7A MP3 Review PPT
1. The problem of an experiment is in the form
of a ____.
•
Question
2. A ______ is an educated guess to the
problem of the experiment.
• Hypothesis
3. The ___________ states whether your
hypothesis is correct or incorrect.
• Conclusion
4. What would make the results of an
experiment carried out by a research team
valid?
• The experiment was repeated and the sample
size was increased.
5.
1
6.The ___________ states whether your
hypothesis is correct or incorrect.
• Conclusion
7.What would make the results of an
experiment carried out by a research team
valid?
• The experiment was repeated and the
sample size was increased.
8. To measure the volume of an irregular
solid, a student can use
a. a triple beam balance
b. a beaker
c. displacement in a graduated cylinder
d. a thermometer
c
0 cm
1
2
3
4
9. What is the length of the
object in millimeters?
Centimeters?
8mm
0.8cm
0 cm
1
2
3
4
10. What is the length of the
object in centimeters?
2.8cm
11. Volume = ? Show all work
6.4 cm
8.4 cm
5.6 cm
•V = L x W x H
• V = 6.4 x 5.6 x 8.4
• V = 301.1 cm³
12.
Measure
the volume
of the
liquid to
the right.
2mL
13.
the
the
the
Measure
volume of
liquid to
left.
49mL
14.
Osmium is a very dense metal.
a. What is its density in g/cm3 if 50.00 g of the metal
occupies a volume of 2.22cm3? Show all work.
D = mass = 50.00 g
volume
2.22 cm3
=
D = 22.5 g/cm3
b. Will this object float in water? Why or why not?
No, it will not float because it’s density is greater
than the density of water. It will sink.
c. If you cut this object into 4 pieces what will be
the density of each piece ?
22.5 g/cm3
15. Give the name and
function of each
structure labeled.
A – Ocular lens/eyepiece:
used to look at specimen
B – Fine adjustment: to
focus specimen under
high power
C – Arm: to hold microscope
D – Objective lens: used to
magnify image
E – Coarse adjustment: to
focus specimen under low
power
F – Diaphragm – adjust
amount of light
E
F
16. What was the highest possible
magnification that can be
obtained when using this
microscope?
E
Highest:
• 40 x 10 = 400x
Lowest:
• 10 x 10 = 100x
17. Which structure can only be
used to focus the specimen
under high power? Support
your answer.
The fine adjustment can only be
used because using the
coarse adjustment under
high power can break the
objective lens or the slide.
F
18. The diagram represents a cell in the field
of view of a compound light microscope. In
which direction should the slide be moved
on the microscope stage to center the cell
in the field of view?
Towards C
19. The diagram represents a hydra as viewed
with a compound light microscope. If the hydra
moves to the right of the slide preparation,
which diagram below best represents what will
be viewed through the microscope?
2
20. How is the total magnification of a microscope calculated?
• Eyepiece magnifications x objective lens magnification
21. What is the total magnification produced by a microscope, using a
10X ocular lens and a 10X objective lens?
• 10 x 10
• 100x
22. The diagram represents the field of view
of a compound light microscope. Three
unicellular organisms are located across the
diameter of the field. What is the
approximate length of each unicellular
2
organism?
1) 250 um
2) 500 um 3) 1,000 um 4) 1,500 um
23. Determine the diameter of the field of view below in
millimeters and micrometers.
3.5 mm
3500 um
24. Determine the diameter of the field of view below in
millimeters and micrometers.
3.8 mm
3800 um
25. The diameter is 1800 um. What is the length of the
letter?
900 um, 0.9 mm
26. What is the length of
one cell?
400/4 = 100 um
0.1 mm
27. Identify the six kingdoms.
Archaebacteria
Eubacteria
Protists
Fungi
Plants
Animals
28. Identify the
kingdom each
organism belongs to.
a. Yeast
• fungi
a. Maple tree
• plant
c. Mushroom
• fungi
d. Lizard
• animal
e. Paramecium
• protist
f. Found in hot springs
• archaebacteria
g. Moss
• plant
h. Insect
• animal
i. Amoeba
• protist
j. Bacteria that causes
strep throat
• eubacteria
k. Algae
• protist
29. Acer saccharum is the scientific name for the
sugar maple tree. Acer is the name of the tree's
1. genus
2. phylum
3. species
4. kingdom
1
30. Which kingdom consists of organisms in which its
genetic information is found in the cytoplasm?
a. Fungi
b. Archaebacteria
c. Protist
d. Plant
b
31. Which life process involves producing energy?
• Respiration
32. If you cannot make your own food you are known
as a ____.
• heterotroph
33. Explain the difference between aerobic and
anaerobic respiration.
• Aerobic respiration requires oxygen while
anaeroboc does not require oxygen.
