Chapter 1

Question 1

Scientific method

Answer 1

An organized plan used for gathering, organizing, and communicating ifnormation.

Question 2

Hypothesis

Answer 2

A proposed answer to a question

Question 3

Responding Variable

Answer 3

A variable that changes in response to a change in the manipulated variable.

Question 4

Accuracy

Answer 4

The closeness of a measurement to the true value of what is measured.

Question 5

Science

Answer 5

A system of knowledge about the natural world and the methods used to find that knowledge.

Question 6

Observation

Answer 6

Information obtained through the senses.

Question 7

Manipulated Variable

Answer 7

The variable that causes a change in another variable.

Question 8

Controlled Experiment

Answer 8

An experiment in which only one variable, the manipulated variable, is deliberately changed at a time.

Question 9

Scientific Notation

Answer 9

A way of expressing a value as the product of a number between 1 and 10 and a power of 10.

Question 10

Scientific Law

Answer 10

A statement that summarizes a pattern found in nature.

Question 11

Model

Answer 11

A representation of an object or event.

Question 12

Scientific Theory

Answer 12

A well-tested explanation for a set of observations or experimental results.

Question 13

Precision

Answer 13

A gauge of how exact a measurement is.