Republic of the Philippines
Department of Education
NATIONAL CAPITAL REGION
SCHOOLS DIVISION OFFICE- MALABON CITY
Tinajeros National High School
B. Rivera St., Tinajeros, Malabon City
3rd Quarter Formative Examination
Science 8
S.Y. 2022-2023
Name: ________________________________ Year and Section: ________________ Score: _________
Multiple Choice: Read and analyze each question carefully. Choose the letter of the best answer.
1. When you are observing a sample of matter you are focusing a particular characteristic. What term refers to the characteristics that
describe a sample of matter?
A. color
B. mass
C. property
D. volume
2.
Which of the following given sets of samples are solids?
A. stone, nail, pen
C. radio, car, gasoline
B. ice, water, crayon
D. oxygen, stone, ice cream
3. 3. Which of the following is NOT true about the particles of solids, liquids, and gases?
A. Liquids have definite volume.
B. Gas particles are far from each other.
C. Solids have indefinite shape and volume.
D. Liquids take the shape of their containers.
4. Which of the following statements is FALSE regarding the particle model of matter?
A. The particles of matter in solid attract each other.
B. The particles of matter in solid are vibrating in a fixed position.
C. The space in between the particles of matter in solid is filled with air.
D. The particles of matter in a gas are randomly moving in any direction.
5. Which of the following states of matter allow an easy flow of particles?
A. Gas and liquid
C. Solid and gas
B. Liquid and solid
D. Solid, liquid and gas
6. Which of the following has the strongest force of attraction between the particles?
A. gas
B. liquid
C. solid
D. vacuum
7. Which BEST describes the particles of a solid?
A. completely unmoving
C. have weak attractive force
B. vibrating at a fixed position
D. have large spaces in between
8. Which of the following states of matter has an indefinite shape and definite volume?
A. gas
B. liquid
C. solid D. both a and b
12. When you inflate a balloon with air, it takes the shape and volume of the
container. Why do gases like air do NOT have definite shape and volume?
A. Because gases are free to move slowly.
B. Because gases have weak attractive forces.
C. Because gases do not have attractive forces.
D. Because gases have strong attractive forces.
13.Which of the following statements BEST describes the particles of a liquid?
A. Particles are closely packed.
C. Particles are far from each other.
B. Particles are free to move slowly.
D. Particles are held by strong attractive forces.
14. Which transformation process changes a solid state of matter to a gaseous
state?
A. evaporation B. freezing
C. melting
15. Which of the following processes changes a gaseous state of matter to a solid state?
A. depostion B. freezing
C. melting
16. Which transformation process changes a solid state of matter to a liquid
state?
A. condensation
B. evaporation
C. freezing
17. What phase transformation occurs when clouds precipitate in the form of
rain?
A. condensation
B. evaporation
C. melting
18. What will happen to the kinetic energy of the particles of matter if the
temperature will increase?
A. decrease
B. increase
C. remains the same
D. neither increase nor decrease
19. What happens to the arrangement of particles of solid, liquid and gas as the
temperature of particles decreases?
A. Particles are becoming closer together
B. Particles move farther apart from each other
C. There is no change in the arrangement, it stays the same.
D. It becomes disordered and then changes back to become ordered
20. What conditions favor evaporation?
A. Increase of temperature and increase of kinetic energy.
B. Decrease of temperature and decrease of kinetic energy.
C. Increase of temperature and decrease of kinetic energy.
D. Decrease of temperature and increase of kinetic energy.
D. sublimation
D. sublimation
D. melting
D. freezing
21. Which situations undergoes phase change?
A. cleaning of room
C. melting of ice drop
B. opening of tin can
D. chewing of bubble gum
22. What phase change takes place as ice candy solidifies?
A. condensation
B. evaporation
C. freezing
D. sublimation
23. Which of the following processes leads to the decrease in the movement of particles?
A. melting → evaporation
C. condensation → freezing
B. freezing → sublimation
D. deposition → sublimation
24.Which of the following activities turns liquid into another state of matter?
A. boiling of water
C. pouring water in a glass
B. stirring of lemon juice
D. discarding used water in a sink
25.What phase change occurs in drying wet clothes?
A. condensation
B. evaporation
C. melting
D. sublimation
26. Element A has a mass number of 100 while element B has an atomic number of 118. What will be the number of electrons of element B?
