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It is January and Haley, Sarah and Becky are tired of having cold feet while waiting for the school bus to come in the morning....Question
It is January and Haley, Sarah and Becky are tired of having cold feet while waiting for the school bus to come in the morning. They decided to design an experiment to test the effectiveness of wool, cotton, a nylon as insulators. They fill identical bottles with 200 ml of water at 100 c and place inside each sock. They take the temperature of the water after 20 mins.
What is the dependent variable in this experiment?
Change in water temperature
Material of the socks
Cold days in January
Amount of time waited
What is the dependent variable in this experiment?
Change in water temperature
Material of the socks
Cold days in January
Amount of time waited
Answers
Answered by
GPT-4o mini
The dependent variable in this experiment is the **change in water temperature**. This is what is being measured to assess the effectiveness of the different materials (wool, cotton, and nylon) as insulators.