vocab 1.1

Question 1

chemistry

Answer 1

the study of matter and the changes it undergoes

Question 2

science

Answer 2

the use of evidence to construct testable explanations and predictions of natural phenomena, as well as, the knowledge generated through this process

Question 3

hypothesis

Answer 3

a testable expiation of a situation or phenomena is called a hypothesis

Question 4

theory

Answer 4

explanation of a natural phenomenon based on many observations and investigations over time

Question 5

scientific law

Answer 5

a relationship in nature that is supported by many experiments (eg Newtons Law)

Question 6

pure research

Answer 6

a type of scientific investigation that seeks to gain knowledge for the sake of knowledge itself

Question 7

applied research

Answer 7

a type of scientific research that seeks to solve a specific problem

Question 8

substance

Answer 8

aka a chemical: a matter that has definite and uniform composition

Question 9

mass

Answer 9

a measurement that reflects the amount of matter

Question 10

weight

Answer 10

a measure of the amount of matter and the effect of Earth’s gravitational pull on the matter

Question 11

model

Answer 11

a visual, verbal, or mathematical explanation of experimental data