**Unit #1 Review**

Base your answers to questions 1 and 2 on the graph below, which shows the changes in relative humidity and air temperature during a spring day in Washington, D.C.

1. Which statement best describes the relationship between relative humidity and air temperature as shown by the graph?

(1) Relative humidity decreases as air temperature decreases.

(2) Relative humidity decreases as air temperature increases.

(3) Relative humidity increases as air temperature increases.

(4) Relative humidity remains the same as air temperature decreases.

2. What were the relative humidity and air temperature at noon on this day?

(1) 47% and 32°F

(2) 65% and 32°F

(3) 47% and 48°F

(4) 65% and 48°F

The diagram below shows the types of electromagnetic energy given off by the Sun. The shaded part of the diagram shows the approximate amount of each type actually reaching Earth’s surface.

3. Which conclusion is best supported by the diagram?

(1) All types of electromagnetic energy reach Earth’s surface.

(2) Gamma rays and x rays make up the greatest amount of electromagnetic energy reaching Earth’s surface.

(3) Visible light makes up the greatest amount of electromagnetic energy reaching Earth’s surface.

(4) Ultraviolet and infrared radiation make up the greatest amount of electromagnetic energy reaching Earth’s surface.

Base your answers to questions 4 and 5 on the graph below, which shows changes in the Sun’s magnetic activity and changes in the number of sunspots over a period of approximately 100 years. Sunspots are dark, cooler areas within the Sun’s photosphere that can be seen from Earth.

4. The graph indicates that years having the greatest number of sunspots occur

(1) randomly and unpredictably

(2) precisely at the beginning of each decade

(3) in a cyclic pattern, repeating approximately every 6 years

(4) in a cyclic pattern, repeating approximately every 11 years

5. Which graph best represents the relationship between the number of sunspots and the amount of magnetic activity in the Sun?

Base your answers to questions through on the graph below, which shows the maximum altitude of the Moon, measured by an observer located at a latitude of 43° N during June in a particular year. The names and appearance of the four major Moon phases are shown at the top of the graph, directly above the date on which the phase occurred.

6. What was the maximum altitude of the Moon on June 22?

(1) 40°

(2) 43°

(3) 46°

(4) 50°

7. Which diagram best represents the Moon’s phase observed on June 11?

8. Which terms describe both the changes in the maximum altitude of the Moon and the changes in the Moon’s phases over a period of several years?

(1) cyclic and predictable

(2) cyclic and unpredictable

(3) noncyclic and predictable

(4) noncyclic and unpredictable

The graph below shows the
relationship between mass and volume for three samples, *A,*

*
B, *
and *C, *of a given
material*.*

9. What is the density of this material?

(1) 1.0 g/cm3

(2) 5.0 g/cm3

(3) 10.0 g/cm3

(4) 20.0 g/cm3

Base your answers to questions
through on* *the diagrams below and your knowledge of Earth science. The
diagrams represent two different solid, uniform materials cut into cubes *A
*and *B*.

10.
What is the
density of cube *A*?

(1) 0.2 g/cm3

(2) 5.0 g/cm3

(3) 12.8 g/cm3

(4) 64.0 g/cm3

11.
What is the mass
of cube *B*?

(1) 3 g

(2) 9 g

(3) 27 g

(4) 81 g

**
Note that questions and have
only three choices.**

12.
Assume cube *B
*was broken into many irregularly shaped pieces. Compared to the density of
the entire cube, the density of one of the pieces would be

1 less

2 greater

3 the same

Base your answers to questions
through on*, *the diagrams below, and your knowledge of Earth science. The
diagrams represent five substances, *A *through *E, *at the same
temperature*. *Some mass, volume, and density values are indicated for each
substance. Substance *C *is a liquid in a graduated cylinder. [Note that 1
cubic centimeter = 1 milliliter. Objects are not drawn to scale.]

13.
What is the
volume of liquid *C*?

(1) 25.0 mL

(2) 50.0 mL

(3) 75.0 mL

(4) 125.0 mL

14.
What is the
volume of object *D*?

(1) 1.0 cm3

(2) 2.0 cm3

(3) 7.0 cm3

(4) 16.0 cm3

15. Which two substances could be made of the same material?

(1) *A *and *B *

(2) *B *and *E *

(3) *C *and *D*

(4) *A *and *E*

16.
Water (*W*)
was added to the graduated cylinder containing liquid *C*. Objects *A *
and *D *were then dropped into the cylinder. Which diagram most accurately
shows the resulting arrangement of these substances?

The temperature field map below represents surface air within the park is also indicated.

Which graph best represents the temperature profile along a straight line from point A to point B?

Base your answers to questions
through on topographic map below, and your knowledge of Earth science. Points
*A *through *I *are locations on the map. Elevations are shown in
meters.

The profile below represents certain locations on the map.

26. The profile represents a cross section of the landscape between points

(1) *A *and *D *(3) *C *and *A*

(2) *B *and *C *(4) *I *and *H*

27.
What is the
approximate gradient along line *BD*?

(1) 25 m/km (3) 100 m/km

(2) 50 m/km (4) 150 m/km

28. In which section of the map is the highest elevation located?

1 northeast 3 southeast

2 northwest 4 southwest

29. Which locations have the same elevation?

(1) *A *and *C *(3) *C *and *I*

(2) *B *and *E *(4) *F *and *G*

30. The contour lines crossing Deer River show that the river flows

1 northward out of Wolf Pond

2 northward into Wolf Pond

3 southward out of Wolf Pond

4 southward into Wolf Pond

Base your answers to questions
32 through 34 on the topographic map below, and your knowledge of Earth science.
Points *A*, *B*, *X*, and *Y *are locations on the map.
Elevations are shown in feet.

Base your answers to questions
35 through 44 on the topographic map below. Points *A, B, C, D, *and *X
*represent locations on the map. Elevations are measured in feet.

31.
What is the
highest possible elevation of point *X *on Rock Mountain?

(1) 1,599 ft (3) 1,601 ft

(2) 1,600 ft (4) 1,699 ft

32.
What is the
average gradient of the slope along straight line *CD*?

(1) 100 ft/mi (3) 500 ft/mi

(2) 250 ft/mi (4) 1,000 ft/mi

33. Each dot on the graph below shows the result of separate scientific studies of the relationship between the rates of erosion in regions of different relief. Relief is the local difference between the highest and the lowest elevations.

The results of these combined studies indicate that with each 100-meter increase in relief, the rate of erosion generally

(1) decreases at a rate of 10 cm/1,000 years

(2) decreases at a rate of 20 cm/1,000 years

(3) increases at a rate of 10 cm/1,000 years

(4) increases at a rate of 20 cm/1,000 years

Base your answers to questions 39 through 41 on the graph below, which shows the water levels of ocean tides measured in Boston, Massachusetts, for a 2-day period.

34. The graph shows that high tides at Boston occur approximately every

(1) 3.5 hours (3) 12.5 hours

(2) 6.0 hours (4) 16.0 hours

35. If the trends shown by the graph continue, which statement best describes the next low tide at Boston that is expected to occur on Wednesday?

(1) It will occur about 3 a.m. with a 0.4-meter water level.

(2) It will occur about 6 a.m. with a 0.6-meter water level.

(3) It will occur about 9 p.m. with a 2.6-meter water level.

(4) It will occur about 10 p.m. with a 2.8-meter water level.