chemistry test 1

Question 1

science

Answer 1

the process of studying the natural world

Question 2

branches of science

Answer 2

-life science
-physical science
-earth and space science

Question 3

example of life science

Answer 3

anatomy, biology, genetics, ecology, zoology

Question 4

example of physical science

Answer 4

chemistry, physics

Question 5

example of earth and space science

Answer 5

geology, meteorology, astronomy

Question 6

chemistry

Answer 6

the study of the structure and properties of matter, the changes matter undergoes, and the energy change associated

Question 7

science vs. technology

Answer 7

science = the search for scientific knowledge
technology = the application of science

Question 8

scientific method

Answer 8

an organized set of investigative procedures

Question 9

scientific method steps

Answer 9

-state the problem
-form a hypothesis
-test hypothesis
-record data
-draw conclusion

Question 10

qualitative vs. quantitative

Answer 10

qualitative = quality, using 5 senses
quantitative = number, measurement/ numerical

Question 11

hypothesis

Answer 11

a possible explanation to a problem based on observation and research, must be testable

Question 12

control

Answer 12

element that remains unchanged by other variables, used for comparison to changes

Question 13

independent variable

Answer 13

being changed

Question 14

dependent variable

Answer 14

changes based on independent

Question 15

scientific theory

Answer 15

-an explanation about the natural world
-not a guess, based on hypothesis and observations
-supported by testing
-answers how and why

Question 16

scientific law

Answer 16

-a statement about the natural world
-predicts what will occur in a given set of conditions
-answers what happens
-does not explain how or why