1. FINAL REVIEW: SKILLS & GRAPHING I
The graph below shows the water levels that
result from tidal action over a 24-hour period.
3. The items listed below were found in a science
classroom.
• a plastic heart with many of its parts labeled
• clay formed to look like Earth and other planets
• a giant plastic plant cell with removable cell parts
These items are all examples of:
(1) models (3) variables
(2) experiments (4) controls
4. Which of the organisms shown below consists of
only one cell?
What was the approximate height of the water on
the tide marker at 6 p.m.?
(1) 4.3 ft (3) 8.5 ft
(2) 5.4 ft (4) ft .
(1) pine tree (3) mushroom
(2) ameba (4) earthworm

2. 5. The diagram below shows a student making a
wet-mount slide.
2. The diagram below shows a tall beaker with four
different liquids and their densities.
Why should the student make sure the edge of the
coverslip touches the drop of water before setting
the coverslip onto the slide?
(1) to increase evaporation (3) to reduce air bubbles
(2) to clean the slide (4) to prevent breakage
6. A change in the environment that causes a
response is known as a
(1) stimulus (3) reflex
(2) habit (4) source
7. The energy obtained from food is measured in
units called
(1) watts (3) degrees
(2) Calories (4) pounds
If a ball that has a density of 1.73 g/cm3 is placed in
the beaker, where will the ball come to rest?
(1) on top of liquid A
(2) between liquids B and C
(3) between liquids C and D
(4) on the bottom of the beaker

3. THE SOLID CHANGED PHASE (MELTED)
*Base your answers to questions 8-12 on the experiment described below.
Heat was applied at a constant rate to a solid substance under controlled conditions. The temperature of the
substance was recorded every 3 minutes. These data are recorded in the table below.
8. Use the grid above to construct a line
graph from the data in the table. Follow the
steps below.
a. Use Xs to plot the data for time & temperature.
b. Draw a line that connects the Xs.
9. Title the graph. _________________________
10. What would the temperature of the substance
be at 23 minutes? °C
11. What is the independent (manipulated)
variable in this experiment? __________________
12. If heat was added at a constant rate, why did
the temperature remain at 16°C for 6 minutes?
_________________________________________
TIME VS. TEMPERATURE 30
TIME
THE SOLID CHANGED PHASE (MELTED)

4. 13. A student wants to design a controlled experiment to solve
the following problem:
When placed in a freezer, will
hot water or cold water reach
0°C faster? The student plans
to place two containers with
equal masses of water (one hot &
one cold) in the same freezer in
the classroom.
a. List three conditions that should
be constant for the hot water & cold
water setups.
b. For each condition, give a reason
why the condition needs to be the same
for both the hot water & cold water setups.
SAME FREEZER
TO ENSURE THE SAME TEMPERATURE.
EQUAL AMOUNT OF WATER
LESS WATER WILL FREEZE FASTER.
SAME CONTAINER
ENSURE THE SAME DIMENSION OF THE ICE.

5. *Base your answers to questions 14-16 on
the graph which shows average yearly
temperatures for Earth from 1900 to 1990.
14. Describe what happened to the average
yearly temperature on Earth from 1970 to 1990.
Give one possible reason why this change occurred.
_________________________________________
15. What was the lowest average yearly temperature
in the period of time shown? __________°F
16. In which 10-year time interval did the average
yearly temperature show both an increase and a decrease?
1915– (2) 1925–1935
(3) 1945– (4) 1975–1985
GLOBAL WARMING & ENVIRONMENTAL CHANGE
56.3

6. Identify the independent (manipulated) variable in the experiment.
17. A student goes skateboarding a few times a week. The student notices that she can go faster while skating
on some level surfaces than on others. She hypothesizes that speed has something to do with the surface she is
skating on. The student wants to design an experiment to test this hypothesis.
Identify the independent (manipulated) variable in the experiment.
_____________________________________________________
THE SURFACES SKATED ON.
b. Identify the dependent (responding) variable in the experiment.
__________________________________________________
c. Identify two factors that will need to be held constant in the experiment.
(1) __________________________________ (2) __________________________
HOW FAST SHE TRAVELS.
THE SKATER, THE BOARD, THE DISTANCE.
THE CONDITIONS, ETC…

7. ALL CONDITIONS MUST BE EQUAL TO REDUCE ANY ERRORS.
*Base your answers to questions 65 and 66 on the information and on the diagram below. A student set up the
experiment below to learn about plant growth. The student added a different amount of water to four
identical containers, each containing four seeds in 100 cubic centimeters of soil. All of the containers
were placed in the same sunny location.
18. State a hypothesis being tested in this experiment.
______________________________________________
19. a. Identify one constant.
b. Explain why this variable needs to be constant.
_____________________________________________
IF WATER HELPS SEEDS GROW, THEN CHANGING THE AMOUNT OF WATER GIVEN TO SEEDS WILL AFFECT THEIR GROWTH.
NUMBER OF SEEDS, AMOUNT OF SOIL, TYPE OF SOIL, AMOUNT OF SUN, SAME CONTAINER, TIMING OF WATER
ALL CONDITIONS MUST BE EQUAL TO REDUCE ANY ERRORS.

