Name:    Unit 1 Quiz

Matching

Match each item with the correct statement below.
 a. accuracy e. mass b. Kelvin temperature scale f. absolute zero c. Celsius temperature scale g. volume d. weight h. precision

1.

the closeness to true or accepted value

2.

the force of gravity on an object

3.

to reproduce a range of measurements that are close together

4.

the SI scale for temperature

5.

the amount of matter an object contains

6.

the amount of space an object occupies.

7.

based on the freezing and boiling points of water

8.

the lowest point on the Kelvin temperature scale

Multiple Choice
Identify the choice that best completes the statement or answers the question.

9.

On the Celsius scale, at what temperature does water freeze?
 a. 32° c. 100° b. 212° d. 0°

10.

How many meters are there in 1,865 cm?
 a. 186.5 b. 18.65 c. 0.1865 d. 1.865

11.

The SI unit that is used to measure time is the ____.
 a. kelvin c. second b. kilogram d. meter

12.

Which of the following is an example of a safe laboratory procedure?
 a. eating or drinking from laboratory glassware b. tying back long hair and loose clothing c. testing an odor by directly inhaling the vapor d. touching hot objects with your bare hands

13.

0.25 g =  ____________ mg
 a. 0.025 b. 2500 c. 250 d. 0.25

14.

The accepted value is 15.63. Which correctly describes this student’s experimental data?
 Trial Measurement 1 12.84 2 13.02 3 12.96
 a. precise but not accurate c. neither accurate nor precise b. accurate but not precise d. both accurate and precise

15.

A volume of 1 milliliter is equivalent to
 a. 1 gram. b. 1 cm3 c. 10 L3 d. 0.5 L

16.

The relationship between the mass m of a material, its volume V, and its density D is
 a. D = V/m. c. D = m/V. b. D = mV. d. D = m + v.

17.

A box is 25 cm long, 6 cm wide, and 4 cm high. How many cm3 of water can it hold?
 a. 600 b. 150 c. 24 d. 25

18.

What is the quantity 624.3 10 expressed in CORRECT scientific notaion?
 a. 62.43 10 c. 6.243 10 b. 6.243 10 d. it is already in the correct format.

19.

What is the quantity 3.5 10 expressed in standard form?
 a. 0.0035 c. 35000 b. 0.035 d. 3500

20.

When designing an experiment, the first step is to ____.
 a. state the problem c. list a procedure b. state a hypothesis d. analyze the data

21.

The diameter of a carbon atom is 0.000 000 000 154 m. What is this number expressed in scientific notation?
 a. 1.54 10 m c. 1.54 10 m b. 1.54 10 m d. 1.54 10 m

22.

Which of the following observations is qualitative?
 a. A chemical reaction was complete in 2.3 seconds. b. It is cold outside. c. The solid had a mass of 23.4 grams. d. The pH of a liquid was 5.

23.

1.06 L= ___________ hl
 a. 1060 c. 10.6 b. 0.0106 d. 0.001 06

24.

A beaker contains 0.32 L of water. What is the volume of this water in milliliters?
 a. 3.2 mL b. 32 mL c. 0.32 mL d. 320 mL

25.

Which is the correct conversion for a temperature of 67.3°C?
 a. -205.7 K c. 19.6° F b. 153.1° F d. 121.1° F

26.

Objects with a density ________ 1.0 will float in pure water?
 a. less than c. equal to b. greater than d. I have no clue.

27.

Which of the following observations is quantitative?
 a. The liquid is cloudy. b. Room temperature is about 25°C. c. The liquid tastes bitter. d. The liquid turns blue litmus paper red.

28.

Which is the correct measurement for location marked by the arrow?
 a. 50.2 c. 51.8 b. 52 d. 51

29.

The symbols for units of length in order from largest to smallest are
 a. mm, m, cm, km. c. km, mm, cm, m. b. km, m, cm, mm. d. m, cm, mm, km.

30.

The process of using a graduated cylinder to find the volume of an irregular solid is called the ____ method.
 a. Foster’s c. displacement b. none of these are correct d. scientific