The Nature of Science 1

Of the following, the only unit that cannot be used to express volume is

• mL
• kg
• L
• cm³

Of the following, the most correct way to express density is

• kg/cm³.
• g/m.
• g/cm³.
• g/cm

A unit of measurement that is obtained by combining other units is a

• derived unit.
• metric unit.
• standard unit.
• dependent unit.

In a graph showing how the temperature of a material changes over time, temperature change is the 

• variable with the smallest range.
• variable with the largest range.
• dependent variable.
• independent variable.

Tags

NGSS.MS-PS3-1

The type of graph that would be used to show how some fixed quantity is broken down into parts is a 

• table.
• line graph.
• circle graph.
• bar graph.

In a graph, the variable on the horizontal axis is the 

• variable with the largest range
• variable with the smallest range
• dependent variable
• independent variable

Tags

NGSS.MS-PS3-1

The correct symbol for the SI unit of temperature is 

• K
• ^oK
• C
• ^oC

A measurement standard is defined as

• the interval between two events.
• an exact quantity people agree to use for comparison.
• the distance between two points.
• a system of prefixes.

In an experiment to determine if the popping of popcorn is affected by the temperature at which it is stored, counting the popped kernels is an example of a(n) 

• observation.
• control.
• conclusion.
• hypothesis.

Tags

NGSS.MS-PS3-4

The lightbulb is an example of

• an exercise.
• technology.
• a dependent variable.
• pure science.

Tags

NGSS.HS-PS3-3