34. Plants carry out ______ nutrition.
• autotrophic
35. Control and coordination of all life
processes is known as ____.
• Regulation
36. What is homeostasis?
• Maintaining a stable, internal
environment.
37. Which life process involves the
joining of smaller molecules to make one
larger molecule?
• Synthesis
38. What are the 3 parts of the Cell Theory?
1. Cells are the basic unit of structure in all
living things.
2. Cells are the basic unit of function in all living
things.
3. All cells come from pre-existing cells.
39. Which statement is not a part
of the cell theory?
(1) Cells are the basic unit of
structure of living things.
(2) Cells are the basic unit of
function of living things.
(3) Cell parts such as chloroplasts
are self-replicating.
(4) Cells come from preexisting cells.
3
40. Give the cell organelle
that performs each
function.
a. Transport materials
throughout the cell
• ER
b. Protein production
• ribosome
c. Digests food
• lysosome
d. Regulates what enters
and leaves the cell
• Cell membrane
e. Produces energy
• respiration
f. Controls all cell
activities
• nucleus
g. Holds cell organelles
• cytoplasm
h. Site of photosynthesis
• photosynthesis
i. Used in cell division in
animal cells
• centrioles
j. Gives plant cell shape
and support
• Cell wall
k. Stores materials
• vacuoles
41. Identify all the organelles labeled and
give the function of each.
Nucleus: controls all cell
activities
Vacuole:
stores
materials
Ribosome:
produces proteins
Mitochondria: produces
energy
Cell membrane: controls
what enters and leaves
the cell
42. a. What type of cell is
represented?
•animal
b. What is structure B? What is
the function of this structure?
•Nucleus – controls cell
c. What is the function of
structure C?
•Stores materials.
d. Explain how structure A
maintains homeostasis within the
cell?
•It controls what enters and
leaves the cell
43. Identify the structures labeled and the function of
each.
1- nucleus: controls all cell
activities
2 – nucleolus: produces ribosomes
3 – cell membrane: controls what
enters and exits the cell
4 – cytoplasm: holds cell organelles
5 – cell wall: keeps plant cells rigid
and supports plant cell
6 – vacuole: stores materials
7 - chloroplast: site of
photosynthesis
44. One difference between plant and animal cells
is that animal cells do not have
(1) a nucleus
(2) chloroplasts
(3) a cell membrane
(4) centrioles
2
45. Which is found in the nucleus?
(1.) ribosome
(2.) vacuole
(3.) lysosome
(4.) chromosome
4
46. Whitney observes a cell under
the microscope. She identifies it
as a green plant cell and not a
cheek cell because of a
(1.) nucleus
(2.) cell membrane
(3.) chloroplast
(4.) mitochondrion
3
47. Label the animal cell below.
Vacuole
ER
mitochondria
Cell membrane
48. Identify the organelle being described.
a. Gives plant cells firm regular shape.
• Cell wall
b. Site of protein manufacture.
• ribosomes
c. Keeps cell contents separate from external
environment.
• Cell membrane
d. Substance produced by ribosomes.
• Proteins
e. Power-house of the cell.
• mitochondria
49.
Plant cells contain a cell wall and chloroplast
while animal cells do not.
50.
4
51.
1
52.
3
53. Which sequence of terms is in
the correct order from simplest
to most complex?
(1) cells, tissues, organs, organ
systems
(2) tissues, organisms, cells,
organ systems
(3) cells, tissues, organ systems,
organs
(4) organs, organisms, organ
systems, cells
1
54.
4
55.
2
56. C6H12O6 + 6O2  6CO2 + 6 H2O + X
a. What is the name of the process represented above?
• Aerobic respiration
b. Where does this process occur?
• mitochondria
c. What molecule does X represent?
• ATP
d. How many ATP are produced?
• 36
e. What materials are needed for this process to occur?
• Glucose, oxygen
f. What are the products of this reaction?
• Carbon dioxide, water, ATP (energy)
57. In the presence of oxygen, __ molecules of
ATP can be formed.
(1) 2
(2) 19
(3) 36
(4) 63
3
58.
a. What type of transport does this picture
represent?
• Active transport
b. Explain your answer.
• Substances are moving from low to high
concentration
59. What happens to a cell if placed
in salt water?
• Lose water  shrivels up
60. Identify each labeled structure in the atom.
Describe the charge for each particle.
A
B
A – Electron
Electrons have a
negative charge.
B – Neutron
Neutrons have no
charge (neutral).
C - Proton
C
Protons have a
positive charge.
61. Identify the different phases of matter.
•
Solid, liquid, gas, plasma
62. The particles of a substance are closest together in a __.
•
Solid
63. The particles of a substance that does not have a definite
volume or shape is ____.
