Prologue Quiz Level Two

Answer each question by selecting the correct blue button. Only the first answer selected is graded.

1.  The map below shows the path of an ash cloud that resulted from the Mount St. Helens volcanic eruption. The map was developed from satellite photographs. The path of the ash cloud was most probably determined by:

A. hypothesis
B. inference
C. theory
D. observation

2.  The best example of an inference is a:
A. reading of atmospheric pressure
B. measurement of air temperature
C. weather forecast for 3 days
D. determination of dewpoint temperature

3.  Which statement best illustrates a classification system?
A. A glacier melts at the rate of one meter per year.
B. Ocean depths are measured by using sonar
C. Snowfall predictions for winter storms vary.
D. Stars are grouped according to their color.

4.  The sphere was dropped into water in a graduated cylinder as shown below. What is the volume of the sphere?

A. 15 ml
B. 25ml
C. 40ml
D. 65ml

5.  The temperature of water is a container was 60 degrees celsius. Ten minutes later, the water temperature was 35 degrees celsius. What is the rate of cooling of the water?
A. 25 degrees celsius/min
B. 2.5 degrees celsius/min
C. 35 degrees celsius/min
D. 3.5 degrees celsius/min

6.  A measurement is best defined as:
A. an inference made by using the human senses
B. a direct comparision with a know standard
C. an interpretation based on theory
D. a group of inferred properites

7.  A student incorrectly measured the volume of amineral sample as 63 cubic centimeters. The actual volume was 72 cubic centimeters. What was the students's approximate percent deviation (percentage of error)?
A. 9.0%
B. 12.5%
C. 14.2%
D. 15.3%

8.  As air on the surface of Earth warms, the density of the air:
A. decreases
B. increases
C. remains the same
D. increase then remain the same

9.  The graph below shows the relationship between mass and volume for three samples, A, B, and C, of a given material. What is the density of this material?

A. 1.0 gram per cubic centimeter
B. 5.0 grams per cubic centimeter
C. 10.0 grams per cubic centimeter
D. 20.0 grams per cubic centimeter

10.  Ocean tides are best described as:
A. unpredictable and cyclic
B. unpredictable and noncyclic
C. predictable and cyclic
D. predictable and noncyclic

Grade exam.