LONG TEST IN SCIENCE – 2ND GRADING PERIOD
Name: __________________________ Gr&Sec.: _______________ Date: ______________ Score: __________
I. IDENTIFICATION
Directions: Identify the term being described by following phrases or statements. Choose your answer from the
box below. Write your answer on the space provided before each number.
____________1. This type of material refracts light rays.
____________2. This type of material reflects light rays.
____________3. It refers to the bending of light rays as it passes through from one medium to another and change
speed and direction.
____________4. It refers to the bouncing of light rays as it hits a surface like mirror.
____________5. This term refers to the reversal of mirror image where the right side of the object appears on the left
side behind the mirror. Like the word AMBULANCE in an ambulance vehicle.
____________6. This type of reflection happens on smooth surfaces like still water and a mirror. Also known as
specular reflection.
____________7. This type of reflection happens on rough surfaces. Also known as diffuse reflection.
____________8. He theorized that changing magnetic field will produce electric field.
____________9. He was credited for his discovery of electromagnetic induction.
Faraday Oersted Lens Mirror Reflection
Refraction Regular Irregular Left-Right Reversal
II. MATCHING TYPE
Directions: Choose the correct answer for each item. Write only the letter of your answer on the space provided
before each item.
COLUMN A COLUMN B
A. Curved/Spherical Mirror
_____1. Curved inward A. Concave Mirror
_____2. Curved outward B. Convex Mirror
_____3. Used by dentist in checking cavities
_____4. Used in automobiles and trucks to give the driver a
wider area and smaller image of traffic
_____5. Also known as diverging mirror
_____6. Also known as converging mirror
B. Curved Lenses
_____7. A type of lens is thicker in the middle in the middle and can C. Converging Lens
make an object to appear bigger D. Diverging Lens
_____8. A type of lens is thinner in its center and thicker on its edges
_____9. Also known as convex lens
_____10. Also known as concave lens
_____11. A type of lens always produces smaller, virtual, and upright images
III. Electromagnetic Waves
A. Directions: Look at the picture of the different Electromagnetic waves. Determine which EM wave is being
described by the following statements. Write your answer on the space provided before each item.
INCREASING FREQUENCY AND ENERGY
Radio wave Microwave InfraredVisible lightUltraviolet X – ray Gamma ray
DECREASING WAVELENGTH
________________1. Highest energy ________________4. Longest wavelength range
________________2. Shortest wavelength range ________________5. Lowest frequency
________________3. Lowest energy ________________6. Highest frequency
B. Directions: Determine the correct form of EM wave that is used for the following applications.
_____________1. It enables us to see things. _____________5. gives light top the screen of our devices
_____________2. Used in thermal imaging _____________6. Used in optical fibers
_____________3. used to kill cancer cells _____________7. makes your skin tan
_____________4. used in communication _____________8. used to remove the most common
forms of microbiological contamination from water
IV. Multiple Choices
Directions: Read each item carefully. Choose the letter of the correct answer. Write your answer on the space
provided before each item.
_____1. Which of the following statements is correct?
A. Gamma ray has the highest frequency and the highest energy.
B. Gamma ray has the highest frequency but has the least energy.
C. Radio wave has the highest frequency and energy.
D. Radio wave has the lowest frequency but has the highest energy.
_____2. Which of the following choices can best describe the image formed when an object is positioned between
beyond 2F’ in front of a convex lens?
A. Beyond 2F, upright, enlarged, virtual C. Exactly at 2F, inverted, same, real
B. Between F and 2F, inverted, reduced, real D. No image formed.
_____3. In a plane mirror, how does the reflected image appear?
A. inverted and much smaller than the object C. upright and the same size as the object
B. closer than the actual object D. slightly out of focus
_____4. What will be the distance of your image from you if you stand 1.5m in front of a plane mirror?
A. 1.5 m B. 2.0 m C. 3.0 m D. 4.5 m
_____5. Zed stands 200 cm tall in front of a plane mirror. What is the height of his image?
A. 800 cm B. 600 cm C. 400 cm D. 200 cm
_____6. which theory can be best applied to explain questions 3-5?
A. Theory of Relativity B. Law of Reflection C. Law of refraction D. Law of Selection
_____7. What happens to the frequency of an EM wave if its wavelength increases?
A. decreases B. doubles C. increases as well D. remains the same
_____8. Which of the following is correctly arranged from highest to lowest energy?
A. Gamma ray, radio wave, infrared C. Ultraviolet, visible light, radio wave
B. Microwave, X-ray, gamma ray D. X-ray, Gamma ray, Ultraviolet
_____9. Which of the following uses a concave lens?
A. Magnifying glass B. Person with hyperopia C. Nearsighted corrective glasses D. Sunglasses
_____10. In an infrared camera, what color indicates a warmer temperature?
A. blue B. Green C. Violet D. Yellow
_____11. Which of the following principles explains how an electric motor works?
A. Magnetic force B. Magnetism C. Electrolysis D. Electromagnetism
_____12. Which of the following principles explains how an electric motor works?
A. Magnetic force B. Magnetism C. Electrolysis D. Electromagnetism
_____13. Which two forces are required for generators and electric motor to work?
A. Magnetic and thermal B. Magnetic & radiant C. Electric and thermal D. Electric & magnetic
_____14. Which of the following is the correct explanation of the electric motor application?
A. Electric motor produces electricity. C. It is based upon the electromagnetic induction theory.
B. Electric motor turns electricity into mechanical energy. D. It provides electricity.
_____15. Which of the following is created when a magnet moves through a coil of wire?
A. Electric current B. Electromagnet C. Solenoid D. Ferromagnet
_____16. When an object is placed at the focus in front _____17. When a small object is placed on the
of a concave lens (as in the figure below), the image principal axis of a concave mirror between the focus
formed is ___. and the mirror (as in the figure below), the image
formed is ________.
A. Upright, reduced, real
A. Upright, enlarged, virtual
B. Upright, enlarged, virtual
B. Upright, reduced, virtual
C. Upright, same, real
C. Inverted, enlarged, real
D. Upright, reduced, virtual
D. Upright, reduced, real
ANNIVERSARY OF THE INAUGURATION OF THE FIRST PHILIPPINE REPUBLIC
