using lukewarm water. Which of the following is the Independent Variable? Check all that applies.
- A.
  
  Chocolate
- B.
  
  Surf
- C.
  
  Tide
- D.
  
  Ariel
Correct Answer(s)
B. Surf
C. Tide
D. Ariel

Explanation
The independent variable in this experiment is the type of detergent used - Surf, Tide, and Ariel. The experiment is testing which detergent removes chocolate stains best, so the researcher is manipulating the independent variable by using different detergents. The dependent variable would be the effectiveness of stain removal, which is not mentioned in the question.

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2.

You spilled chocolate on your new clothes. You want to know which of the following detergents remove chocolate stains best. You used Ariel, Tide, and Surf then washed the clothes for 20 mins using lukewarm water. Which of the following is the Controlled Variable? Check all that applies.
- A.
  
  Amount of stain left after washing
- B.
  
  Time of washing
- C.
  
  Temperature of water
- D.
  
  Tide
Correct Answer(s)
B. Time of washing
C. Temperature of water

Explanation
The controlled variables in this experiment are the time of washing and the temperature of water. These variables are controlled by the experimenter and kept constant throughout the experiment. By washing the clothes for 20 minutes and using lukewarm water, the experimenter ensures that these variables do not influence the results. The amount of stain left after washing is the dependent variable, as it is the outcome that is being measured and compared between the different detergents. Tide is not a controlled variable but rather one of the detergents being tested.

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3.

You spilled chocolate on your new clothes. You want to know which of the following detergents remove chocolate stains best. You used Ariel, Tide and Surf then washed the clothes for 20 mins using lukewarm water. Which of the following is the Dependent Variable? Check all that applies.
- A.
  
  Amount of stain left after washing
- B.
  
  Time of Washing
- C.
  
  Temperature of Water
- D.
  
  Tide
Correct Answer
A. Amount of stain left after washing

Explanation
The dependent variable in this experiment is the amount of stain left after washing. This is because the purpose of the experiment is to determine which detergent removes chocolate stains best, and the amount of stain left after washing is the measure of effectiveness for each detergent. The other options - time of washing, temperature of water, and Tide - are all independent variables that can be manipulated in the experiment.

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Current Version
Mar 19, 2023

Quiz Edited by
ProProfs Editorial Team
May 27, 2020

Quiz Created by
Jieninalauryl.re

Scientific Method And Identifying Variables

You spilled chocolate on your new clothes. You want to know which of the following detergents remove chocolate stains best. You used Ariel, Tide, and Surf then washed the clothes for 20 mins using lukewarm water. Which of the following is the Independent Variable? Check all that applies.

You spilled chocolate on your new clothes. You want to know which of the following detergents remove chocolate stains best. You used Ariel, Tide, and Surf then washed the clothes for 20 mins using lukewarm water. Which of the following is the Controlled Variable? Check all that applies.

You spilled chocolate on your new clothes. You want to know which of the following detergents remove chocolate stains best. You used Ariel, Tide and Surf then washed the clothes for 20 mins using lukewarm water. Which of the following is the Dependent Variable? Check all that applies.