Which part of experimental design is most important to a scientist when replicating an experiment?
Liam and Melinda have completed one trial testing the freezing point of several solutions, but they cannot agree on what to do next in their experiment.What should be the next step in their investigation?
Which quality should an experiment have to be replicable and valid?
Candace is finding the boiling point of water. From her research, she knows the boiling point of pure water is 212°F. When she ran the investigation, she obtained the following results: 210°F, 213°F, 210°F, and 213°F.Which word best describes her results?
A scientist has completed several trials to see how a new drug affects adults.Which step will best assess the validity of his experimental design and results?
Marcel conducts an experiment to test which stain remover works best on mustard stains. He wants to make sure that he does not make mistakes and has correct data in his experiment.What should Marcel do to make sure that his data are correct?
Lily replicates an experiment that found that the number of calories in a particular food is 50 kcal. She obtained data from five trials: 50 kcal, 72 kcal, 50 kcal, 12 kcal, and 50 kcal.Which best describes her data results?
Zaiden and Lisa are testing music’s effect on plants.What should their materials list include to guarantee they have a valid experiment that includes repetition?
Mitchell records the amount of time a toy car takes to travel down a ramp one time for each of four slope angles. His lab partner, Sarah, suggests that he run the same set of trials two more times.What argument should Sarah use to support her suggestion?
Which data set is precise based on a correct value of 42?
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