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Science
Matters
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In humans, digestion of food is
completed in the
A. Mouth
B. Small intestine
C. Large intestine
D. stomach
B. Small intestine.
Rocks that have cooled from the
molten state are called
A.
B.
C.
D.
Igneous rocks.
Sedimentary rocks.
Metamorphic rocks.
Precipitated rocks.
A. Igneous rocks
Which of the following factors
most influences the change of
seasons?
A.
B.
C.
D.
Calendar month
Earth’s distance from the sun
Angle of the Earth’s axis
Radiation of the sun
C. Angle of the Earth’s axis
A portion of the electromagnetic
spectrum that is invisible to the
human eye and has the longest
wavelength is?
A.
B.
C.
D.
Violet.
Ultraviolet.
Infrared.
Green.
C. infrared
The parts of the atom located
outside the nucleus of the atom
are the
A.
B.
C.
D.
electrons
quarks
Neutrons
protons
A. electrons
Which of the properties listed
below is a characteristic of a
liquid but not of a gas?
A. It has the ability to flow.
B. Its molecules are constantly in motion
C. It maintains its shape in an open
container.
D. Its volume varies depending on
temperature and pressure.
C. It maintains its shape in an open container.
When a second light bulb is wired into an
electric circuit already containing one light
bulb, the first one dims. The light bulbs must
be wired in a (an)
A.
B.
C.
D.
Series circuit.
Parallel circuit.
Open circuit.
Magnetic circuit.
A. Series circuit.
What is the likely cause of
tectonic plate movement?
A. Gradual shrinking and cooling of the Earth.
B. Convection within the hot interior of the Earth.
C. Ocean currents scraping the Earth’s seafloor.
D. Solar energy heating the Earth’s interior.
B. Convection within the hot interior of the Earth.
Which of the following is part of
the nitrogen cycle?
A. Bacteria fix nitrogen from the air for use
by plants.
B. Nitrogen is a product of respiration.
C. Nitrogen is given off during
photosynthesis.
D. Green plants take atmospheric nitrogen
form the air for food.
A. Bacteria fix nitrogen from the air for use by plants.
In the design of a scientific experiment, the
investigator considers all of the factors that
may influence the results and then plans
ways to keep these factors constant. In doing
so, the investigator is engaging in the
A.
B.
C.
D.
scientific process of
Collecting data
Defining operationally
Hypothesizing
Manipulating and collecting
variables.
D. Manipulating and controlling variables
A mechanic must move an automobile
engine from the shop floor into the
engine compartment of the car. Which
simple machine would be most useful or
appropriate for this task?
A. wheel
B. pulley
C. Inclined plane
D. lever
B. Pulley
Redfish cannot be taken during
certain seasons of the year. This
is due to the depletion of the
breeding population by
A.
B.
C
D.
Contaminants.
over-fishing.
predation.
parasitism.
B. Over-fishing
The major function of animal
epithelial (skin) cells is
A.
B.
C.
D.
For protective lining.
For movement.
To transport oxygen.
To produce bone.
A. For protective lining.
Which of the following is a step
in sexual reproduction of plants?
A.
B.
C.
D.
Rhizome production
Spore production
Bulb production
Pollen production
D. Pollen production
The aorta is the largest artery in
the human body
A. Originating from the left ventricle of the heart
and carries blood toward the heart.
B. Originating from the left ventricle of the heart
and carries blood away from the heart.
C. Originating from the right ventricle of the heart
and eliminates wastes from the body.
D. Is part of the Digestive System and works with
veins to carry blood through the body.
B.
Originating from the left ventricle of the heart
and carries blood away from the heart.
On a color weather map, a cold
front is symbolized by
A. A red line with semi-circles pointed in the
direction of the movement.
B. A blue line with triangles pointed in the direction
of the movement.
C. Thin black lines circling high an low pressure
systems.
D. Green shading over all regions affected by it.
B. A blue line with triangles pointed in the direction of
the movement.
Most of our present knowledge of
Mars and Venus has been gained
by
A.
B.
C.
D.
Earth-bound radar mapping.
Earth-bound telescopes.
Manned spaceflights.
Unmanned spacecraft flights.
D. Unmanned spaceflights
Photosynthesis is
A. Carbon dioxide + water + sunlight = Glucose + oxygen
B. Carbon dioxide + water + sunlight = Glucose
C. Oxygen + glucose = carbon dioxide + water + sunlight
D. Cellular Respiration
A. Carbon dioxide + water + sunlight = Glucose + oxygen
A rolling ball will eventually come to a
stop. Which of the following things will
not influence the motion of a ball?
A.
B.
C.
D.
friction
time
Shape
Mass
B. Time
When using an electromagnet, which of
the following energy transformations
occurs?
A.
B.
C.
D.
Electrical-radiant-chemical
Magnetic-electrical-nuclear
Chemical-electrical-magnetic
Magnetic-chemical-radiant
C. Chemical-electrical-magnetic
Each living thing in a food chain plays a role
in the flow of energy in an ecosystem. In a
simple food chain the rabbit eats carrots and a
fox eats the rabbit. What is the primary role of
the rabbit in the food chain?
A.
B.
C.
D.
To form a habitat
To find a space to live
to be a source of water
to be a source of energy
D. To be a source of
energy
Which of the following strategies
is best for developing critical
thinking?
A.
B.
C.
D.
Constructing a cause/effect chart
Defining a list of prefixes & suffixes
Constructing a KWL chart
Writing definitions from a glossary
A. Constructing a cause/effect chart
A company wants to provide ID cards
for its employees. Each identification
number will begin with a letter of the
alphabet followed by two digits. How
many different ID cards can be made?
A.
B.
C.
D.
1872
2106
2340
2600
D. 2600
Supplementary angles are angles
whose measures have a sum of
A.
B.
C.
D.
90º
360º
180º
All angles combined
C. 180º
Which strategy would be most
helpful for students to use to
determine word meaning?
A.
B.
C.
D.
paraphrasing
Using context clues
Confirming
predicting
B. Using context clues