LSA study guide

A student wants to know the effect of sleep habits on their classmates test scores. The student gathers 30 of their classmates and tells 10 of them to sleep for 4 hours each night for a week, tells another 10 to sleep for 8 and another 10 to sleep for 12. At the end of the week the students gives all of their classmates the same test and records their scores. Which of these is the INDEPENDENT VARIABLE?

• Test scores

• Amount of sleep

• Same test

• 8 hours of sleep

A student wants to know the effect of sleep habits on their classmates test scores. The student gathers 30 of their classmates and tells 10 of them to sleep for 4 hours each night for a week, tells another 10 to sleep for 8 and another 10 to sleep for 12. At the end of the week the students gives all of their classmates the same test and records their scores. Which of these is the DEPENDENT VARIABLE?

• Test scores

• Amount of sleep

• Same test

• 8 hours of sleep

A student wants to know the effect of sleep habits on their classmates test scores. The student gathers 30 of their classmates and tells 10 of them to sleep for 4 hours each night for a week, tells another 10 to sleep for 8 and another 10 to sleep for 12. At the end of the week the students gives all of their classmates the same test and records their scores. Which of these is a CONSTANT?

• Test scores

• Amount of sleep

• Same test

• 8 hours of sleep

A student wants to know the effect of sleep habits on their classmates test scores. The student gathers 30 of their classmates and tells 10 of them to sleep for 4 hours each night for a week, tells another 10 to sleep for 8 and another 10 to sleep for 12. At the end of the week the students gives all of their classmates the same test and records their scores. Which of these is the CONTROL?

• Test scores

• Amount of sleep

• Same test

• 8 hours of sleep

A student wants to know the effect of sleep habits on their classmates test scores. The student gathers 30 of their classmates and tells 10 of them to sleep for 4 hours each night for a week, tells another 10 to sleep for 8 and another 10 to sleep for 12. At the end of the week the students gives all of their classmates the same test and records their scores. Which of these is an appropriate HYPOTHESIS (if, then statement)?

• If a student gets 8 hours of sleep, then they will score the highest on a test

• Students need to sleep for good tests scores

• If students are testing, then they probably slept

The following data was collected from the experiment. Choose TWO interpretations about the data below.

• Test scores were highest when students slept for 8 hours a day

• 12 hours of sleep gave the best scores

• Students who don't sleep enough aren't able to do their best on tests

• All groups scored about the same

A student wants to know the effect of sleep habits on their classmates test scores. The student gathers 30 of their classmates and tells 10 of them to sleep for 4 hours each night for a week, tells another 10 to sleep for 8 and another 10 to sleep for 12. At the end of the week the students gives all of their classmates the same test and records their scores. Which of these is a possible SOURCE OF ERROR (SELECT TWO)?

• 8 Hours of sleep is the normal recommended number of hours

• The test was hard

• Some students might not have followed directions and slept too much or too little

• Some students might not be good test takers which could mess up the results

Tags

NGSS.MS-LS1-5

Using the data, make a claim about what sleep habit is the best for high scores on tests. Make sure to include your evidence to support your claim in your answer.

• 4 hours of sleep is great because the data showed a 68.3 average which is technically passing

• There is no difference between any of the sleep habits because all of the numbers were the same

• 8 hours is best

• 8 hours is the best sleep habit in this experiment because the data showed the highest average test scores of 88. This shows that too little or too much sleep is not good for test taking

On your lab skills assessment, when you doing the graph you will plot..

• The averages (this is the right answer)

• Whatever I feel like (this is the wrong answer)

Tags

NGSS.MS-PS3-1