Name: 
 

6th Grade Midterm Review Day 1



Completion
Complete each statement.
 
 
Unscramble the letters to form the correct term for each definition.
 

 1. 

iicitfcens oherty: an attempt to explain a pattern in nature ____________________
 

 

 2. 

leomd: a tool for understanding the natural world ____________________
 

 

 3. 

ccefiiinst awl: a rule to explain a pattern in nature ____________________
 

 

 4. 

nastscotn: the variables in an experiment that stay the same ____________________
 

 

 5. 

eifl eeiccns: the study of living systems ____________________
 

 

 6. 

semyts: a collection of structures that relate to one another ____________________
 

 

 7. 

nienfrcees: attempts at explanations of what is seen ____________________
 

 

 8. 

itaccril ignkhitn: using knowledge and thinking skills to decide if you agree with an explanation ____________________
 

 

 9. 

cnothlgyoe: the application of knowledge learned through science ____________________
 

 

 10. 

aibvrale: the factor that can be changed in an experiment ____________________
 

 

 11. 

ocnroledlt xermeentip: observing the effect of one thing while keeping all other things constant ____________________
 

 

 12. 

ssyhtpoeih: a prediction about a problem that can be tested ____________________
 

 

 13. 

inccese: a process used to investigate the world around you ____________________
 

 
 
Complete the following sentences using the terms listed below. Some terms will not be used.
Earth science
computer model
physical science
inference
theory
idea model
 

 14. 

A(n) ____________________ is one that cannot be touched but can be seen.
 

 

 15. 

A(n) ____________________ is a reasonable and educated guess based on what you know and what you observe.
 

 

 16. 

The study of nonliving things such as rocks, soil, planets, and stars is called ____________________.
 

 

 17. 

A(n) ____________________ could never be built as a physical model.
 

 

 18. 

Einstein’s famous equation E = mc2 is a(n) ____________________.
 

 

 19. 

A conclusion based on observations is a(n) ____________________.
 

 

 20. 

____________________ is a measurement of force. (Mass, Volume, Weight)
 

 

 21. 

One kelvin difference in temperature is ____________________  one degree Celsius difference in temperature. (greater than, equal to, less than)
 

 

 22. 

On a circle graph, a section with an angle measuring 180° represents ____________________ of the whole. (18%, 50%, 90%)
 

 
 
Classify the following changes as physical or chemical.
 

 23. 

Dew on a windshield changes to frost.
 

 

 24. 

A pencil becomes shorter after sharpening.
 

 

 25. 

Magnesium metal burns and becomes a white powder.
 

 

 26. 

A pine log is cut into boards.
 

 

 27. 

Apple cider becomes vinegar.
 

 

 28. 

a balloon expands as it becomes warmer
 

 

 29. 

a soda bubbles and foams when you open it
 

 

 30. 

milk sours
 

 

 31. 

a substance changes color
 

 

 32. 

developing a photograph
 

 

 33. 

butter hardens after being in the refrigerator
 

 

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

 34. 

____ is a process used to investigate the world around you.
a.
Drawing conclusions
c.
Cataloging
b.
Memorizing
d.
Science
 

 35. 

A collection of structures that relate to one another is a ____.
a.
sequence
c.
model
b.
system
d.
hypothesis
 

 36. 

A hypothesis is a reasonable and educated ____.
a.
test
c.
guess
b.
scientist
d.
experiment
 

 37. 

A ____ is a prediction about a problem that can be tested to find out if it is true or not.
a.
theory
c.
comparison
b.
control
d.
hypothesis
 

 38. 

To test a hypothesis, a scientist could conduct a(n) ____.
a.
observation
c.
environment
b.
experiment
d.
inference
 

 39. 

Scientists can organize their observations using ____.
a.
charts
c.
tables
b.
graphs
d.
all of these
 

 40. 

____ is the application of knowledge learned through science.
a.
Testing
c.
Observing
b.
Experimenting
d.
Technology
 

 41. 

