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WorksheetsWorkbook 8th T.A Q1-3, 38
Total questions: 2
Worksheet time: 6mins
In 2017, an experiment was begun involving two astronauts. Scott Kelley and Mark Kelley are identical twins who both worked at NASA. They both trained to be astronauts at the same time, but in 2017 they separated for an experiment.
The results of this experiment are shown below.
For the purposes of this study, why was it important that identical twins
be involved?
Identical twins have the exact same age.
Identical twins had the same development and education during
their life.
Identical twins have similar physical characteristics for scientists to test.
Identical twins had the same nutrition as children.
Which scientific question was the experiment designed to answer?
Does being in space change someone’s personal opinions and beliefs?
How does distance traveled change a person’s diet?
Does DNA change a person’s ability to travel in space?
How does space travel affect people at the genetic level?
Based on the data collected, what is the role of the theory being tested in
this experiment?
to help understand why humans are only able to work as astronauts for
five years before they retire
to help predict what would happen to astronauts who spent years
traveling to, colonizing, and returning from Mars
to help explain how traveling longer distances in space will affect future
astronauts physically and mentally
to help challenge existing theories about whether siblings of astronauts
are more likely to be better suited to space travel
Megan often notices that the faucets in the school bathroom are left running. Concerned about wasting water, she decides to do an experiment. There are six faucets in the bathroom. Megan checks the bathroom after school for five days and records the number of faucets that she finds left running. Then, she posts a sign to the bathroom mirror reminding students to shut off the water when they are finished using it. She observes the faucets after school for another five days.
Megan records her data in a table.
Megan is writing a report about her experiment to present to the principal. Which statement is the most appropriate way for Megan to write her conclusion?
These results prove conclusively that posting reminders to turn off
faucets is an effective way to conserve water.
These results support the hypothesis that posting reminders to turn off
faucets is an effective way to conserve water.
These results show beyond a doubt that posting reminders to turn off
faucets is an effective way to conserve water.
These results prove the hypothesis that posting reminders to turn off
faucets is an effective way to conserve water.
