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WorksheetsEOC review Unit 1
Total questions: 183
Worksheet time: 3hrs 17mins
Name
Class
Date
1.
the force of attraction between molecules of the same substance
(water is attracted to water)
a)
adhesion
b)
cohesion
c)
nuclear fusion
d)
erosion
2.
water is attracted to substances OTHER than water
a)
adhesion
b)
cohesion
c)
nuclear fusion
d)
erosion
3.
the specific amount of energy needed to raise a substance's temperature by one degree Celsius
a)
surface tension
b)
polarity
c)
specific heat
d)
solubility
4.
the ability of a substance (solute) to dissolve into a liquid (solvent)
a)
density
b)
solubility
c)
cohesion
d)
adhesion
5.
Is water MORE dense as a liquid or solid?
a)
liquid
b)
solid
6.
water particles ________ when they freeze
a)
spread out
b)
move closer together
7.
Having two opposite tendencies or two opposite electrical charges
a)
density
b)
cohesion
c)
polarity
d)
solubility
8.
The cohesion of water molecules at the surface of a body of water
a)
adhesion
b)
surface tension
c)
solubility
d)
polarity
9.
What type of bond connects water molecules to one another?
a)
hydrogen bond
b)
carbon bond
c)
oxygen bond
d)
iron bond
10.
Why does ice float on top of water?
a)
it is less dense than water
b)
it is not soluble
c)
it has a low specific heat
11.
Why could we get more drops of tap water on a penny than drops of soapy water?
a)
Adding soap broke the water's surface tension.
b)
Adding soap made the water's surface tension stronger.
c)
Soap is polar, water is not.
12.
What is water?
a)
A molecule of 2 H atoms and 1 O atom
b)
A molecule of 1 H atom and 2 O atoms
c)
An element of 2 H atoms and 1 O atom
d)
An element of 1 H atom and 2 O atoms
13.
Water has a _____ heat capacity, allowing it to absorb/lose large amounts of heat while its temperature only changes _______.
a)
high; slightly
b)
high; largely
c)
low; slightly
d)
low; largely
14.
A molecule with partial charges (+/- ends). This molecule mixes with water. It also shares electrons unequally.
a)
polar
b)
nonpolar
c)
covalent
d)
ionic
15.
No partial charges. Do not mix with water.
Equal sharing of electrons.
a)
Polar
b)
Nonpolar
c)
Covalent
d)
Ionic
16.
An example of adhesion is
a)
attraction between molecules of different substances
b)
water is attracted to other types of molecules
c)
oil is attracted to other types of molecules
d)
when water sticks to other water molecules
17.
Water is often called the universal solvent because
a)
it sticks to the fibers of paper and cloth.
b)
it solid form floats on its liquid form.
c)
it can dissolve many different substances.
d)
it is polar.
18.
A solute is
a)
the liquid in which a substance dissolves
b)
a sign of respect used in the military
c)
a song played in the band
d)
the substance being dissolved
19.
A measure of how difficult it is to stretch or break the surface of a liquid.
a)
cohesion
b)
surface tension
c)
solute
d)
solvent
20.
A paper clip can float on the surface of water because of
a)
surface tension.
b)
adhesion.
c)
gravity.
d)
density.
21.
Ocean acidification begins with
a)
pollution from ships
b)
carbon dioxide released from combustion
c)
dumping of waste from cities into the ocean
22.
Carbon dioxide and seawater combine to form
a)
calcium carbonate
b)
carbon monoxide
c)
carbonic acid
23.
The H+ ion is a(n)
a)
acid
b)
base
c)
neutral
24.
This image demonstrates that
a)
There is a direct correlation with the atmospheric CO2 and the CO2 in seawater
b)
That pH of the ocean increases as the atmospheric CO2 increases
c)
That there is no correlation between pH of the ocean and atmospheric CO2
25.
As the ocean becomes more acidic, the pH of the water
a)
increases
b)
decreases
26.