Scientists use technology to ____.
a.
draw conclusions
c.
solve specific problems
b.
recognize problems
d.
create new theories
 

 42. 

____ models are concepts that describe how someone thinks about something in the natural world.
a.
Idea
c.
Physical
b.
Computer
d.
none of these
 

 43. 

The results of an experiment must be ____.
a.
reproducible
c.
kept secret
b.
unreproducible
d.
accepted right away
 

 44. 

The ability to use knowledge to decide if you agree with an explanation is called ____.
a.
science
c.
inferring
b.
critical thinking
d.
observing
 

 45. 

Scientific ____ are used in evaluating advertisements.
a.
theories
c.
hypotheses
b.
processes
d.
variables
 

 46. 

Inferences or ____ of what is observed help scientists modify an experiment or procedure.
a.
tests
c.
questions
b.
explanations
d.
contrasts
 

 47. 

A rule that describes a pattern in nature is called a(n) ____.
a.
scientific law
c.
hypothesis
b.
scientific theory
d.
inference
 

 48. 

One of the reasons for using models is to ____.
a.
communicate
c.
save time, money, and lives
b.
test predictions
d.
all of the above
 

 49. 

A pitcher holds 1.725 L. What is the capacity of the pitcher to the nearest liter?
a.
1 L
c.
1.7 L
b.
1.73 L
d.
2 L
 

 50. 

Which unit would you use to measure the length of a mailbox?
a.
nanometer
c.
meter
b.
centimeter
d.
kilometer
 

 51. 

The temperature on a spring day is 18°C. To the nearest whole number, what is the temperature in kelvins?
a.
291K
c.
-229K
b.
255K
d.
-255K
 

 52. 

A scale is marked in tenths of a kilogram. To what precision can the mass of a bag of apples be measured?
a.
the nearest tenth of a kilogram
c.
the nearest kilogram
b.
the nearest one-half kilogram
d.
the nearest ten kilograms
 

 53. 

Which of the following is NOT a measurement?
a.
age
c.
weight
b.
shoe size
d.
eye color
 

 54. 

Which multiplier would you use to convert 1.9 km to meters?
a.
1000
c.
1/100
b.
10
d.
1/1000
 

 55. 

Which unit would you use to measure the distance from Dallas, Texas, to Memphis, Tennessee?
a.
light years
c.
meter
b.
kilometer
d.
centimeter
 

 56. 

Suppose you traveled to Mars. Compare your weight and your mass on Mars to your weight and mass on Earth.
a.
Both your weight and mass would remain the same.
b.
Your weight would remain the same, your mass would change.
c.
Your weight would change, your mass would remain the same.
d.
Both your weight and your mass would change.
 

 57. 

A digital thermometer shows the temperature as 21.2°C. The thermometer is precise to the nearest ____.
a.
10°
c.
0.1°
b.
d.
0.01°
 

 58. 

A baseball is pitched at 148 km per hour. Which term describes this measurement?
a.
scale
c.
volume
b.
base unit
d.
rate
 

 59. 

What property of an object is measured in grams?
a.
volume
c.
mass
b.
capacity
d.
weight
 

 60. 

A section of a circle graph measures 180°. What percent of a circle graph is this section?
a.
18%
c.
80%
b.
50%
d.
100%
 

 61. 

What unit would you use to measure the area of a carpet?
a.
meters
c.
cubic centimeters
b.
square meters
d.
square kilograms
 

 62. 

Which graph would best show what percent of your class wears glasses?
a.
bar graph
c.
line graph
b.
circle graph
d.
any of these graphs
 

 63. 

Data in a table is organized ____.
a.
from greatest to least
c.
in rows and columns
b.
to the greatest precision
d.
all of these
 

 64. 

What unit would you use to measure the length of a carpet?
a.
meters
c.
kilograms
b.
kilometers
d.
liters
 

 65. 

Which is a reasonable estimate of the length around your wrist?
a.
8 mm
c.
36 km
b.
20 cm
d.
58 nm
 

 66. 

