Chapter 3 Test Review

Random #1

100

What is the degree of hotness or coldness of an object?

Temperature

200

What is the formula to find density?

Density = Mass/Volume

300

A student measures a volume as 25 mL, whereas the correct volume is 23 mL. What is the percent error?

0.087%, 0.92%, 8.7%, 8.0%

8.7%

400

What is the answer for the following operation to the correct significant figures?(1.1 x 10⁵) - (4.3 x 10⁴)

6.7 x 10⁴

500

What is the answer for the following operation to the correct significant figures?

(8.74 x 10⁹) / (4.2 x 10^-6)

2.08 x 10¹⁵

Vocabulary

100

What term describes how close a single measurement comes to the actual value?

Accuracy

200

What is the SI base unit of length?

Meter

300

What do we call the mass of 1 L of water at 4°C?

1 Kilogram

400

What is a measure of the pull on a given mass by Earth’s gravity?

Weight

500

What is the term for a ratio of equivalent measures?

Conversion Factor

Scientific Notation / Density

100

What is the scientific notation for 0.000 008 62?

8.62 x 10^-6

200

What does the measurement (4.06 x 10^-5g) represent?

0.000 040 6 g 

300

Which of the following is the largest number: 

1.80 x 10^-4

1.80 x 10^-6

1.80 x 10^-2

1.80 x 10^-8

1.80 x 10^-2

400

What is the volume of 25.0 g of copper if the density of copper is (8.9 g/cm3)?

2.8 cm³

500

What is the mass of 72 cm³ of silver if the density of silver is (10.5 g/cm³)?

756 g (760 g) on test

Significant Figures

100

How many significant figures are in the measurement 603.040 g?

6

200

How many of the zeros in the measurement (0.050 060 m) are significant?

3

300

Which measurement is expressed to four significant figures:

 0.108 m, 16.530 m, and 2.6 x 10⁴ m, and 5.300 x 10^-7 m

5.300 x 10^-7 m

400

What is the answer for the following operation to the correct significant figures?(4.3 x 10⁸) + (2.0 x 10⁶)

4.32 x 10⁸

500

What is the answer for the following operation to the correct significant figures?

(5.6 x 10⁷) x (3.60 x 10^-2)

2.016 x 10⁶

Random #2

100

What is the Kelvin equivalent of water boiling at (100°C)?

373 K

200

What is the Celsius equivalent of (50 K)?

-223^oC

300

What is a way to analyze and solve problems, using the units of a measurement?

Dimensional Analysis

400

What is the volume of a cube 10cm on each edge?

1 liter

500

How close several measurements are to each other is called?

Precision