A. 59
B. 60
C. 118
D. 120
27.Which of the elements does NOT belong to the same period?
A. Ag
B. Co
C. I
D. Xe
28. Which of the following belongs to the same family of element Phosphorus?
A. Carbon
B. Magnesium
C. Nitrogen
D. Oxygen
29. In what period is Manganese located?
A. four
B. nine
C. seven
D. two
30. The following elements belong to the same group EXCEPT?
A. Argon
B. Calcium
C. Helium
D. Krypton
31. Which of the following BEST describes metals?
A. Metals are dull and brittle.
B. Metals are insulators and poor conductors of heat.
C. Metals are lustrous, malleable, ductile, and good conductors of heat and electricity.
D. Metals are dull, brittle, malleable, ductile, and good conductors of heat and electricity.
32. Which of the following statements are NOT TRUE for metalloids?
I. They are all semiconductors.
II. They are all good conductors of heat and electricity.
III. Some of these elements are Boron, Silicon, and Germanium.
IV. They are borderline elements that exhibit both metallic and nonmetallic properties to some extent.
A. I and II
B. II and III
C. I and III
D. II and IV
33. Which metal will most likely replace Copper in Copper (II) chloride?
A. Aluminum
B. Iron C. Platinum
D. Silver
34. Which metal is found at the bottom of the activity series of metals?
A. Copper
B. Gold C. Iron
D. Platinum
35. Which metal is widely used as jewelry?
A. Aluminum
B. Gold
C. Potassium
D. Zinc
36.Which one of the following transition metals reacts the least with water?
A. Copper
B. Gold
C. Platinum
D. Silver
37.Which one of the following metals reacts most violently with cold water?
A. Aluminum
B. Copper
C. Lithium
D. Zinc
38.Which of the following is arranged according to increasing reactivity?
A. Fe, Cu, K, Ca
C. Cu, Ca, Fe, K
B. Cu, Fe, Ca, K
D. Ca, Fe, Cu, K
39.In which arrangement of elements will reactivity generally become greater?
A. left to right
C. top to bottom
B. bottom to top
D. both A and C
40.Which sets of metals follows the trend of reactivity in a group?
A. K, Li, Na, Rb
C. Li, Na, K, Rb
B. Li, K, Na, Rb
D. Na, Li, K, Rb
41.Sodium, Magnesium, and Aluminum belong to period 2. Which of the following statements is correctly stated?
A. Aluminum repels Magnesium from its compound.
B. Sodium bonds with Aluminum from its compound.
C. Aluminum displaces Sodium from its compound.
D. Sodium pushes out Aluminum from its compound.
For items 42-43 refer to the image.
42. Which of the following represents the s-block?
43. Which of the following represents the p-blocks?
44. Which of the following subatomic particles determine the identity of an atom?
A. protons B. neutrons
C. protons plus neutrons
D. electrons plus protons
45. An atom of an element is electrically neutral because the number of protons is equal to the number of _____________.
A. electrons
B. neutrons
C. nucleons
D. nucleus
46. One isotope of oxygen has the atomic number 8 and the mass number 18. An atom of this isotope contains _____________.
A. 8 protons
B. 8 neutrons
C. 9 neutrons
D. 18 electrons
47. An element has atomic number equal to 84 and a mass number of 210. Which of the following will correctly describe the element in terms
of the number and type of particles present?
A. 84 protons and 84 neutrons
C. 84 protons and 126 neutrons
B. 84 protons and 210 neutrons
48. What is the electron configuration of Chlorine?
A.1s 2 2s 2 2p 6 3s 2 3p 6
B. 1s 2 2s 2 2p 6 3s 2 3p 4
49. What is the electron configuration for Calcium?
A. 1s2 2s2 2p6 3s2 3p6 4s2
B. 1s2 2s2 2p6 3s2 3p6 4s1
50. What is the last subshell of element Nickel?
A. s
B. p
D. 84 protons and 126 electrons
C. 1s 2 2s 2 2p 6 3s 2 3p 5
D. 1s 2 2s 2 2p 6 3s 2 3p 3
C. 1s2 2s2 2p6 3s2 3p5 4s2
D. 1s1 2s2 2p6 3s2 3p6 4s2
C. d
D. f