SCIENCE LEVEL 3
1. On what layer of the atmosphere does the earth’s weather generally occurs?
A. mesosphere
B. troposphere
C. stratosphere
D. thermosphere
2. The bottom of a pool appears shallower than what is actually is. This phenomenon
can be attributed to ___.
A. Reflection
B. Refraction
C. Diffraction
D. Interference
3. Bren was stranded on a small island for 3 months. He ate large amounts of coconuts,
root crops and fish. When he was finally rescued he was found to have bleeding gums
and his wounds took a long time healing. He most probably suffers from what?
A. Malnourishment
B. Overnourishment
C. Vitamin deficiency
D. Undernourishment
4. According to PHIVOLCS, there is an earthquake originated 10 km near East
Zambales Fault. What is most likely to happen?
A. Cebu will be greatly affected because it is the epicenter of the earthquake.
B. Zambales will not experience severe damage because it is away from the epicenter.
C. Pangasinan will experience severe damage because it is near the epicenter.
D. Manila will experience greater magnitude because it is where the focus of the
earthquake.
5. Maria looks very pale and thin. She is suffering from leukemia. What could be the
possible cause?
A. There is abnormal increase in her white blood cells.
B. There is a lesser amount of oxygen in her body
C. There is an abnormal increase in her red blood cells
D. There is lack of platelets in her blood.
SCIENCE LEVEL 3
1. As the tropical cyclone reaches the landmasses, it eventually weakened and died out
near land. This is because of _________.
A. low pressure area in the landmasses
B. rising of cold water in the landmasses
C. cut off from the warm ocean waters
D. formation of high pressure as the tropical cyclones reach the land
2. Why is it difficult to stop a moving truck than to stop a moving bicycle?
A. The truck has more inertia but needs lesser force to stop it.
B. The truck has lesser inertia and needs lesser force to stop it.
C. The truck has more inertia and needs more force to stop it.
D. The truck has lesser inertia but needs greater force to stop it.
3. The light bulb in the brake light of a car is white. The light transmitted through the red
plastic cover appears red because the cover
A refracts the red wavelengths of visible light.
B reflects the red wavelengths of visible light.
C absorbs all visible wavelengths except for red.
D transmits all visible wavelengths except for red.
4. What gland has the control to the functions of both the testes and ovaries?
A. Thyroid gland
B. Pituitary gland
C. Prostate gland
D. Parathyroid
5. Which of the following shows the highest tendency to form an ionic bond?
A. metal and a nonmetal
B. two nonmetals
C. noble gas elements
D. two metal elements
SCIENCE LEVEL 3
1. A light ray traveling obliquely to a convex mirror’s axis, goes directly to the mirror’s
center of curvature before striking the mirror’s surface. What is the direction of the
reflected ray after hitting the mirror?
a. It travels parallel to the mirror’s axis
b. It passes through the mirror’s focal point
c. It travels at right angles to the mirror’s axis
d. It travels back through the mirror’s center of curvature.
2. A loop of conductor lies flat on a horizontal table. A toy magnet is hanging still over it
with the magnet’s north-seeking pole pointing down. What happens next?
a. The magnet produces a clockwise current in the coil.
b. The magnet does not produce any current in the coil.
c. The magnet produces an upward electromagnetic current.
d. The magnet produces a counterclockwise current in the coil
3. Why does it seem that meteors during a meteor shower appear to come from only on
point in the sky? Meteors are travelling in _______________.
A. parallel paths with the same velocity
B. different paths with the same velocity
C. parallel paths with the different velocity
D. different paths with the different velocity
4. How will you describe the magnetic field around a straight current-carrying wire?
A. The magnetic field is strongest near and around the wire.
B. The magnetic field consists of straight lines parallel to the wire.
C. The magnetic field does not vary with the distance from the wire.
D. The magnetic field gets stronger with increasing distance from the wire.
5. If you look down on a pool of wavy water, you can’t see your face clearly. Which one
of the following gives the best explanation for this observation?
a. Light entering the water is dispersed.
b. Regular reflection of light happens on the surface of wavy water.
c. Irregular reflection of light happens on the surface of wavy water.
d. Light is reflected from the surface of water in the different direction.
SCIENCE LEVEL 3
1. An object is placed between a concave mirror and its focal point. What is the type
and orientation of the image formed?
A. virtual and inverted
B. real and inverted
C. virtual and erect
D. real and erect
2. Joshua, a grade 10 student, feels awkward he does not grow tall. He feels his
muscles and bones are weak. The doctors says he lacks calcium. Which gland is
responsible for control of calcium absorption?
A. Adrenal gland
B. Parathyroid Gland
C. Thymus Gland
D. Pineal Gland
3. What happens to light rays when it strikes a plane mirror?
A. Scattered
B. Refracted
C. Diffracted
D. Regular Reflected
4. A jelly absorbs both red and green light. What is the color of the light transmitted
through the jelly?
A. orange
B. blue
C. yellow
D. black
5. A thermometer is immersed in warm water, the liquid inside the tube rises. What is
the effect
of heat on the liquid in the thermometer.
A. Temperature change
B. Thermal expansion
C. Phase Change
D. Chemical Change