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ilec1.2
Question | Answer | |
---|---|---|
science | grew out of greek philosophy, alchemy, and natural philosophy | |
Our study of material universe has | technological | theoretical |
alchemy | a mixture of chemistry and magic | |
natural philosophy | philosophical speculation about nature | |
Francis Bacon thought that science would | increase human happiness and prosperity | |
green chemistry (also known as sustainable chemistry) | reduce pollution and provide safer products | |
The main theme of Rachel Carson's Silent Spring was that life on Earth would be | pesticides | |
Galileo has been called the father of modern science because he | made observations and did experiments | |
which best exemplifies sustainable chemistry? | plastic bottles are made from both petroleum and recycled plastic | |
hypotheses= | educated guesses | tentative explanations of observed data |
scientific laws is | large amounts of scientific data can sometimes be summarized in brief statements | |
theory | the best current explanation for a phenomenon (but is always tentative) | |
theories provide organization for scientific knowledge, but they are also useful for their: | predictive value | |
scientific model | tangible items or pictures to represent invisible processes | |
variable | something that can change over the course of an experiment | |
To gather information to support or discredit a hypothesis, a scientist | conducts experiments | |
The statement that mass is always conserved when chemical changes occur is an example of a scientific | law | |
a success theory | can be used to make predictions | |
which of the following is not a hypothesis? | Extrasensory perception works only when no negative forces are present | |
A possible explanation for a collection of observations is called a(n) | theory | |
social problems are difficult to solve because it is difficult to | control variables | |
How can we determine when the benefits outweigh the risks? | DQ | |
Our perception of risk is | often different from actual risk | |
technology | the application of knowledge for practical purposes |