8. *Base your answers to questions 20-21 on the
Information below that shows temperature
readings recorded every minute while a
substance was being heated at a constant rate.
The material was a solid before heating & a
hot liquid after 7 minutes of heating.
Give the graph a title.
TIME VS. TEMPERATURE
Time (min)
Temp (oC) 22 1 35 2 53 3 4 5 6 58 7 65
20. Construct a line graph from the data table.
21. At what temperature did a phase change take place?
(1) 35°C (3) 58°C
(2) 53°C (4) 65°C

9. Date: _________ & Time: __________
22. Diagram-A below shows a spring scale being used to weigh a 100-gram mass. Which diagram (1-4) best
represents the correct reading for the same spring scale being used to weigh a 200-gram mass?
23. The table below shows the dates and the times of high and low ocean tides in a certain location. The data
show a cyclic pattern. From the data, predict the date/time of the next low tide.
Date: _________ & Time: __________
May 7
2:46 pm

10. United States. Earthquake activity is indicated by dots.
*Base your answers to questions on the map below which shows earthquake activity in and around the
United States. Earthquake activity is indicated by dots.
24. State one reason that there are more earthquakes in the western section of the area shown on the map.
__________________________________________
25. According to the map, what is the latitude and longitude of the location at letter X?
Latitude: _____________
Longitude: ______________
26. List two actions that would be included in an earthquake emergency plan.
(1) _______________________________________
(2)________________________________________
PLATE BOUNDARY, FAULT LINE, RING OF FIRE.
400 N
1100 W
ESCAPE ROUTE, MEETING PLACE, FIRST AID SUPPLIES, FOOD & WATER, ETC….

11. *Base your answers to questions 27-30 on the information below.
A student determined that shaking a container of sand caused the temperature of the sand to rise. The student then performed a new experiment to see if shaking a container of pebbles would cause the temperature of the pebbles to rise.
27. Explain why the shaking caused the temperature of the sand to rise. 
________________________________________________________________________________________________________________________________________
28. Write a hypothesis for the new experiment.
_______________________________________________________________________________________________________________________________________
29. Identify the independent (manipulated) variable in the experiments.
______________________________________________________________________________________________________________________________________
30. Identify the dependent (responding) variable in the new experiment.
FRICTION BETWEEN THE SAND GRAINS.
IF SHAKING CAUSES SAND GRAIN TEMPERATURE TO RISE, THEN USING PEBBLES WILL ALSO CAUSE THEIR TEMPERATURE TO RISE.
THE SEDIMENT (SAND OR PEBBLES).
HOW HIGH TE TEMPERATURE RISES.
31. Which instrument could be used to determine the volume of an irregularly shaped solid?

12. X 32. The diagram below shows milk being poured
into a measuring cup.
35. On the world map below, place an X so that its center represents the location at 40° N and 80° E.
Which property of the milk can be directly measured
using the cup?
(1) mass (3) solubility
(2) density (4) volume
33. The diagram below shows a ball held in place
by two blocks. The diameter (width) of the ball is
shown between the two blocks. X
What is the diameter of the ball?
(1) 6.0 cm (3) cm
(2) 8.0 cm (4) cm

13. 36. The data table below shows the mass of an 800 g
block of ice as it melts to a 600 g block of ice.
34. Which graph shows that more grams of a
substance can be dissolved in water as the water
temperature increases?
If the current rate of melting continues, how many
more minutes will be required for the 600- gram
block of ice to reach a mass of 400 grams?
(1) (2) (3) (4) 60
37. The diagram below
shows a simple microscope.
Parts of the microscope
are labeled A, B, C,&D.
Which part of the
microscope is used
to bring the image of
the object on the slide
into focus?
(1) A (3) C
(2) B (4) D

14. 38. All matter is made up of particles called
(1) cells (3) atoms
(2) molecules (4) compounds
39. The longitude of a location determines which
time zone it is in. Different time zones are the
result of the
(1) Earth’s rotation (3) Earth’s revolution
(2) Moon’s rotation (4) Moon’s revolution
40. One important difference between living things
& nonliving things is that only living things have
(1) compounds (3) molecules
(2) elements (4) cells
41. To survive, all organisms must have
(1) chlorophyll (3) energy
(2) carbon dioxide (4) blood
44. Which term identifies a group of cells that work
together to perform a similar function?
(1) molecule (2) organ (3) organism (4) tissue
45. Organisms that consume wastes to obtain the
nutrients they need to survive are classified as
(1) decomposers (3) predators
(2) herbivores (4) producers
46. The diagram below shows a life process taking
place within a cell.
Which life process is shown?
(1) reproduction (3) respiration
(2) digestion (4) locomotion

