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Semester Exam

QuestionAnswer
The first step in the scientific method is usually making an observation
Which instrument has been used to defect the oldest, most distant objects in the solar system? radio telescope
which unit is used to measure the mass of the computer? kilogram
Most scientific question are developed from? observations.
critical thinking all of the above
how many significant figures are in 7.357 four
which of the following shows 0.0000043g? 4.3 x 10-6
the speed of light is approxumately 3 x 108 300,000,000 m/s
an important science skills is critical thinking. this means thinking logically to solve the problem.
the two main branches of science are natural and social science.
what is 78,900,000,000, expressed in scientific notation? 7.89 x 1010
you put 1 spoonful of salt into 1 liter of water and stir. the resulting liquid is an example of a? heterogeneous mixture.
Created by: Hoglife
 

 



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