Biology, 28.10.2020 22:50, miner12924owhu4d
1.A student completed an experiment that compared the amount of nitrogen given to a tomato plant to how many tomatoes the plant produced. Which of the following is the best axis label and placement for the independent variable?
4. Four groups of students were given a piece of aluminum foil (20cm x 20cm), a container holding one liter of water, and some pennies. Each group was instructed to use the aluminum foil to make a boat that would hold the greatest number of pennies while floating on the water. What is the dependent variable in this experiment? (SC.912.N.1.1)
Miguel was conducting an experiment. He wrote the following sentences in his science interactive notebook:
The starting temperature of the water was 10 degrees Celsius
An object weighing 5 grams was placed in the water
The temperature of the water increased to 15 degrees
The object must have been hotter than 10 degrees
In which sentence did Miguel make an inference? (SC.912.N.1.6)
A drug company tests a new blood pressure medication before getting FDA approval to market the drug to the public. Pills containing no medication are given to 500 people in Group 1, and pills containing the new medication are given to 500 people in Group 2.
In this experiment, what is Group 1 considered? (SC.912.N.1.1)
Nick wondered if athletes had the same active pulse rate as people who were not athletes. For
his study, he selected 5 athletes and 5 non-athletes. His subjects had similar body weights and
heights. Nick had each subject walk on a treadmill for 10 minutes at a speed of 3 miles per
hour. For each subject, he recorded their pulse rate before exercising, after 5 minutes of
exercise, and after 10 minutes of exercise. When he analyzed his data, he discovered no
statistically significant difference between the two groups. What could Nick do next to make
sure his data are valid? (SC.912.N.1.4)
A scientific study showed that the depth at which algae were found in a lake varied from day
to day. On clear days, the algae were found as much as 6 meters below the surface of the
water but were only 1 meter below the surface on cloudy days. Which hypothesis best
explains these observations?
Answers: 2
Biology, 21.06.2019 18:30, evelynnn452
Which sentence best expresses the differing opinions of these two book reviews?
Answers: 1
Biology, 22.06.2019 01:30, netflixacc0107
Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm
Answers: 1
Biology, 22.06.2019 03:00, Wolfzbayne
Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point
Answers: 1
Biology, 22.06.2019 06:00, toxsicity
Will mark you as ! keiko’s teacher was discussing the theory of endosymbiosis. she asked keiko to mark the organelles in the diagram that most closely resembled prokaryotes. which organelles should keiko mark? * the first image is the question and the second image is some information to you answer the !
Answers: 1
1.A student completed an experiment that compared the amount of nitrogen given to a tomato plant to...
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