The __________ are dry, cold air
currents that move from northeast to
southwest over higher latitudes of the
Northern Hemisphere and from the
southeast to northwest over the polar
zones of the Southern Hemisphere.
1a
polar easterlies
1b
absolute dating
2a
the process of dating an
object by determining he
number of years that the
object has existed
2b
absolute magnitude
3a
the actual brightness of a
star
3b
absolute zero
4a
the lowest possible
temperature (0 K, -273
degrees Celsius
4b
absorption
5a
the transfer of energy
carried by light eaves to
particles of matter
5b
absorption spectrum
6a
a continuous spectrum
with dark lines ehete less
light gets through
6b
acid
7a
any compound that increasrs the
number of hydrogen ions ehrn
dissolved in water and whose
solition tastes sour and can
change the color of certain
compounds
7b
acid precipitation
8a
rain. sleet, or snow that is
highly acidic becausr of
the burning of fossil fuels
8b
actinides
9a
transition metals that
follow the ele,ent actinium
im Period 7 of the periodic
table;all actinides are
active
9b
activation energy
10a
the smallest amount of
energy needed for
substances to react
10b
adaptation
11a
a characteristic that helps
an orgainsm survive and
reproduce in its
emvironmemt
11b
air mass
12a
a large body of air that
has the same temperature
and moisture throughout
12b
alkali metals
13a
the elements in Group 1 of
the periodic table; they are
the most reactive meals;
their aroms have one
valence electron
13b
alkaline-earth metals
14a
the elements in Group 2 of the
periodic table; they are very
reactive metals but are less
reactive than alkali metals; their
atoms have two valence
electrons
14b
alleles
15a
alternate forms of a gene
that govern the same
characteristics
15b
altitude
16a
the angle between an
object and the horizon
16b
alveolus
17a
a tiny sac that forms at
the ends of bronchiole
branches of the lungs
17b
amplitude
18a
the maximum distance
the particles of a wave's
medium vibrate fr, their
rest position
18b
anemometer
19a
a tool used tasure wind
speed
19b
anvil
20a
a bone in the middle ear
20b
apparent magnitude
21a
how bright a light
appears to an observer
21b
An aquifer must
be________
22a
porous and permeable
22b
Are crayfish insects?
23a
No
23b
arteries
24a
blood vessels that direct
blood away from the
heart
24b
Aside from the strength of the
material that the seismic waves
passes through, what is the
other factor that the speed of
the waves depend on?
25a
thickness
25b
At night, cool air sinks into
a valley from the mountain
oaks, which creates a
_________ breeze.
26a
mountain
26b
The atomic number of an
atom is the total number
of ________ in the
nucleus.
27a
protons
27b
atrium
28a
each upper chamber
28b
blood
29a
connective tissue
composed of plasma,
blod cells, and platelets
29b
blood vessel
30a
a hollow tube that carries
blood
30b
capillaries
31a
smallest blood vessels in
your body
31b
capillary walls are only
one cell thick
True or False
32a
True
32b
cardiovascular system
33a
uses blood to carry
materials to and from
your cells
33b
chemical digestion breaks
carbohydrates down into
34a
simple sugar
34b
does hemoglobin stick to
oxygen when you inhale?
True or False
35a
True
35b
During respiration,
organisms give off water,
energy, and
36a
CO2
36b
During the asexual stage
of reproduction in
mosses, hundreds of
________ develop
37a
spores
37b
Estivation is a period of
reduced activity in the
_______
38a
summer
38b
The field of _______
studies tissues
39a
histology
39b
How are multicellular
algae classified?
40a
color pigment
40b
How are vacuoles in
plant cells different from
the vacuoles in animal
cells?
41a
Plant cells have larger
vacuoles
41b
how big is your heart?
42a
about the size of your fist
42b
How is the transfer of
energy from the Sun
across space
accomplished?
43a
radiation
43b
How many limbs do
tetrapods typically have?
