Republic of the Philippines

Department of
Education
Region III – Central Luzon
Schools Division of City of Malolos
City of Malolos High School-Canalate
3rd SUMMATIVE TEST
SCIENCE 8
NAME SCORE
GRADE & SECTION DATE
I. MULTIPLE CHOICE: Direction: Choose the letter of the best answer. Write the letter only on
the space before the number.

MODULE 1: PROPERTIES OF THE THREE STATES OF MATTER

1. How does particle of liquid are attracted to each other?
A. Stay in place
B. Move fast enough to overcome almost all attraction in them
C. Move so slow to overcome some attraction between them.
D. Move fast enough to overcome some attraction between them.
2. One of the microscopic behavior of matter is its ability of the particles to move. Rank solid,
liquid and gas in order of the particle speed from highest to lowest.
A. Gas----Solid----Liquid C. Gas----Liquid --- Solid
B. Solid---Gas----Liquid D. Liquid ---Gas -- Solid
3. What do you think is the explanation of moving particle arrangement of the images below?
A. The particles are far apart and moving fast.
B. The particles are far apart and moving slowly.
C. The particles are closely packed and vibrating
past each other.
D. The particles are close together but moving past each
other.
4. The following are microscopic explanation of liquid particles EXCEPT one?
A. Flows easily
B. Rigid particles locked into place.
C. Particles can move slide past one another.
D. Assumes the shape of the part of the container which it occupies.
5. Which of the following statements describes what happens to the particles as the
temperature of a gas in a balloon increase?
A. The speed of the particles increases.
B. The volume of the gas decreases.
C. The particles of the gas increases.
D. The volume of the gas increase and the speed of the particles increase.
6. The following are the changes that happen when the orange juice is poured from a can into a
glass, EXCEPT one.
A. The same color of the orange juice.
B. The same shape of the orange juice.
C. The same taste of the orange juice.
D. The same volume of the orange juice
7. What happens to shape and size of the stone if you put it in a smaller container?
A. A stone keeps its original shape and volume.
B. A stone keeps its original shape but not its volume.
C. A stone keeps its original volume but not its shape.
D. A stone changes its original volume and its shape.
8. Why many balloons can be filled from one small tank of helium?
A. Because the particles of helium gas in a balloon is locked in.
B. Because the particles of helium gas in a balloon are far apart.
C. Because the particles of helium gas in a balloon are slightly apart.
D. Because the particles of helium gas in a balloon are very closed to each other.
9. When you poured the honey to a tablespoon it flows easily, what happens to the
particles of honey?
A. The particles slide past one another.
B. The particles close together and vibrate.
C. The particles are moving far apart and independent of one another.
D. The particles are locked in place and vibrate independently to each other.
10. Imagine inflating a balloon. Would anything happen to the shape and size of the
balloon? Which of the following statements support the correct idea?
A. Only its shape increases.
B. Only its volume increases.
C. The shape of the balloon increases and also its volume.
D. Only the shape of the balloon increases and nothing happens to its volume.
11. Why the cooking oil takes the shape of the container but the ball does not?
A. Because the ball is a liquid that has a definite volume only.
B. Because the ball is a solid that has a definite shape and volume.
C. Because the liquid has a definite volume but does not take the shape of the
container.
D. Because the cooking oil is a liquid that has a definite volume but takes the
shape of the container
12. How would you explain the microscopic behavior of the solid particles below?
A. Unnoticeable space between particles.
B. There are lots of free spaces between them.
C. There’s only little free space between them.
D. Particles can move fast one another at the same time.

13. What is the microscopic explanation why liquids easily flow?

A. Very closed to each other.
B. Rigid particles locked into place.
C. The particles of liquids move fast one another.
D. The particles in liquids move fast enough to overcome some of the
attraction between them.
14. How would you explain the distances of liquid particles?
A. There’s only little free space between them.
B. There’s unnoticeable space between particles.
C. There are lots of free spaces between them.
D. Particles are kept on moving at any direction from one place to another.
 15. Inside the shoe box are filled with paper balls. Even you kept on holding the box upside
down still they cannot move away from each other. What happen to the particles or the
paper ball?
A. Particles are kept on moving around.
B. Particles have lots of free between them.
C. Particles have a little free space between them.
D. Particles are very closed to each other and locked into placed.

