Measurements Quiz Review

Units and Sig Figs Practice

by Melissa Smith

Multiple Choice

The metric unit for mass is _________.

• Pounds

• Inches

• grams

• Ounces

Fill in the Blanks

Fill in the Blanks

Multiple Choice

___________ measures the space matter occupies.

• mass

• volume

• length

• kilogram

Multiple Choice

The unit of length that chemists most often use is.....

• centimeter

• kilometer

• liter

• milliliter

Multiple Choice

All nonzero digits are significant.

• true

• false

Multiple Choice

A zero in front of a decimal is significant.

• true

• false

Multiple Choice

A zero at the end of a decimal is significant.

• true

• false

Multiple Choice

Coefficients of numbers written in scientific notation are significant.

• true

• false

Multiple Choice

Which has two significant digits?

• 0.02

• 2 x 10^2

• 20

• 20.

Multiple Choice

What type of relationship does the line of this graph show?

• direct

• dependent

• independent

• inverse

Multiple Choice

What is the independent varible in this experiment?

• concentration

• time

Multiple Choice

3.428 x 10^-4

• 34,280

• 0.0003428

• 0.00003428

• 3,428

Multiple Choice

7,500,000

• 7.5 x 10⁶

• 7.5 x 10^-6

• 7.5 x 10⁵

• 7.5 x 10⁷

Multiple Choice

round to 3 sig figs: 79.999

• 79.9

• 80

• 80.0