24/25 Physics Midterm Review

Variables that you must manage and keep the same for each test group.

• constant

• dependent variable

• independent variable

• None of the above

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

The variable that is manipulated or changed on purpose is the ___________.

• constant

• dependent variable

• independent variable

• control

Tags

NGSS.MS-PS3-4

The variable being tested, counted, or measured that responds to the independent variable is known as the ___________.

• constant

• dependent variable

• independent variable

• control

Tags

NGSS.MS-PS2-2

When making a measurement, the significant digits consist of all the known digits ___________.

• only

• plus one estimated digit

• plus two estimated digits

Write the diameter of a carbon atom in standard notation. 1.54 x 10^-10 m

• 15,400,000,000 m

• 0.000000000154 m

• 0.0000000154 m

• 0.00154 m

Write 6,700m in scientific notation.

• 6.7 x 10^-3

• 6.7 x 10^3

• 67 x 10^-2

• 67 x 10^2

Write 0.038 m in scientific notation.

• 3.8 x 10^-2

• 3.8 x 10^2

• 38 x 10^-3

• 38 x 10^3

Write 0.000972 in scientific notation.

• 9.72 x 10^4

• 9.72 x 10^-4

• 97.2 x 10^3

• 97.2 x 10^-3

How many significant digits are there in 2.56 x 10^7 g?

• 3

• 4

• 5

• 6

How many significant digits are there in 4000 seconds?

• 1

• 2

• 3

• 4