A pH of 3 is how much more acidic than a pH of 6?
a)
10
b)
30
c)
300
d)
1000
27.
Which of these pH values represent an acid?
a)
4
b)
8
c)
10
d)
12
28.
Milk is a very weak acid. What might its pH value be?
a)
6.5
b)
7.8
c)
4.2
d)
12.2
29.
What range of values on the pH scale represent solutions with a higher ratio of hydroxide (OH-) ions?
a)
below 7
b)
7
c)
above 7
d)
0-14
30.
The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?
a)
3
b)
9
c)
7
d)
5
31.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
32.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
33.
Ammonia has a pH of 12. Ammonia is __________.
a)
an acid
b)
a base
c)
an element
d)
a metal
34.
Explain what happens when a strong acid and a strong base are poured into the same container.
a)
they form separate layers
b)
they mix physically but not chemically
c)
they break apart into separate elements
d)
they react chemically to form a salt
35.
When dissolved in water, bases produce:
a)
acids
b)
salts
c)
hydrogen ions
d)
hydroxide ions
36.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
hydrogen ions
d)
hydroxide ions
37.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
38.
DNA and RNA are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
39.
Nucleotides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
40.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
41.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
42.
Which macromolecule is shown?
View Figure 1 (if not visible)
View Figure 1 (if not visible)
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
43.
What is the function of nucleic acids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
44.
Which of the following organic compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
45.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
46.
What are the monomers of DNA?
a)
glycerols
b)
amino acids
c)
fatty acids
d)
nucleotides
47.
Lipids can be digested into what smaller subunits?
a)
nucleic acids
b)
amino acids
c)
fatty acids
d)
glucose
48.
Which group of biomolecules provide quick energy to organisms?
a)
proteins
b)
carbohydrates
c)
lipids
d)
nucleic acids
49.
Genetic information is stored in which class of organic compounds?
a)
proteins
b)
lipids
c)
nucleic acids
d)
carbohydrates
50.
All polymers are made up of...
a)
monosaccharides
b)
monomers
c)
proteins
d)
None of these
51.
All organic compounds contain the element
a)
carbon
b)
nitrogen
c)
phosphorus
d)
sulfur
52.
Building blocks of the body, hair , muscles etc.
a)
protein
b)
nucleic acid
c)
lipids
d)
carbohydrates
53.
Is found in the cell membrane as a bilayer.
a)
lipids
b)
protein
c)
nucleic acid
d)
carbohydrate
54.
Enzymes are..
a)
nucleic acids
b)
carbohydrates
c)
lipids
d)
proteins
55.
Which is an example of a lipid?
a)
Candy
b)
Olive Oil
c)
DNA
d)
Meat
56.
How many sugar units make up polysaccharides?
a)
one
b)
two
c)
more than two
d)
zero
57.
Fat, oil, butter and cream cheese are apart of which macromolecule group?
a)
amino acids
b)
carbohydrates
c)
lipids
d)
protein
58.
What is the monomer for carbohydrates? Remember: its the fancy word for sugar
a)
nucelotide
b)
monosaccaride
c)
nucleic acid
d)
polymer
59.
Which macromolecule has the function of quick energy?
a)
Lipids
b)
Carbohydrates
c)
Protein
d)
Nucleic Acids
60.
Which macromolecule has the function of long term energy or energy storage
a)
Nucleic Acids
b)
Carbohydrates
c)
Lipids
d)
Protein
61.
What is the monomer for protein?
a)
Polymer
b)
Nucleic Acids
c)
Amino Acids
d)
Fatty Acids
62.
What are two factors that can affect an enzymes ability to function?
a)
No changing
b)
temperature and pH
c)
night and day
d)
hot and cold
63.
Which major macromolecule is being represented in this image?
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
64.
What are the single sugars that are the building blocks of carbohydrates?
a)
monosaccharides
b)
disaccharides
c)
polysaccharides
d)
amino acid
65.