44a
4
44b
If a car driver suddenly
makes a sharp turn, the
passenger slides to the
side of the car because of?
45a
inertia
45b
Is air a mixture?
46a
True
46b
Is malnutrition caused by
microorganisms?
47a
True
47b
Is obsidian a type of
sedimentary rock?
48a
No
48b
Is reactivity with acid
chemical property?
49a
True
49b
Is skin an organ?
50a
True
50b
lymph
51a
the fluid and particles
absorbed into lymph
capillaries
51b
lymph nodes
52a
small, bean-shaped
organs that are found
throughout your body
52b
lymphatic system
53a
a collection or organs and
vessels that return this
extra fluid to the
bloodstream
53b
Mechanical efficiency of
compound machines is
often?
54a
very low
54b
Nearly all of the energy
that fuels life comes
from?
55a
the sun
55b
New cells that form a
___________ are
produced just beneath
the lunula.
56a
nail
56b
no cell in the body is more
that three or four cells
away from a capillary
True or False
57a
True
57b
Ovules develop into?
58a
seeds
58b
part of the nephrons in
the kidney
59a
glomerulus
59b
pathogens
60a
bacteria, viruses, and
other microscopic
particles that can make
you sick
60b
pharynx
61a
throat
61b
plasma
62a
the fluid part of blood
62b
platelets
63a
pieces of larger cells
found in bone marrow
63b
pulmonary circulation
64a
the circulation of blood
between your heart and
lungs
64b
Rust is an example of
how some metals
are_______
65a
very reactive
65b
Spring tides occur when
the sun, the Earth, and
the moon form
________?
66a
a straight line
66b
Stars with what have
shorter lives
67a
greater mass
67b
substances in food that
the body needs for
growth, maintenance,
and repair
68a
nutrients
68b
systemic circulation
69a
the circulation of blood
between the heart and
the rest of the body
69b
this type of blood vessel
have thick walls that
contain muscle
70a
arteries
70b
This type of disease is
caused by pathogens that
grow inside the
bronchioles and alveoli.
71a
Pneumonia
71b
thymus
72a
releases WBCs
72b
To ensure that the plant did
not self-pollinate in his
experiments, Mendel removed
the ________ from a plant
that produced round seeds.
73a
anthers
73b
To reduce competition
fro water, desert plants
often grow
74a
far apart
74b
tonsils
75a
made up of groups of
lymphatic tissue at the back
of your nasal cavity, on the
inside of your throat, and at
the back of your tongue
75b
Tonsils sometimes
become infected and
must be removed.
True or False
76a
True
76b
valves
77a
flaplike structures
77b
vegetable soup a
mixture?
78a
True
78b
veins
79a
blood vessels that direct
blood back to the heart
79b
ventricle
80a
each lower chamber
80b
what are cells that take
oxygen to your cells?
81a
red blood cells
81b
what are found in large
arteries connected to the
heart?
82a
valves
82b
What are proteins,
nucleic acids, and ATP?
83a
carbohydrates
83b
what are the smallest
vessels of the lymphatic
system?
84a
lymph capillaries
84b
what are the three major
types of nutrients?
85a
carbohydrates, proteins,
andfats
85b
what are the three types
of blood vessels?
86a
arteries, capillaries, and
veins
86b
what are the two dunes
that trachea splits into
called?
87a
bronchi
87b
What can develop when
something irritates the
lining of the bronchi and
bronchioles?
88a
Bronchitits
88b
what causes
elephantiasis?
89a
lymphatic vessels that get
blocked by parasites
89b
what causes the lub-dub
sound that a heart
makes?
90a
closing of the valves
90b
What cells have receptors
for smelling?
91a
Olfactory cells
91b
what closes and stops
blood form going
backward?
92a
valves
92b
what defends the tonsils
in the body against
infection?
93a
WBCs
93b
What does each RBC
have?
94a
it has a protein called
hemoglobin
94b
What does the term static
mean?
95a
stationary
95b
What elements are found
in living things?