MODULE 2: PHYSICAL CHANGES IN MATTER

16. Which of the following is an example of a solid turning into another state
of matter?
A. water freezing C. snow becoming a puddle
B. tearing a piece of paper D. breaking a chair into pieces
17. What happens to water when it boils?
A. It is changed into a solid. C. It is changed into a gas.
B. It is changed into a liquid. D. It does not change at all.
18. Gallium is a metal that will melt when exposed to the heat of your hand.
Which phase change does Gallium undergoes?
A. gas to a solid C. solid to a gas
B. liquid to a gas D. solid to a liquid
19. Condensation is a process where gas is changed into a liquid. Which of the
following is NOT an example of condensation?
A. Smoke from boiling water.
B. Smoke from boiling water.
C. Fog along the highway leading to Baguio.
D. Water that collects outside the glass of cold drink.
20. Ground-level fog that can be seen on some cold days.
A. Smoke from boiling water.
B. Fog along the highway leading to Baguio.
C. Water that collects outside the glass of cold drink.
D. Ground-level fog that can be seen on some cold days.
21. Which process is the reverse of evaporation?
A. condensation C. melting
B. freezing D. sublimation
22. What is it called when a solid turns directly into a gas?
A. condensation C. evaporation
B. deposition D. sublimation
23. Which of the following is NOT a process of changing matter phase?
A. evaporation C. melting
B. freezing D. mixing
24. The drops of water that appear on the outside of a glass of cold juice on a
warm day is an example of what phase change of matter?
A. Condensation: a gas turning into a liquid.
B. Deposition: a gas turning into a solid.
C. Evaporation: a liquid turning into a gas.
D. Sublimation: a solid turning into a gas.
25. When you heat a sample of gas, what happens to the particles that make up the
gas?
A. The particles move faster. C. The particles break apart.
B. The particles get smaller. D. The particles become denser.
MODULE 3. ATOMS: INSIDE OUT
26. The atomic number tells the .
a. number of electrons in the atom c. number of protons in the atom
b. number of neutrons in the atom
27. Number of protons and neutrons. Which diagram most closely represents
Rutherford’s nuclear model of anatom?

a. b. c. d.

28. Who was the first person to use the term atom (atomos: meaning indivisible).
A. Dalton B. Democritus C. Rutherford D. Thomson
29. According to the Atomic theory of John Dalton, all matter consists of tiny
particles called .
A. atom B. elements C. particles D. positively charge
30. Who proposed the plum pudding atomic model?
A. Bohr B. Dalton C. Democritus D. Thomson
31. Most of the mass of an atom is found in the .
A. Charges B. electrons C. electrons cloud D. nucleus
32. Every atom of the same element has .
A. the same mass C. the same atomic number
B. same number of neutrons D. the same weight of an atom
33. How can atoms acquire a charge?
A. By gaining or losing electrons C. By gaining or losing protons
B. By gaining or losing neutrons D. Atoms cannot acquire a charge
34. The sum of the number of protons and the number of neutrons is known as
.
A. Atomic mass B. Atomic number C. Electron D. Proton
35. How to compute the number of neutrons of an atom?
A. Always the same with number of proton
B. Proton is added to electron of an atom
C. The difference of atomic mass and atomic number
36. The product of electron and proton Carbon has 6 protons. How many electrons does
carbon have? A. 2 B.4 C. 6 D. 8
37. Sodium has an atomic number of 11. How many protons does Sodium (Na) have?
A.5 B.10 C. 11 D.12
38. Which atomic model proposed by J.J Thomson?
A. Nuclear model C. Planetary model
B. Plum pudding model D. Quantum mechanical model

39.How was the plum pudding model different from the hard-sphere model of the atom?
A. The plum pudding model included negatively charged particles known as electron
B. The plum pudding model included positively charged particles known protons
C. The plum pudding model described electron orbiting a central nucleus
D. The plum pudding model showed electrons occupying different energy levels
 40. What is the correct order of the following atomic model theories from oldest to
newest?

I. Thomson’s II. Schrodinger’s III. Dalton’s IV. Bohr’s V. Rutherford’s

a. 3,1,5,4,2 b. 2,4,5,1,3 c. 3,1,5,2,4 d. 3,1,4,5,2

MODULE 4: THE PERIODIC TABLE OF ELEMENTS

41. What do you call the chart containing information about the atoms that make up all matter?

a. bubble chart b. line chart column chart d. periodic table

42. Who formed the triad of elements with similar properties like the triad of calcium, barium
and strontium?
a. Albert Einstein c. Johann Dobereiner
b. Dmitri Mendeleev d. Lothar Meyer
43. What do you call with the vertical columns of the periodic table of elements?
a.families c.period.
b.groups d.valence
44. Which of the following refers to the horizontal row of numbers from top to bottom of the periodic table?
a. families c. periods
b. groups d. valence
45. What is the majority of elements on the left side of the periodic table?
a. metal c.noble gases
b. metalloid d.non-metal
46. What do you call an elements with some metal properties but behaves non- metal in certain
instances?
a. metal c. non-metal
b.metalloids d. semi conductor

47. Which of the following is a non-metal element?

a. copper b. neon c. lithium d. silicon
48. Who was the English chemist who proposed the law of octave?
a. Dmitri Mendeleev
b.Johann Dobereiner c. John Newlands
d.Lothar Meyer
49. Which of the following changes can acquire the metallic character from left to right of
periodic table?
a. ascending metallic character c. gaining metallic character
b. decreasing metallic character d. increasing metallic character

50. Which of the following changes can acquire the non-metallic character from left to right of
periodic table?
a. decreasing metallic character c. increasing metallic character
b. descending metallic character d. losing metallic character

PREPARED BY: NOTED:

MRS. CONNIE T. CHAN MARICRIS DC. SALAMODING

Science Teacher School Head
a. electron
b. neutron
c. nucleus
d. proton
15. Inside the shoe box are filled with paper balls. Even you kept on holding the box upside down still they
cannot move away from each other. What happen to the particles or the paper ball?
E. Particles are kept on moving around.
F. Particles have lots of free between them.
G. Particles have a little free space between them.
H. Particles are very closed to each other and locked into placed.