Which of the four major biological macromolecules can be easily identified by the nitrogen base and phosphate found in its structure?
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
66.
The element _______is found in all of the organic compounds.
a)
Iron
b)
Nitrogen
c)
Carbon
d)
Oxygen
67.
Nucleotides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
68.
Glycerol and fatty acids are the monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
69.
What is the function of nucleic acids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
70.
Carbohydrates are made of...
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
71.
Lipids are made of...
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
72.
Proteins are made of...
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
73.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
74.
What are the four macromolecules?
a)
proteins, nucleic acids, carbohydrates, and lipids
b)
monosaccharides, lipids, polysaccaharides, and proteins
c)
RNA, DNA, proteins, and carbohydrates
d)
proteins, DNA, RNA, and steroids
75.
RNA and DNA are which type of macromolecules?
a)
carbohydrate
b)
lipid
c)
nucleic acid
d)
protein
76.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
77.
What is the function of nucleic acids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
78.
Which macromolecule is shown?
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
79.
This is one job proteins do NOT have in the body
a)
insulation
b)
structure for tissues and organs
c)
speed up chemical reactions
d)
transport things through cell membrane
80.
What suffix (word ending) is used in the names of most carbohydrates?
a)
-ase
b)
-nic
c)
-ose
d)
-yme
81.
The diagram shows the general structure of an amino acid. Which type of molecule is formed from amino acids?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
82.
You are analyzing a compound in the laboratory. You find that it is made up of carbon, hydrogen, and oxygen in a ratio of two hydrogen atoms for each carbon atom. How will you classify the compound?
a)
lipid
b)
protein
c)
carbohydrate
d)
nucleic acid
83.
Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water-permeable. This waxy coating is which of the following types of organic molecule?
a)
protein
b)
carbohydrate
c)
nucleic acid
d)
lipid
84.
A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
85.
Like complex carbohydrates, proteins are macromolecules that serve many functions and can be chemically broken down and restructured. Both proteins and complex carbohydrates are which of the following?
a)
polymers of smaller subunits
b)
sequence of sugars
c)
lipids of large molecules
d)
nucleotides of DNA
86.
In living organisms, lipids function mainly as:
a)
Sources of stored energy and transmitters of genetic information
b)
Sources of stored energy and components of cellular membranes
c)
Transmitters of genetic information and catalysts of chemical reactions
d)
Catalysts of chemical reactions and components of cellular membranes
87.
What is the function of macromolecule subunit below?
a)
energy
b)
catalyst
c)
stores genetic information
d)
composes the majority of the cell membrane
88.
The organic compounds that have many structural purposes and are used in many processes within the
cell are called ____________________.
cell are called ____________________.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
89.
What is the primary function of carbohydrates in your body?
a)
Speed up chemical reactions.
b)
Give immediate energy.
c)
Help to store energy.
d)
Build cell walls in plants.
90.
The building blocks or monomers of carbohydrates are?
a)
amino acids
b)
fatty acids
c)
monosaccharides
d)
nucleotides
91.
An example of a carbohydrate would be?
a)
pasta
b)
T-bone steak
c)
chicken leg
d)
cheese
92.
What are the building blocks or monomers for proteins?
a)
monosaccharides
b)
fatty acids
c)
DNA
d)
amino acids
93.
What parts of the body is mainly made from proteins?
a)
muscles
b)
bone
c)
skin
d)
blood
94.
A good example of a nucleic acid would be?
a)
sugar
b)
DNA
c)
fat
d)
glucose
95.
The three main parts of a nucleotide are the sugar (made up of carbon, hydrogen, and oxygen), the phosphate group, and the _____________ base.
a)
carbon
b)
oxygen
c)
nitrogen
d)
hydrogen
96.
Which major macromolecule is being represented in this image?
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
97.
Identify the macromolecule in the picture.