96a
nitrogen, sulfur, and
hydrogen
96b
what floats in plasma?
97a
red blood cells, white
blood cells, and platelets
97b
what gives RBCs their red
color?
98a
hemoglobin
98b
what is a condition where
people have extremely
swollen body parts?
99a
elephantiasis
99b
What is a depression that
is created by a glacier and
is usually filled with water
to form a lake or pond?
100a
kettle
100b
What is a narrow strip of
sand that is formed by
wave deposition and is
connected to the shore?
101a
spit
101b
What is a series of
tubelike organs that are
joined end to end?
102a
digestive tract
102b
What is a slow mass
movement?
103a
creep
103b
What is any information
that you gain that comes
through your senses
called?
104a
observation
104b
what is in plasma?
105a
a mixture of water,
minerals, nutrients,
sugars, proteins, and
other substances.
105b
What is the application of
scientific discoveries to
the solving of everyday
problems called?
106a
technology
106b
What is the balance
between incoming energy
and outgoing energy in
the atmosphere called?
107a
the radiation balance
107b
what is the dome-shape
muscle beneath the
lungs?
108a
diaphragm
108b
What is the fastest moving
planet? ( it is moving at
29.7 miles per second in
its orbit)
109a
Mercury
109b
What is the general role
of osmosis in a living
cell?
110a
maintain water balance
110b
What is the general term
widely used by scientists to
indicate artificial growth of
cells in a laboratory?
111a
culture
111b
What is the larges order
of mammals that is made
up of 3000 species?
112a
rodents
112b
what is the largest lymph
organ?
113a
spleen
113b
What is the leading cause
of cardiovascular diseases
and lung diseases?
114a
smoking
114b
what is the main
passageway into and out
of the respiratory
system?
115a
nose
115b
what is the passageway
for air traveling form the
larynx to the lungs?
116a
trachea
116b
what is the physical
breaking and crushing of
food called?
117a
mechanical digestion
117b
what is the plural of
atrium?
118a
atria
118b
What is the sight where
the most food is digested
and absorbed?
119a
small intestine
119b
what is the singular of
bronchi?
120a
bronchus
120b
What is the study of life
away form planet Earth
called?
121a
exobiology
121b
What is writing on the
sidewalk with sidewalk
chalk is an example of?
122a
abrasion
122b
What Kingdom are
Bacteria members of?
123a
Monera
123b
What land is formed by
deposits at the mouth of
the river?
124a
delta
124b
What part of the cell
makes the energy and its
shape is oval?
125a
mitochondria
125b
what system helps your
body fight pathogens?
126a
lymphatic system
126b
What theory states that
the Earth and the other
planets revolve around
the sun?
127a
The Heliocentric Theory
127b
what tube leads to the
lungs
128a
larynx
128b
what tube leads to the
stomach?
129a
esophagus
129b
What volcanoes are built
of layers of lava from
repeated nonexplosive
eruptions?
130a
shield
130b
What were Redi's
experiments concerned
with?
131a
origin of living things
131b
What would be the best
unit to measure the mass
of a paper clip?
132a
gram
132b
When you run a balloon
on your hair, the balloon
becomes charged
by___________
133a
friction
133b
where are valves found?
134a
between the atria and
ventricles
134b
where are WBCs made?
135a
bone marrow
135b
Where do organisms
store their energy?
136a
lipids
136b
where does blood enter
after leaving capillaries?
137a
veins
137b
where is spleen located?
138a
in the upper-left side of
your abdomen
138b
Which system returns
leaked fluids to blood
vessels and helps get rid of
germs that can be harmful?
139a
lymphatic
139b
Who discovered that the force of
gravity depends upon the
amount of matter in bodies and
the distances between the
bodies? He also formulate the
laws of gravity and motion
140a
Sir Isaac Newton
140b
Who first observed and
described
microorganisms?
141a
Leeuwenhoek
141b
Who was the scientist
associated with
antibiotics?
142a
Fleming
142b