•
gas
64. Identify the different phases of matter, shown in the
diagram below.
A
gas
B
liquid
C
solid
65.
2
66. What is the difference between a
physical change and a chemical
change?
Give an example of each.
• Physical = change the appearance
of the substance, not its
composition
• Ex = melting, freezing, ripping,
crushing
• Chemical = change in composition of
substance
• Ex = burning, rusting
67. Explain some of the properties of
metals.
• They are malleable, ductile, have
luster, and are good conductors
of heat and electricity
68. Explain some of the properties of
nonmetals.
• They are brittle, have no luster
and they are not good conductors
of heat and electricity.
69.
a. What element is
in period 3, group
15?
P (phosphorus)
b. The elements oxygen,
sulfur, selenium and
tellurium are all
found in the same
group (16) on the
table. What do we
know about the
elements in that
family?
They have the
same (BUT NOT
IDENTICAL)
properties.
70. Explain the difference between
an acid and a base.
• An acid has an excess of H+ ions
and a base has an excess of
OH- ions.
71. What does the pH scale measure?
• The strength of an acid or base.
72. Classify each of the
following as acidic,
neutral, or basic
a. pH = 2.3
• Acidic
b. pH = 6.5
• Acidic
c. pH = 8.5
• basic
d. pH = 11.7
• basic
e. pH = 13.4
• Basic
f. pH = 7.0
• neutral
73. Identify structures that make up your
skeletal system.
• Bones, ligaments, tendons, cartilage
74. Describe the difference between tendons
and ligaments.
• Ligaments connect bones while tendons
connect muscles to bones.
75. Where is cartilage found?
• Makes up the ears and nose, in between
vertebrae, ends of bones, newborn
skeleton
76. Describe 5 functions of
the skeletal system.
• Movement
• Protects organs and tissues
• Produces blood cells
• Gives body shape and support
• Stores calcium and phosphorus
77. Identify the muscle
type described.
a. Attached to bones.
• skeletal
b. Involuntary and striated.
• cardiac
c. Lines the digestive tract
and blood vessels.
• smooth
d. Voluntary.
• skeletal
e. Only found in the heart.
• cardiac
f. Not striated and
involuntary.
• smooth
g. Branched fibers.
• cardiac
h. Make up your arteries.
• smooth
i. Help you write down
your notes.
• skeletal
78. Identify each structure labeled in the diagram.
oral
cavity/mouth
gall bladder
large
intestine
stomach
pancreas
small intestine
rectum
79. Where does protein digestion
begin?
In the stomach
80. What is the function of F?
Absorb water
81. Where are nutrients absorbed
into the blood?
In the small
intestine/villi
82. What does C produce? Where
does it go?
Pancreatic juice
Small intestine/duodenum
83. What is the function of G?
store bile
84. Chemical digestion is completed
in this structure.
small intestine/duodenum
85. What type of digestion occurs in
A?
mechanical and chemical
86. What is structure F? What is the function of this
substance?
•Liver - produces bile (that emulsifies fat)
87. Identify structure B. What kind of digestion occurs
here?
•Stomach – mechanical
88. What is the function of structure A?
•Pushes food into the stomach by peristalsis
89. Where does mechanical digestion
begin? How?
•Mouth – teeth grind up food
90. Where does chemical digestion begin?
How?
•Mouth – ptyalin/salivary amylase in saliva
starts to chemically break down starches
into sugar
91. Where does chemical digestion end?
•Duodenum (small intestine)
92. Where does most chemical digestion occur?
• Duodenum (small intestine)
93. Where and how are nutrients absorbed once
food has been completely broken down.
• They are absorbed in the villi of the small
intestine by diffusion.
94. What enzyme is found in saliva? What does
it break down?
• Salivary amylase/ptylin
• Carbohydrates (starches sugar)
95. What enzyme is produced in the stomach?
What does it break down?
• Pepsin
• protein
96. Explain what occurs in capillaries
and why.
The exchange or diffusion of substances
into or out of the capillary.
Capillaries are extremely small and have a
VERY thin lining that allows for diffusion to
occur.
97. Identify the part of
blood being
e. Largest blood cell.
described.
• White blood cells
a. Most numerous blood f. Made up of 90%
cell.
water.
• Red blood cells
• plasma
b. Carries enzymes.
g. Involved in blood
clotting.
• plasma
• platelets
c. Involved in blood
h. Protect the body
clotting.
against disease.
• platelets
• White blood cells
d. Carries oxygen.
i. Carries hormones.
• Red blood cells
• plasma
9819. Which statement best describes the activities of the parts of
the blood shown in the diagram below?
A
B
C
a.
b.
c.
d.
A and B kill germs, and C carries oxygen.
