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G8 - Q3 - SCIENCE REVIEWER SY 23-24

Total questions: 64

Worksheet time: 48mins

Name
Class
Date
1.

Which states of matter can copy the shape of its container?

a)

solid and liquid

b)

solid and gas

c)

gas and liquid

d)

liquid only

2.

Which state of matter has a constant or definite shape?

a)

solid only

b)

liquid and gas

c)

liquid only

d)

solid and gas

3.

In which state matter can water exist?

a)

solid, liquid, and gas

b)

solid and liquid

c)

liquid and gas

d)

liquid only

4.

Which of the following is CORRECT about the Particle Nature of Matter?

a)

All matters are made up of tiny particles.

b)

The particles in the matter do not move.

c)

There is no space in between particles of matter.

d)

The particles in matter do not attract or repel each other.

5.

Which state of matter contains tightly packed particles?

a)

solid only

b)

liquid only

c)

gas only

d)

liquid and gas

6.

Which statement BEST describes the movements of gas particles?

a)

They don't move

b)

They move in curved path

c)

They move in a straight line

d)

They have random motions

7.

Which BEST describes the shape and volume of liquid substances?

a)

Definite Shape

Definite Volume

b)

Indefinite Shape

Indefinite Volume

c)

Definite Shape

Indefinite Volume

d)

Indefinite Shape

Definite Volume

8.

How does the molecular arrangement of gases differ from other states of matter?

a)

They are light and far away from each other

b)

They are distant away with no regular arrangement

c)

They are freely moving and far away from each other

d)

They are very far from each other, freely moving, and have random movements

9.

Which shows the arrangement of particles of solid substances?

a)

b)

c)

d)

none of these

10.

Which shows the arrangement of particles of liquid substances?

a)

b)

c)

d)

none of these

11.

Which shows the arrangement of particles of gas substances?

a)

b)

c)

d)

none of these

12.

What happens to the velocity and arrangement of water molecules when wet clothes dry under the Sun?

a)

velocity and arrangement do not change

b)

slows down and moves closer together

c)

speeds up and moves away from each other

d)

velocity and arrangement change randomly

13.

Based on this illustration, which describes the structure of water BELOW 0 °c?

a)

becomes solid

b)

becomes liquid

c)

becomes gas

d)

does not change

14.

Based on this illustration, which describes the structure of water ABOVE 100 °c?

a)

becomes solid

b)

becomes liquid

c)

becomes gas

d)

does not change

15.

Which of the following tells why liquid cannot be compressed easily?

a)

There are no spaces between particles

b)

Spaces between particles are just enough for them to vibrate

c)

Spaces between particles are just enough for them to slide past each other

d)

There are plenty of spaces to add more particles

16.

Which processes of phase changes make the particles of substances move faster and farther away from each other?

a)

Condensation

Freezing

Deposition

b)

Evaporation

Condensation

Melting

c)

Evaporation

Melting

Sublimation

d)

Freezing

Melting

Sublimation

17.

Which processes of phase changes make the particles of substances move slower and closer with each other?

a)

Condensation

Freezing

Deposition

b)

Evaporation

Condensation

Melting

c)

Evaporation

Melting

Sublimation

d)

Freezing

Melting

Sublimation

18.

Which processes of phase changes happen when matters release heat?

a)

Condensation

Freezing

Deposition

b)

Evaporation

Condensation

Melting

c)

Evaporation

Melting

Sublimation

d)

Freezing

Melting

Sublimation

19.

Which processes of phase changes happen when matters absorb heat?

a)

Condensation

Freezing

Deposition

b)

Evaporation

Condensation

Melting

c)

Evaporation

Melting

Sublimation

d)

Freezing

Melting

Sublimation

20.

Which type of change can create new substances?

a)

chemical change

b)

phase change

c)

physical change

d)

mixture

21.

Which type of change does not create new substances and only affects the state of matter?

a)

chemical change

b)

phase change

c)

physical change

d)

mixture

22.

