Development of Scientific Knowledge Answers

Why is the scientific method described as nonlinear?

A scientist noticed that a dark-colored peppered moth is more visible on a light-colored background than a light-colored peppered moth. He wonders, “Does this difference in visibility affect the survival rate of dark moths?” Which part of the scientific method does he need to carry out next?

What is one way that early scientific practice differed from modern scientific practice?

Which statement about technology is true?

Which career field is an applied science?

Why do scientists try to repeat other scientists’ experiments?

A scientist who conducted an experiment obtained an unexpected result. What will she most likely do with the unexpected result?

Data must be considered valid for scientists to trust conclusions. Which is the best way to increase the validity of data in an experiment?

In 1970, Hamilton Smith isolated the first restriction enzyme. Restriction enzymes are used to cut strands of DNA at specific points. This discovery led to the development of recombinant DNA, which is widely used in several scientific industries to produce proteins and hormones more cheaply and in much larger quantities than earlier methods. The change in scientific knowledge caused by Smith’s discovery most directly affected which sector of society?

Which is an example of science playing a role in developing technology?