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Sati [7]
3 years ago
7

Sarah wants to know which brand of nail polish lasts the longest without chipping.She buys 4 types of nail polish - Essie (which

she normally uses,) butter, OPI, and Sally Hanse. Every Sunday for 4 weeks she paints her nails with a different brand of nail polish and records how many days she lasts before she gets her first chip. She makes sure to use the same bottom coat and top coat with each types of nail polish, and she makes sure to do the same weekly routine each week so that her nails aren't getting treated more roughly
different weeks. What is the independent variable​
Biology
1 answer:
son4ous [18]3 years ago
7 0

Answer:

Different brands of nail polishes used by Sarah.

Explanation:

While conducting an experiment two different variables are considered namely dependant variable and independent variable. The variable which is continuously changed to see the effects is called as independent variable and the variable which is being tested is called as dependant variable.

In the given scenario, Sarah want to know best brand of nail polishes which lasts longest without chipping. Thus the different brands of nail polish used by her is considered as independent variable.

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The correct order of steps in an experiment would be:

  • Identify the variables.
  • Write out your hypothesis in an if/then format.
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  • Analyze the data.
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<h3>What is an experiment? </h3>

An experiment is a term to refer to the process by which a hypothesis is supported/disproved. The experiments serve to explain the cause-and-effect relationship according to the results obtained.

Experimentation has some important steps that we must follow to demonstrate our ideas regarding a scientific manifestation, these steps are:

  • Identify the variables: We must identify the factors that we can manipulate so that the result changes.
  • Write our hypothesis: Establish a hypothetical result that we are going to demonstrate.
  • Gather the materials: We must have all the materials and variables to be able to carry out our experiments.
  • Analyze the data: When we do an experiment we must record everything we see and then analyze it to examine each step and the procedures performed.
  • Write the conclusion: After analyzing the data obtained, we can write a conclusion about the experiment carried out and the result obtained.

Learn more about experiments in: brainly.com/question/9199868

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3 years ago
let us suppose a person who has a 45 kg mass is riding along a frictionless roller coaster track. The cart at a particular insta
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Answer:

Yes.

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