Exam Practice Test

The item that should be plotted on the x-axis of a line graph for this experiment would be:

• Independent variable

• dependant variable

• constant

• control

Tags

NGSS.MS-PS2-2

Which of the following is a dependent variable in an experiment?

• The variable that is measured

• The variable that is changed

• The variable that is kept constant

• The variable that is controlled

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

In a scientific experiment, what is the purpose of a control group?

• To serve as a standard for comparison

• To introduce a new variable

• To change the outcome of the experiment

• To measure the dependent variable

Which of the following best describes an independent variable?

• The variable that is manipulated

• The variable that is measured

• The variable that is kept constant

• The variable that is controlled

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

Convert 556 cm to meters:

• 55.6 meters
• 0.556 meters
• 5.56 meters
• 5560 meters

345mg=________g

• 34.5
• .345

Convert 5 kilometers to meters.

• 500 m

• 5000 m

• 50 m

• 0.5 m

The metric unit of measurement for length is the: 

• gram
• liter 
• meter
• cm

A set of data are all close in value to each other, but they are not close to the actual value. This set of data can be described as _________________.

• precise

• accurate

How would you write 564,000,000 in scientific notation?

• 5.64 x 10^-7
• 5.64 x 10⁶
• 5.64 x 10⁸
• 56.4 x 10⁷