* look at the R.....
* look at the R.....
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
98.
Identify the macromolecule in the picture
* cholesterol and triglycerides
* cholesterol and triglycerides
a)
carbohydrate
b)
protein
c)
lipid
d)
nucleic acid
99.
Glycerol and fatty acids combine to form...?
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
100.
The best definition of "organic" in Biology would be:
a)
to be "fresh"
b)
to be alive
c)
to be chemical-free
d)
to contain Carbon and Hydrogen
101.
Which is NOT a monomer?
a)
sucrose
b)
glucose
c)
amino acid
d)
fatty acid
102.
Important to the structural integrity of plant cells, this is the single most popular polysaccharide in the world.
a)
Starch
b)
Glycogen
c)
Cellulose
d)
Chitin
103.
Which of the following is an INCORRECT match of the carbohydrate with its function?
a)
sugar transport in plants--disaccharides
b)
energy storage in plants--starches
c)
energy storage in plants--lactose
d)
sugar transport in humans--glucose
104.
What are the functions of proteins?
a)
build structures and provide quick energy
b)
repair tissue and store long-term energy
c)
build structures/
hormones/ transport/ enzymes
hormones/ transport/ enzymes
d)
provide energy/ transport
105.
What is the function of cellulose?
a)
store long-term energy
b)
repair tissues
c)
create plant cell walls
d)
supply short-term energy
106.
What is the function of glycogen?
a)
carb storage in plants
b)
carb storage in animals
c)
make up cell walls
d)
it's an enzyme
107.
What is the function of starch?
a)
carb storage in plants
b)
carb storage in animals
c)
makes up cell walls
d)
it's an enzyme
108.
Define Dehydration Synthesis
a)
The use of H2O to break a bond between molecules
b)
the process of becoming thirsty
c)
the bonding of two molecules by the addition of H2O
d)
The bonding of two molecules by the removal of H2O
109.
Define Peptide Bond
a)
The bonding of two amino acids by hydrolysis
b)
the bonding of two amino acids by dehydration synthesis
c)
The bonding two amino acids to form a lipid
d)
the bonding of two amino acids to form a carb
110.
What molecule is represented in the image
a)
Lipid (trig
lyceride)
lyceride)
b)
poly
sacch
aride
sacch
aride
c)
amino acid
d)
protein
111.
What type of molecule is represented in the image
a)
poly
sacch
aride
sacch
aride
b)
unsat
urated fat
urated fat
c)
saturated fat
d)
mono
sacch
aride
sacch
aride
112.
What type of molecule is represented in the image?
a)
poly
sacch
aride
sacch
aride
b)
un
saturated fat
saturated fat
c)
saturated fat
d)
mono
sacch
aride
sacch
aride
113.
what molecule is represented in the image
a)
saturated fat
b)
mono
sacch
aride
sacch
aride
c)
amino acid
d)
di
sacch
aride
sacch
aride
114.
Saturated fatty acids tend to be_____ at room temperature
a)
solid
b)
liquid
115.
Which is shown in the picture?
a)
Monsaccharide
b)
Amino Acid
c)
Fatty Acid
d)
Nucleotide
116.
Which is shown in the picture?
a)
Fatty Acid
b)
Monsaccharide
c)
Amino Acid
d)
Nucleotide
117.
A scientist performs an experiment to see if acids have an effect on the health of a particular type of plant. Three sets of plants were treated with acidic solutions of known pH while the control set was treated with a solution of neutral pH 7.Which is the best conclusion for this experiment?
a)
Acid has no effect on the health of this type of plant.
b)
B. High acidity is helpful to this type of plant.
c)
C. Low acidity is harmful to this type of plant.
d)
High acidity is harmful to this type of plant.
118.
