__________ _______ refers to the diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather.

Scientific inquiry often begins with a problem or question about an observation.

• True

• False

A __________ is a possible explanation for a set of observations or answer to a scientific question.

In science, a hypothesis must be testable

• True

• False

Tags

NGSS.MS-PS1-2

What does it mean for a hypothesis to be testable?

Tags

NGSS.MS-PS1-2

Many trails are needed before a hypothesis can be accepted as true.

• True

• False

Tags

NGSS.MS-LS1-5

An experiment in which only one variable is manipulated at a time is called a __________ __________.

The one variable that is purposely changed to test a hypothesis is called the

• manipulated variable

• dependent variable

• responding variable

• independent variable

Tags

NGSS.MS-PS2-2

The factor that may change in response to the manipulated variable is called the

• manipulated variable

• dependent variable

• responding variable

• independent variable

Tags

NGSS.MS-PS2-2

An ___________ __________ is a statement that describes how to measure a variable or define a term.