chapter 1 Flashcards
(25 cards)
How is science and technology related
advances in science may lead to advances in technology and vise versa
how does earth science overlap with life science
earth science involves the study of systems that may include living organisms
what are the building blocks of all matter
atoms
what happens when the data in an investigation do not support the original hypothesis
the hypothesis will be revised
which of the following statements is true about scientific theories
scientific theories are never proven
why are scientific models important
they help visualize things that are very complex, very large, or very small
which of the following is an example of a safe laboratory procedure
tying back long hair and loose clothing
which of the following conversion factors would you use to change 18 kilometers to meters
1000m/1km
there are 1660 megawatts of wind-generated eletricity
1,660,000 kilowatts
which of the following clocks offers the most precision
a clock that measures time to the nearest tenth of second
approximately how many kelvins are equal to 60F
289
the type of graph used to show how a part of something relates to the whole is a..
circle graph
how do scientists who speak different languages make their data understandable to one another
they all us si
why are peer reviews important
all of the above
if the relationship between the manipulated variable and the responding variable is a direct proportion, what will a line graph of this relationship look like
a straight line
a measurement must include both a number and an..
unit
an experiment in which only one variable, the manipulated variable, is changed at a time is called a..
controlled experiment
the two mean areas of physical science are physics and…
chemistry
in an experiment, if doubling the manipulated variable results in a doubling of the responding variable, the relationship between the variables is a
direct proportion
the three values- 10.714 m, 12.821 m, and 13.646 m, have the same number of
sig figs
explain hoe technology and science are related
science is a system of knowledge while technology is a pratical application of the knowledge
what type of graph would be the best to use to compare the levels of lead contamination in six water wells
a bar graph
what is the relationship between two variables if the product of variables is constant
inverse proportion
what happens to the number in a measurement that is converted from kilometers to meters
it gets larger