Which is the symbol for the SI unit of temperature?
a.
K
c.
°K
b.
°T
d.
°F
 

 67. 

How would you calculate the angle to show 20% in a circle graph?
a.
0.20 mc067-1.jpg 180
c.
0.20 mc067-3.jpg 180
b.
360 mc067-2.jpg 0.20
d.
0.20 mc067-4.jpg 360
 

 68. 

Which is NOT an SI unit?
a.
kilograms
c.
ounce
b.
decimeter
d.
millimeter
 

Modified True/False
Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.
 

 69. 

Anyone can make a scientific discovery. _________________________

 

 70. 

Scientists may conduct an experiment in trying to answer a question. _________________________

 

 71. 

A prediction is a statement based on the results of an experiment. _________________________

 

 72. 

In an experiment, the variable that does not change is called the variable. _________________________

 

 73. 

An experiment must be repeatable. _________________________

 

 74. 

A scientist uses a hypothesis to determine if she believes evidence. _________________________

 

 75. 

Computer models can be touched. _________________________

 

 76. 

Technology is the outcome of what has been learned through science. _________________________

 

 77. 

Models allow people to visualize things that are difficult to understand. _________________________

 

 78. 

Geology is an example of life science. _________________________

 

 79. 

Even though systems are not necessarily perfect, they provide a visual tool to learn from. _________________________

 

 80. 

A scientific theory or law attempts to explain a pattern observed frequently in the natural world. _________________________

 

Matching
 
 
Match each term with the correct definition.
a.
measurement
h.
bargraph
b.
circlegraph
i.
table
c.
estimation
j.
rate
d.
graph
k.
meter
e.
si
l.
mass
f.
kilogram
m.
kelvin
g.
linegraph
 

 81. 

the SI unit of mass
 

 82. 

the SI scale used to measure temperature
 

 83. 

used to show the relationship between two variables (2 words)
 

 84. 

the SI unit of length
 

 85. 

the international system of measurement
 

 86. 

a way to describe the world with numbers
 

 87. 

making a rough measurement of an object by guessing, based on experience
 

 88. 

a ratio of two measurements with different units
 

 89. 

displays information in rows and columns
 

 90. 

uses bars to show the relationships between variables (2 words)
 

 91. 

used to collect, organize, and summarize data in a visual display
 

 92. 

measures the amount of matter in an object
 

 93. 

shows the parts of a whole (2 words)
 
 
Match each term with the correct definition.
a.
length
i.
mass
b.
solid
j.
matter
c.
boiling point
k.
melting point
d.
chemical change
l.
dichotomous key
e.
chemical property
m.
physical change
f.
conservation of mass
n.
physical property
g.
density
o.
state of matter
h.
malleability
p.
volume
 

 94. 

change in the identity of a substance
 

 95. 

a substance with this physical property can be rolled into a sheet
 

 96. 

process that does not change the identity of a substance
 

 97. 

the distance between two points
 

 98. 

temperature at which a solid becomes a liquid
 

 99. 

mass can’t be created or destroyed
 

 100. 

characteristic that determines how a substance will react
 

 101. 

state of matter with particles vibrating in a fixed position
 

 102. 

solid, liquid, gas, or plasma
 

 103. 

uses physical properties to classify
 

 104. 

characteristic that can be observed and measured
 

 105. 

mass per unit volume
 

 106. 

anything that has mass and takes up space
 

 107. 

temperature at which a substance changes from a liquid to a gas
 

 108. 

amount of space an object takes up
 

 109. 

amount of material an object has in it
 
 
Match the appropriate unit of measure with the correct object.
a.
gram
d.
meter
b.
centimeter
e.
cm3
c.
g/cm3
 

 110. 

length of a soccer field
 

 111. 

volume of a bottle of soda
 

 112. 

mass of a hamburger
 

 113. 

length of your shoe
 

 114. 

density of gold
 



 
Check Your Work     Start Over