The graph below shows atmospheric carbon dioxide levels since the year 1880.Which of the following conclusions can be drawn from this graph
a)
Atmospheric carbon dioxide levels are responsible for global temperature change.
b)
Atmospheric carbon dioxide levels have been rising at about the same rate for the past century.
c)
Atmospheric carbon dioxide levels have remained the same over the past century.
d)
Atmospheric carbon dioxide levels have been rising at an increasingly higher rate as the past century has progressed.
119.
A research group has discovered that damselflies, a type of dragonfly, are being infected by a particular type of aquatic protozoan. Both young and adult damselflies are not directly infected by the protozoan but contract the infection from the prey they eat. The graph shows the percentage of adult damselflies infected by protozoans during the summer and early fal
a)
Infection in embanked ponds increased during the sampling period.
b)
Protozoans were more common in creek-fed ponds than embanked ponds.
c)
Protozoans reproduce more quickly in embanked ponds than creek-fed ponds.
d)
Infection in creed-fed ponds remained constant throughout the sampling period.
120.
Carmen conducted an experiment to determine if listening to different types of music would affect a person’s pulse. Her hypothesis was that pulse rate would change with different types of music. Each person listened to seven different selections of music for 30 seconds each. Each person’s pulse was taken before the music and then after each 30-second interval of music. The pulses were taken again after the music selections were completed. Based on her experiment, Carmen concluded that a person’s pulse rate changed when the person listened to different types of music. Which component is missing from Carmen’s experiment?
a)
a question
b)
a hypothesis
c)
a control group
d)
a description of the experiment
121.
In order to be accepted, a scientific theory must be
a)
widely tested and supported by extensive data
b)
based on the results of a single experiment
c)
controversial and cause debate
d)
in line with all previous historical ideas
122.
In an appropriately designed experiment, a scientist is able to test the effect of
a)
a single variable
b)
multiple variables
c)
the hypothesis
d)
scientific observations
123.
Which statement best expresses a basic scientific assumption?
a)
Interpretation of experimental results has provided explanations for all natural phenomena.
b)
If a conclusion is valid, similar investigations by other scientists should result in the same conclusion.
c)
For any conclusion to be valid, the design of the experiment requires that only two groups be compared.
d)
After a scientist formulates a conclusion based on an experiment, no further investigation is necessary.
124.
Conclusions based on an experiment are most likely to be accepted when
a)
they are consistent with experimental data and observations
b)
they are derived from investigations having many experimental variables
c)
scientists agree that only one hypothesis has been tested
d)
hypotheses are based on one experimental design
125.
An experiment was carried out to determine whether drinking caffeinated soda increases pulse rate. The pulse rates of two groups of people at rest were measured. Group A was then given caffeinated soda and group B was given caffeine-free soda. One hour after drinking the soda, the pulse rates were measured. The participants in the experiment were all the same age, and they were all given the same amount of soda. The dependent variable in this experiment is the
a)
type of soda given to each group
b)
amount of soda given to each group
c)
pulse rate of each group
d)
age of participants in each group
126.
What is an observation?
a)
Something you measure or detect with your senses.
b)
The way you feel about something
c)
An educated guess
d)
A theory that has been disproved
127.
A scientific observation is:
a)
Based on facts
b)
based on your personal beliefs
c)
Based on opinions
d)
Based on a rumor you heard in the bathroom
128.
What is the scientific method?
a)
A systematic procedure for how to conduct a scientific experiment
b)
The process of solving a problem
c)
A way of making non-scientific observations
d)
A way to summarize findings from multiple investigations
129.
Which of the following is NOT a testable question?
a)
How do rockets work?
b)
Does fertilizer help plants grow bigger?
c)
Does heart rate increase with exercise?
d)
Does the freezing point of water change at different elevations?
130.
What is a hypothesis?
a)
An educated prediction or answer to a testable question
b)
A random guess
c)
An observation based on feelings or emotions
d)
131.
An observation that is measurable and made with tools (such as a ruler or scale) is what type
a)
quantitative
b)
qualitative
c)
koalatative
132.
