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marine science module 1 exam questions and answers
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marine science module 1 exam questions and answers
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marine science module 1 examquestions and answers
Which of the following must be involved in solving a scientific problem? - Answer -
asking testable questions
What is the body of scientific knowledge based on? - Answer -observations
Why is cryptozoology not considered a true science? - Answer -it is based on anecdotal
stories and not on evidence.
What type of questions cannot be solved by scientific methods? - Answer -questions
about ethics
Which of the following is true about science? - Answer -it is durable because it is tested
When new evidence is discovered, what must scientists do next, and why? - Answer -
they must adjust the scientific ideas to account for all of the known evidence. This
process makes scientific knowledge even more durable.
Which of the following properties of water enables it to move from the roots to the
leaves of a plant? - Answer -It exhibits cohesive behavior.
What property of water explains why large bodies of water do not quickly fluctuate in
temperature? - Answer -Water has a high specific heat capacity, so it takes a lot of
energy to increase its temperature.
Why does ice stay at the top of oceans instead of sinking to the bottom? - Answer -Ice
is less dense than liquid water because the molecules in ice are farther apart.
Water is often called the "universal solvent" because many substances can be
dissolved in water. What property of water allows it to be such a versatile solvent? -
Answer -The positive and negative charges on water molecules form strong attractions
toward ions and other charged particles.
Water at about 4°C (39°F) is more dense than water at 0°C (32°F). Why would the living
organisms in the lake die if the water at the freezing point was denser than the water at
4°C? - Answer -The freezing water would sink to the bottom and freeze the lake water
from the bottom up.
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