15. 43. The diagram shows a triple-beam balance
47. The diagram below shows 20 grams of two different materials, A and B, on a laboratory balance.
42. The diagram below shows a rock being placed
in a graduated cylinder containing water.
What is the volume of
the rock?
Note: 1 mL = 1 cm3.
Compared to material A, material B has a different
(1) density (2) phase (3) mass (4) shape
48. The diagram shows water in a graduated cylinder.
Volume = __________
10 mL
A student states that the graduated cylinder contains 150 mL of water. This statement is
a prediction (3) a theory
an observation (4) a hypothesis
43. The diagram shows a triple-beam balance
49. Organisms that consume wastes to obtain the
nutrients they need to survive are classified as
(1) decomposers (3) predators
(2) herbivores (4) producers
50. Which term identifies a group of cells that work
together to perform a similar function?
(1) molecule (3) organism
(2) organ (4) tissue
What is the maximum mass, in grams, that
could be measured by this balance?
(1) (3) 610
(2) (4)

16. 51. The diagram below shows views of the same
*Base your answers to questions on the information & diagram. A student was studying a prepared slide of cells under a microscope. The diagram represents what the student observed on the slide at a magnification of 100×.
51. The diagram below shows views of the same
cells observed under a compound microscope
before and after a laboratory procedure.
54. Identify the shaded structure shown in each cell.
__________________________________________
55. Draw what the student would see if the cells were
viewed under 400× magnification with the same
microscope in the circle above.
What did the student most likely do to cause
the difference between the two views?
(1) increased the magnification
(2) decreased the magnification
(3) added stain to the cells
(4) added water to the cells
THE NUCLEUS

17. *Base your answers to questions 52-53 on the
diagram that shows an overhead view of two trains,
A and B, traveling beside each other in the direction
of the arrow.
56. The chart shows the inferred evolution of some dinosaurs during three time periods in Earth’s history.
52. When a passenger in train A looks at a passenger
directly across in train B, it appears that train B is not
moving, even though both trains are moving. How
does the speed of train A compare to train B?
________________________________________
53. What visual evidence observed by the passengers
in either train lets them know that their train is
moving in the direction indicated by the arrow?
_________________________________________
Which dinosaur most likely evolved from Coelophysis?
(1) Theodont (3) Tyrannosaurus (2) Triceratops (4) Camptosaurus
57. The diagram below shows four organisms.
THEY ARE MOVING AT THE SAME SPEED.
Which organisms above belong to the same kingdom?
___________________________________________
PASSING THE TREES OUTSIDE.
THE BIRD & SHARK= ANIMAL KINGDOM

18. 58. What is the relationship between the average
mass of males and their age?
59. Construct a line graph on the grid below. Using
an X for each point, plot the data for the age and
average height of females. Connect the Xs with a line.
*Base your answers to questions on the data
table that shows the average height in centimeters &
average mass in kilograms for students age 8-16
years old in the United States in 1994.
AS AGE INCREASES, MASS INCREASES.

19. 60. What was the purpose of test tube A in this
*Base your answers to question 60 on the information below. An experiment was conducted to observe
the effects of acid on chalk, a form of calcium carbonate. Three pieces of chalk were carved with the same
pattern and placed in test tubes A, B, and C. Equal volumes of water were added to test tubes A and B.
The student blew through a straw into test tube B for five minutes, producing bubbles. An equal volume of
vinegar (acetic acid) was added to test tube C and bubbles were produced.
60. What was the purpose of test tube A in this
experiment? ____________________________
The next day, the student observed and recorded
the results shown in the data table.
CONTROL

20. 61. The graph below represents the relationship between the amount of spring rainfall recorded at a pond
and the number of frogs in that pond over 5 spring seasons.
What is the difference between the number of frogs in the pond when the rainfall was 5 cm and when
the rainfall was 20 cm?
(1) (2) (3) (4) 60

21. of time, in seconds, for one complete swing of the pendulum.
*Base your answers to questions on the diagram and information below that shows a ball hung on a
string to create a pendulum. The pendulum’s period and angle of release are shown. The period is the length
of time, in seconds, for one complete swing of the pendulum.
Three different investigations to determine the period of a swinging pendulum are described below.
• In investigation 1, the pendulum was released at different angles. The length of string and mass of the ball were the same for each angle.
• In investigation 2, different lengths of string were used. The angle of release and mass of the ball were the same for each length.
• In investigation 3, balls of different masses were used. The angle of release and length of string were the same for each mass.
The data tables below show the results of the three investigations.
62. Circle the graph above that best represents the relationship shown by the data in investigation 1.
63. Determine the most likely length of the string used in investigation 3 based on the data provided in investigation 2.
Answer: _______________
29 cm