Which type of change does not create new substances?

a)

chemical change

b)

phase change

c)

physical change

d)

mixture

23.

Which of the following is an example of a physical change?

a)

decomposing garbage

b)

melting ice

c)

burning paper

d)

baking bread

24.

Which of the following is an example of chemical change?

a)

cutting paper into different shapes

b)

melting silver to create a ring

c)

rotting of meat

d)

mixing coffee and water

25.

What happens to water molecules during the boiling process?

a)

speed up,

move farther apart,

and lose heat

b)

speed up,

move farther apart,

and absorb heat

c)

slow down,

move closer together,

and lose heat

d)

slow down,

move farther apart,

and absorb heat

26.

What physical changes occur when a candle is lit?

a)

Gas and smoke are produced

b)

Flame is produced

c)

The candle wax melts

d)

The wick changes into ash

27.

Which process of phase change takes place when water vapor in the atmosphere turns into clouds?

a)

condensation

b)

evaporation

c)

sublimation

d)

evaporation and condensation

28.

Which of the following pairs is not related to each other?

a)

moth balls : sublimation

b)

ice : melting

c)

dry ice : deposition

d)

ice : evaporation

29.

Which shows one example of physical and chemical change?

a)

melting wax

mixing coffee and water

b)

baking a cake

rusting iron

c)

freezing water

boiling of water

d)

melting ice

burning paper

30.

Which process of phase change takes place when liquid water on the surface of the Earth turns into gas form?

a)

condensation

b)

evaporation

c)

freezing

d)

sublimation

31.

Which process of phase change takes place when water vapor in the atmosphere turns into snow?

a)

condensation

b)

deposition

c)

freezing

d)

sublimation

32.

What will happen to the molecules of an ice cube as it is heated on a pan?

a)

They will move slower

b)

They will move closer together

c)

They will move faster

d)

They will condense and turns into gas

33.

Which phase change happens as a matter releases heat to the environment?

a)

freezing

b)

evaporation

c)

melting

d)

sublimation

34.

What happens to the temperature of the water molecules as they transform from water vapor into clouds?

a)

does not change

b)

becomes colder

c)

becomes hotter

d)

changes randomly

35.

Which philosopher proposed that all matters are made up of combinations of four elements – water, earth, fire, and air?

a)

Aristotle

b)

John Dalton

c)

Democritus

d)

Niels Bohr

36.

Who discovered the nucleus of the atom by performing the gold foil experiment?

a)

Ernest Rutherford

b)

Niels Bohr

c)

James Chadwick

d)

Erwin Schrödinger

37.

Who discovered the electrons in atoms using the Cathode Ray Tube Experiment?

a)

Ernest Rutherford

b)

J. J. Thomson

c)

James Chadwick

d)

Erwin Schrödinger

38.

Who discovered the neutrons?

a)

Ernest Rutherford

b)

J. J. Thomson

c)

James Chadwick

d)

Niels Bohr

39.

Who is the proponent of Quantum Mechanical Model of the Atom?

a)

Ernest Rutherford

b)

John Dalton

c)

Niels Bohr

d)

Erwin Schrödinger

40.

Who is the proponent of Solid Sphere Model of the Atom?

a)

Ernest Rutherford

b)

John Dalton

c)

Niels Bohr

d)

Erwin Schrödinger

41.

What are the 3 subatomic particles that make up an atom?

a)

proton

neutrons

isotopes

b)

protons

nucleus

electrons

c)

protons

electrons

neutrons

d)

periods

blocks

orbitals

42.

Which of the following particles are responsible for the Atomic Mass?

a)

proton

electron

b)

proton

neutron

c)

electron

neutron

d)

proton only

43.

Which of the following particles are responsible for the Charge of the Atom?

a)

proton

electron

b)

proton

neutron

c)

electron

neutron

d)

proton only

44.

Which subatomic particle was the last to be discovered because it has neutral charge?

a)

electron

b)

nucleus

c)

neutron

d)

proton

45.

