Answered

Name:
KAGAWARAN
NG
EDUKASYON
DEPARTMENT OF EDUCATION
Region IV-A
DIVISION OF RIZAL
Morong National High School
RIZAL
FINAL EXAMINATION IN GRADE 8 SCIENCE
Grade 8 Science
Section:
Date:
Score:
DIRECTION: Read every item carefully then choose the correct answer from the options. Write the letter of the
answer on your answer sheet.
1. Based on the scientific definition of work, which illustration shows work being done?
A.
A boy pushing a wall
B.
A waiter carrying a tray
C.
A girl carrying a bag while walking
D.
A girl pulling her cart.
2. The energy of an object due to its position is called _
A. Kinetic Energy
B. Potential Energy
C. Rest Energy
D. Reserved Energy
C. quadrupled
D. tripled
3. If the speed of a truck is doubled. Its kinetic energy is
A. doubled
B. halved
4. How should the three states of matter be arranged such that the speed of sound in them is from slowest to fastest?
A. Gas, liquid, solid
B. Solid, liquid, gas
5. The speed of sound in air at 0°C is
A. Greater than the speed of light
B. 100 km/hr
6. When particles in an object move faster, the speed of sound through it is
A.
Slower
B. Faster
7. From red to violet, the visible spectrum is arranged in
C. solid, gas liquid
C. 100 m/hr
D. 331 m/s
D. liquid, solid, gas
C. not affected
D. affected if the object is solid
V
A. increasing energy
B.. decreasing energy
8. The characteristic of light responsible for the formation of colors is
C. increasing wavelength
D. decreasing speed
1
A. amplitude
B. velocity
C. Quality
D. wavelength
9. Which of the following colors in the spectrum has the shortest wavelength and the greatest energy?
A. Blue
C. violet
10. Which of the following illustrates white light entering and leaving a prism?
B. red
D. yellow
A.
B.
C.
Violet
Red
D.
Red
Violet
11. It refers to the rate at which electricity is transformed into other forms of energy.
A.
Power
B. Voltage
C. Resistance
D. Energy
12. How do you describe a part of a circuit where no current can pass because of a break or discontinuity?
A. Short
B. Open
C. overloaded
D. short circuit



Answer :

GinnyAnswer
1. Based on the scientific definition of work, the illustration that shows work being done is:
B. A waiter carrying a tray

2. The energy of an object due to its position is called:
B. Potential Energy

3. If the speed of a truck is doubled, its kinetic energy is:
A. doubled

4. The arrangement of the three states of matter from slowest to fastest speed of sound is:
A. Gas, liquid, solid

5. The speed of sound in air at 0°C is:
D. 331 m/s

6. When particles in an object move faster, the speed of sound through it is:
B. Faster

7. From red to violet, the visible spectrum is arranged in:
B. decreasing energy

8. The characteristic of light responsible for the formation of colors is:
D. wavelength

9. The color in the spectrum with the shortest wavelength and the greatest energy is:
C. violet

10. Illustration of white light entering and leaving a prism:
A. Violet
D. Red

11. The rate at which electricity is transformed into other forms of energy is called:
A. Power

12. A part of a circuit where no current can pass due to a break or discontinuity is described as:
B. Open

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