Middle School Life Science

Which of the following is a way that scientists communicate their results to others?

• speak at a conference

• write scientific articles

• exchange information on the internet

• all of the above

Which of the following describes a pattern or an event in nature that is always true?

• scientific law

• scientific theory

• scientific experiment

• scientific truth

An explanation of observations of events based on knowledge gained from many observations and investigations is ________.

• scientific law

• scientific theory

• scientific experiment

• scientific truth

A science journal is a tool where observation are recorded and organized.

• true

• false

__________ is a prediction or statement that can be tested.

• Technology

• Science

• Hypothesis

• SI

Tags

NGSS.MS-LS1-5

What is the factor measured or observed during an experiment?

• test variable

• outcome variable

• constant

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

What is the factor in an experiment that is manipulated or changed by the investigator?

• test variable

• outcome variable

• constant

Tags

NGSS.MS-PS2-2

What are the factors in an experiment that remain the same?

• test variable

• outcome variable

• constant

Life science is a branch of science.

• true

• false

A _____________ is a testable prediction.

• educated guess

• hypothesis

• control

Tags

NGSS.MS-LS1-5