Biology

Biology, 02.08.2019 16:40, genyjoannerubiera

Iam testing a group of student to see if the amount of sleep they receive affects their grades. what is the independent and dependent variable in this experiment

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Chemistry, 22.08.2019 03:10, changemyfate69

2. what effect does amount of water have on plant growth? independent variable: dependent variable: 3. does a student's bedtime effect a student's energy level? independent variable: dependent variable: 4. what effect does exercise have on strength? independent variable: dependent variable: 5. does a person's height effect their ability to play basketball? independent variable: dependent variable:

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Biology, 23.09.2019 11:30, 2020EIglesias180

Abiology student wants to conduct a study of how the amount of sunlight affects the length of sleep for mice. she sets up for cages with a mouse in each cage. what are the constants? what is the independent variable? what is the dependent variable? what data do you need to collect during this experiment?

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Biology, 23.09.2019 22:00, stormserena

Norman thinks that the brain function of students suffers when they receive less sleep. he predicts that students who get less sleep before an exam will receive lower test grades. to investigate his idea, he tests two groups of chemistry students. group 1 receives four hours of sleep, while group 2 receives the recommended eight hours of sleep the night before the exam. both groups consume the same foods before testing and take the same exam in the same room. the room has a constant temperature and level of light for all students. what is the independent variable in norman's investigation?

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