Chapter 1

Question 1

science

Answer 1

process used to investigate what is happening around us in order to solve problems or answer questions; part of everyday life

Question 2

technology

Answer 2

the application of science to make useful products and tools, such as computers

Question 3

descriptive research

Answer 3

answers scientific questions through observation

Question 4

experimental research design

Answer 4

used to answer scientific questions by testing a hypothesis through the use of a series of carefully controlled steps

Question 5

scientific methods

Answer 5

ways to solve problems that can include step-by-step plans, making models, and carefully thought-put experiments

Question 6

model

Answer 6

represents something that is too big, too small, too dangerous, too time consuming, or too expensive to observe directly

Question 7

hypothesis

Answer 7

prediction or statement that can be tested and may be formed by prior knowledge, any previous observations, and new information

Question 8

independent variable

Answer 8

variable that can be changed during an experiment

Question 9

dependent variable

Answer 9

factor that is being measured during an experiment

Question 10

constant

Answer 10

variable that stays the same during an experiment

Question 11

control

Answer 11

sample that is treated like other experimental groups except that the independent variable is not applied to it