Physical Sci Chap 1

Question 1

A possible answer to a question or a possible solution to a problem based on what you know and observe.

Answer 1

Hypothesis

Question 2

Tests the effect of one thing on another using a control.

Answer 2

Experiment

Question 3

Can have more than a single value.

Answer 3

Variable

Question 4

Changes according to changes in other variables.

Answer 4

Dependent Variable

Question 5

Changed to see how it will affect the dependent variable.

Answer 5

Independent Variable

Question 6

A factor that does not change.

Answer 6

Constant

Question 7

The standard by which tests results can be compared.

Answer 7

Control

Question 8

Occurs expectations change how results are analyzed or conclusions are formed. Scientists must minimize bias in their investigations.

Answer 8

Bias

Question 9

Represents an idea, event, or object to help people better understand it.

Answer 9

Model

Question 10

An explanation based on knowledge gained from many observations and investigations.

Answer 10

Scientific Theory

Question 11

Is a statement about what happens in nature and that seems to be true all the time.

Answer 11

Scientific Law