A series of steps designed to help you solve problems and answer questions is
a)
the scientific method
b)
results
c)
observations
d)
the two step
133.
After the data is analyzed the hypothesis is stated as correct or incorrect in the __________
a)
conclusion
b)
experiment
c)
hypothesis
d)
table of contents
134.
A testable explanation to a problem that has not yet been tested.
a)
data
b)
theory
c)
hypothesis
d)
fact
135.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
136.
This variable in an experiment is the one being changed by the scientist.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
137.
The summary at the end of an experiment that explains the results.
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
138.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
conclusion
b)
data
c)
variables
d)
hypothesis
139.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
140.
Dependent variable means
a)
the scientist controls what to test
b)
educated guess
c)
ask a question
d)
what is being measured
141.
If you increase the amount of spinach you eat, then you will increase the iron in your blood.
What's the dependent variable?
What's the dependent variable?
a)
increase the amount of iron in your blood
b)
spinach you eat
142.
If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?
a)
True
b)
How fast you get to school
c)
Riding a bike or walking
d)
False
143.
Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.
a)
If I make a paper airplane from notebook paper, then it will fly faster than construction paper.
b)
Yes.
c)
No.
d)
I think the construction paper air plane will fly faster.
144.
If I study for my scientific method test, then I will have a better test score. What is the dependent variable?
a)
Scientific Method
b)
Studying
c)
Independent variable
d)
Test score
145.
If I read this question carefully, then I will answer it correctly. What is the independent variable?
a)
I hope so
b)
Yes
c)
Reading or not reading carefully
d)
Likelihood of a correct answer
146.
This is the group that we will compare our experimental group to. This group stays "normal."
a)
Control Group
b)
Experimental Group
c)
Normal Group
d)
Weird Group
147.
This is the group that is affected by the independent variable or the group that is changed.
a)
Control Group
b)
Experimental Group
c)
Changed Group
d)
Cool Group
148.
Which of these contains steps in the right order?
a)
Ask a question, state your hypothesis, research, experiment, analyze, make a conclusion
b)
State your hypothesis, ask a question, research, experiment, analyze, make a conclusion
c)
Ask a question, research, state your hypothesis, experiment, analyze, make a conclusion
d)
State your hypothesis, ask a question, research, make a conclusion, experiment, analyze
149.
What is the first step in the scientific method?
a)
draw conclusions
b)
ask a question/make an observation
c)
make a hypothesis
d)
test the experiment
150.
Should experiments be repeated over and over to see if the results are the same each time?
a)
yes
b)
no
151.
After a scientific experiment is performed, data is recorded, and conclusions are drawn, what should be done next?
a)
Share your research with other scientists
b)
Keep your research a secret
c)
Destroy all evidence of your experiment
152.
This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted.
a)
experimental group
b)
control group
c)
data
d)
variables
153.
This variable in an experiment is the one being deliberately changed by the scientist.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
154.
Which type of data involves descriptions that cannot be counted or measured?
a)
qualitative
b)
quantitative
155.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
156.
"The plant is pretty"
This observation is...
This observation is...
a)
Subjective
b)
Objective
157.
"The coin weighs 2 grams"
This observation is...
This observation is...
a)
Subjective
b)
Objective
158.
A law...
a)
is a hypothesis
b)
just says that something happens
c)
is the same as a theory
d)
is just common sense
159.
A theory...
a)
Says that something occurs
b)
Says why something occurs
c)
Is known to be 100% factual
d)
Is just common sense
160.
A theory can become a law.
a)
True
b)
False
161.
Experiments include many trials, since:
a)
It's fun
b)
Scientists like to stay busy
c)
More trials ensure the hypothesis is ALWAYS correct
d)
More trials increase accuracy of results
162.
Rene grew bacteria from the mouth on special plates in the laboratory. She placed drops of different mouthwashes on bacteria on each plate.
a)
recognize a problem
b)
test the hypothesis with an experiment
c)
form a hypothesis
d)
draw conclusions
163.
