Physical Science At A Glance: PS 1

The general process used by scientists to answer questions is called...

• scientific method

• constant

• chart

• volumn

Tags

NGSS.MS-PS1-2

All scientific knowledge, including theories and

laws, are based on?

• evidence

• opinions

• belief

• variables

Tags

NGSS.HS-ESS3-1

NGSS.HS-LS4-1

NGSS.HS-PS1-2

NGSS.HS-PS4-3

A __ is a well tested general

observation for repeated observations.

• theory

• hypothesis

• belief

• variable

A ____ is a statement that describes a repeated pattern in nature that occurs without exception.

• Law

• Theory

• Belief

• Hypothesis

The variable the scientist changes, the “cause”

of any observed or measured change:

• independent variable

• dependent variable

• hypothesis

• law

Tags

NGSS.MS-PS2-2

The variable that changes as a result of what

the scientist did, or the “effect”:

• independent variable

• dependent variable

• hypothesis

• law

The other possible factors that might affect the

experiment, which is kept the same by the

scientist:

• constants

• variables

• plant height

• hypothesis

What is the name for a group or trial in an experiment which does not receive treatment (the independent variable is not changed in this trial)?

• control group

• constant

• independent variable

• dependent variable

Identify the following variables in the hypothesis. “If I water my plants more frequently than once per week, they will grow taller.”

Independent variable

• frequency of watering

• plant height

• type of soil

• watered once a week

Identify the following variables in the hypothesis. “If I water my plants more frequently than once per week, they will grow taller.”

Dependent variable

• frequency of watering

• plant height

• type of soil

• watered once a week