What is the name of this Atomic Model proposed by J.J. Thomson?

a)

Plum-Pudding Model

b)

Solid Sphere Model

c)

Atomism

d)

Nuclear Model

46.

How many protons does an atom with an atomic mass of 35 amu and atomic number of 17 have?

a)

17

b)

18

c)

35

d)

52

47.

How many neutrons does an atom with an atomic mass of 35 amu and atomic number of 17 have?

a)

17

b)

18

c)

35

d)

52

48.

How many protons, electrons, and neutrons does a NEUTRAL Hydrogen - 1 atom have?

a)

p = 1

e = 1

n = 1

b)

p = 1

e = 1

n = 0

c)

p = 1

e = 0

n = 1

d)

p = 1

e = 2

n = 0

49.

How many protons, electrons, and neutrons does a NEUTRAL Potassium - 39 atom have?

a)

p = 39

e = 39

n = 39

b)

p = 19

e = 19

n = 20

c)

p = 19

e = 19

n = 39

d)

p = 19

e = 20

n = 39

50.

Which of the following atoms are considered isotopes of each other?

a)

Atoms A & I

b)

Atoms I & C

c)

Atoms S & C

d)

Atoms I & C

51.

Which of the following atoms are considered as ions?

a)

Atoms A & I

b)

Atoms I & C

c)

Atoms S & C

d)

Atoms I & C

52.

Which illustration shows the Planetary Model of this Calcium Ion?

a)

b)

c)

d)

53.

Carbon has an Atomic Number of 6. What is the Electron Configuration of Carbon in the Modern Periodic Table of Elements?

a)

Period 2 & P-Block

b)

[He] 2s2 2p2

c)

2p2

d)

[He] 2s2 2p6

54.

Neon has an Atomic Number of 10. What is the Electron Configuration of Neon in the Modern Periodic Table of Elements?

a)

Period 2 & P-Block

b)

[He] 2s2 2p2

c)

2p2

d)

[He] 2s2 2p6

55.

Nickel has an Atomic Number of 28. What is the Electron Configuration of Nickel in the Modern Periodic Table of Elements?

a)

[Ar] 4s2 3d8

b)

[Ar] 4s2 4d8

c)

[Ar] 4s2 5d8

d)

[Kr] 4s2 3d8

56.

Chlorine is a member of the Halogen Group. What kind of element is Chlorine?

a)

semi-metal

b)

metal

c)

non-metal

d)

metalloid

57.

In which Family of Elements does Helium belong to?

a)

S-Block

b)

Period 1

c)

Non-metals

d)

Noble Gases

58.

Magnesium (Mg), Calcium (Ca), Strontium (Sr), and Barium (Ba) belong to periods 3, 4, 5, 6. Which Element has the largest Atomic Radius?

a)

Ba

b)

Ca

c)

Mg

d)

Sr

59.

Magnesium (Mg), Calcium (Ca), Strontium (Sr), and Barium (Ba) belong to periods 3, 4, 5, 6. Which Element has the smallest Atomic Radius?

a)

Ba

b)

Ca

c)

Mg

d)

Sr

60.

Lithium (Li), Potassium (K), Rubidium (Rb), and Cesium (Cs) belong to periods 2, 4, 5, 6. Which Element has the Highest Reactivity to water?

a)

Cs

b)

K

c)

Li

d)

Rb

61.

Lithium (Li), Potassium (K), Rubidium (Rb), and Cesium (Cs) belong to periods 2, 4, 5, 6. Which Element has the Lowest Reactivity to water?

a)

Cs

b)

K

c)

Li

d)

Rb

62.

Which of the following describes the Atomic Radius of Elements in the periodic table from top to bottom?

a)

stays the same

b)

decreases

c)

fluctuates

d)

increases

63.

Which of the following describes the Atomic Radius of Elements in the periodic table from left to right?

a)

stays the same

b)

decreases

c)

fluctuates

d)

increases

64.

Which of the following describes the Reactivity of Alkali Metals with water in the periodic table from top to bottom?

a)

stays the same

b)

decreases

c)

fluctuates

d)

increases

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