Johathan’s data showed that household cockroaches moved away from raw cucumber slices.
a)
recognize a problem
b)
test the hypothesis with an experiment
c)
form a hypothesis
d)
draw conclusions
164.
Susan said, “If I fertilize my geranium plants, they will blossom.”
a)
recognize a problem
b)
test the hypothesis with an experiment
c)
form a hypothesis
d)
draw conclusions
165.
Kathy used a survey to determine how many of her classmates were left-handed and how many were right-handed.
a)
recognize a problem
b)
test the hypothesis with an experiment
c)
form a hypothesis
d)
draw conclusions
166.
Jose saw bats catching insects after dark. He asked, “How do bats find insects in the dark?”
a)
recognize a problem
b)
test the hypothesis with an experiment
c)
form a hypothesis
d)
draw conclusions
167.
Kevin said, “If I grow five seedlings in red light, I think the plants will grow faster than the five plants grown in white light.”
a)
recognize a problem
b)
test the hypothesis with an experiment
c)
form a hypothesis
d)
draw conclusions
168.
Michael fed different diets to three groups of guinea pigs. His experiment showed that guinea pigs need vitamin C and protein in their diets.
a)
recognize a problem
b)
test the hypothesis with an experiment
c)
form a hypothesis
d)
draw conclusions
169.
What is a factor that the experimenter has full control over and changes to see what happens?
a)
Dependent Variable
b)
Independent Variable
c)
Control group
d)
Hypothesis
170.
What is a factor that changes because of what the experimenter does?
a)
Dependent Variable
b)
Independent Variable
c)
Control Group
d)
Hypothesis
171.
Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the DEPENDENT variable
-Amount of water
-Height of Ice cube
-Temperature the ice cube was at its highest height
-Temperature of the water
-Size of the ice cube
-Amount of water
-Height of Ice cube
-Temperature the ice cube was at its highest height
-Temperature of the water
-Size of the ice cube
a)
Amount of water
b)
Height of Ice cube
c)
Temperature the ice cube was at its highest height
d)
Size of the ice cube
172.
The following statement is a hypothesis formed about marsh grass:
If the amount of nitrogen marsh grass receives is increased, then the height of the grass will increase, because nitrogen is an essential nutrient needed for marsh grass to grow.
What is the independent variable of the statement above?
If the amount of nitrogen marsh grass receives is increased, then the height of the grass will increase, because nitrogen is an essential nutrient needed for marsh grass to grow.
What is the independent variable of the statement above?
a)
Height of grass
b)
Amount of nitrogen
c)
Essential nutrient
d)
Amount of growth
173.
What skill is a scientist using when she listens to the sounds that an elephant makes?
a)
drawing conclusions
b)
making observations
c)
interpreting data
d)
making a hypothesis
174.
A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is
a)
the male alligators
b)
the incubator
c)
the gender of the alligator
d)
the temperature
175.
A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is
a)
the size of the baby alligators
b)
the gender of the baby alligators
c)
the incubator
d)
the temperature
176.
When you decide whether or not the data supports the original hypothesis, you are
a)
drawing conclusions
b)
forming a hypothesis
c)
asking questions
d)
making observations
177.
In this graph, what is the independent variable?
a)
Population
b)
Day
c)
Species 5
178.
In this graph, what is the dependent variable?
a)
Walla Walla Island
b)
Time
c)
Number of Deer
179.
The summary at the end of an experiment that explains the results.
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
180.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
181.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
d)
Color of the plant's leaves
182.
When collecting data, where do we put it first?
a)
data table
b)
graph
c)
anywhere on the paper
d)
we just memorize it
183.
What do you do to test a hypothesis?
a)
Guess
b)
Design an experiment
c)
Create a spreadsheet with data
d)
Publish a scientific paper
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