A, B, and C produce hemoglobin.
B and C kill germs, and A carries nutrients.
A carries oxygen, B starts clotting, and C
kills germs.
4
99. Identify the blood e. Blood vessel used
vessel described.
when measuring pulse
a. Carry blood towards rate.
the heart.
• arteries
• veins
f. Thinnest blood
b. Thickest blood vessel.vessel
• capillaries
• arteries
c. Where the diffusion g. Blood flows
of substances occurs. through with a lot of
pressure.
• capillaries
•
arteries
d. Contain valves.
h. Very elastic.
• veins
• arteries
100. What is pathogen?
•Disease causing organism (germ)
101. How does the skin protect the body?
•It prevents pathogens from entering
the body.
102. What is an antigen?
•On pathogen – substance that causes
immune response. What antibodies
latch onto to slow down pathogens.
103. Explain how wbc’s can
protect the body against
disease.
Wbc’s produce antibodies and
memory cells when a pathogen
(antigen) enter the body.
104. Vaccinations help prepare the
body to fight invasions of a
specific pathogen by
1. inhibiting antigen production
2. stimulating antibody production
3. inhibiting white blood cell
production
4. stimulating red blood cell
production
2
105. Resistance to a specific disease is a(n)
a. antibiotic.
b. immunity.
c. white blood cells.
d. addiction
b
106. Once you have had the chicken pox, it is
unlikely that you will ever get the disease
again because your body has developed a(n)
a. passive immunity.
b. addiction.
c. active immunity.
d. antibiotic.
c
107. Which is the correct sequence for the
path of oxygen through the respiratory
system?
Nasal cavity
Pharynx
Larynx
Trachea
Bronchi
Bronchioles
Alveoli
108. The tubes that branch from the trachea are the
• bronchi
109. The dome shaped muscle below the chest cavity is
called the
• diaphragm
110. During swallowing, the trachea is covered by the
• epiglottis
111. Alveoli in the lungs are connected to the bronchi by a
network of tiny tubes called
• bronchioles
112. What happens
to each of the
following during
inhalation?
113. What happens to
each of the
following during
exhalation?
a. Diaphragm
• Moves down
(contracts)
b. Rib cage
• expands
c. Pressure in chest
cavity
• decreases
a. Diaphragm
• Moves up (relaxes)
b. Rib cage
• Comes back in
c. Pressure in chest
cavity
• increases
114. Identify the
structures
labeled in the
diagram.
A – nasal cavity
B – pharynx
C – larynx
D – trachea
E – bronchi
F – bronchioles
G – lung
H - diaphragm
A
B
C
D
F
E
G
H
115. Which organ
produces urea?
B - liver
116. What is the
function of D?
•Filter wastes from
blood
•Regulate water
concentration of
blood.
•Produce urine
117. What does
organ A excrete?
•CO2 and H2O vapor
118. Which organ
detoxifies the
blood?
•B - Liver
119. Identify structures A, B, C, and D.
Kidney
Ureter
Urinary
bladder
Urethra
119. Identify structures A, B, C, and
D.
• A – kidney, B – ureter, C – bladder, D
- urethra
120. Which structure produces urine?
• A – kidneys
121. What is the path of urine?
• Kidneys  ureters  bladder 
urethra
122. What stores urine?
• C – bladder
123. What is the function of D?
• Transports urine out of the body
124. A muscle or gland which responds to a
message carried to it by motor neurons
is called a(n)
• effector
125. A change in the surroundings or the
environment that triggers a nerve
impulse is called a(n)
• Stimulus
126. The electrochemical message that
travels through the nervous system is
known as the
• Impulse
127. Identify the parts of the brain labeled in
the diagram.
cerebrum
cerebellum
medulla
spinal cord
128. Identify the part of the brain being
describe.
a. What structure controls reasoning, memory,
emotions, and habits?
• cerebrum
b. What controls involuntary actions?
• medulla
c. What controls and coordinates and balance?
• cerebellum
d. Loss of memory as a result of an accident
would indicate damage to which part?
• cerebrum
e. What controls activities such as breathing
and heart rate?
• medulla
129. Identify all glands labeled in the
diagram.
Pituitary gland
Parathyroid
gland
Thyroid gland
Adrenal glands
Islets of Langerhans
Ovaries
130. A hormone that increases the rate
and strength of heart contractions during
times of sudden stress is secreted
by which structure? What is the name of
this hormone?
Adrenal glands, Adrenaline
131. Hormones that regulate other glands
such as the ovaries are secreted
by which structure?
Pituitary gland
132. What is the name of structure F?
What is the function of its hormone?
Parathyroid, controls calcium levels in blood
133. What does the hormone secreted by
structure B control?
Metabolism