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 ____.
|
|
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?
|
|
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?
|
|
67.
|
How would you calculate the angle to show 20% in a circle graph?
a. | 0.20 180 | c. | 0.20
180 | b. | 360 0.20 | d. | 0.20
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
|