wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Y8 Ultimate Revision Quiz (Mr Chow)

Total questions: 91

Worksheet time: 49mins

Name
Class
Date
1.

What is the chemical symbol for potassium?

a)

P

b)

Pt

c)

K

d)

Pm

2.

What is the chemical symbol for sodium?

a)

S

b)

So

c)

Sd

d)

Na

3.

What is the chemical symbol for sulphur?

a)

Su

b)

S

c)

Sr

d)

Sp

4.

What is the chemical symbol for phosphorus?

a)

P

b)

Ph

c)

L

d)

Ps

5.

Which of the following are metals?

a)

sodium

b)

nitrogen

c)

potassium

d)

xenon

6.

Which of the following are general properties of metals?

a)

tough

b)

high density

c)

sonorous

d)

ductile

7.

Both sound waves P and Q shown were recorded in the same period of time (1 second). Which of the following are true about them?

a)

P and Q have the same frequency.

b)

P and Q have the same amplitude.

c)

P has lower frequency.

d)

Q has a higher amplitude.

e)

P sounds softer.

8.

Both sound waves X and Y shown were recorded in the same period of time (1 second) with the same loudness. Which of the following are true about them?

a)

X and Y have the same frequency.

b)

X and Y have the same amplitude.

c)

X has lower frequency.

d)

Y has a higher amplitude.

e)

Y has a higher pitch.

9.

Both sound waves A and B shown were recorded in the same period of time (1 second). It was observed that B has higher crests (peaks) than A. Which of the following are true about them?

a)

A and B have the same frequency.

b)

B is louder than A.

c)

A has a lower pitch.

d)

B has a frequency of 10 Hz

e)

A has a frequency of 2 Hz

10.

Lee looks at different sound traces with an oscilloscope. Describe what is happening to the sound from A to B. The pitch of the sound ________________

a)

increases

b)

decreases

c)

stays the same

11.

Lee looks at different sound traces with an oscilloscope. Describe what is happening to the sound from A to B. The frequency of the sound ________________

a)

increases

b)

decreases

c)

stays the same

12.

Lee looks at different sound traces with an oscilloscope. Describe what is happening to the sound from A to B. The volume of the sound ________________

a)

increases

b)

decreases

c)

stays the same

13.

Lee looks at different sound traces with an oscilloscope. Describe what is happening to the sound from A to B. The amplitude of the sound ________________

a)

increases

b)

decreases

c)

stays the same

14.

The number of complete wave cycles per second is called _______________ and it is measured in _________________.

a)

frequency, decibels (dB)

b)

frequency, Hertz (Hz)

c)

amplitude, decibels (dB)

d)

wavelength, centimeter (cm)

15.

Which of the following are true about the image shown?

a)

The switch is closed.

b)

The switch is open.

c)

The bulb will light up.

d)

The bulb will not light up.

16.

Which of the following are true about the image shown?

a)

The switch is closed.

b)

The switch is open.

c)

The bulb will light up.

d)

The bulb will not light up.

17.

In an electrical circuit, when the switch is __________ it means the circuit is not connected and an electrical current cannot flow through the circuit.


When the switch is ______________ it means the circuit is connected and electricity flows through the circuit.

a)

open, closed

b)

closed, open

c)

open, open

d)

closed, closed

18.

Metals are generally ductile. This means that...

a)

They are flexible.

b)

They are hard to bend.

c)

They can be stretched into wires.

d)

They can knocked and shaped easily.

19.

An experiment was conducted to investigate if water is needed for photosynthesis. Both plants were placed at the same location under the sun.


What is the independent variable in this experiment?

a)

amount of light

b)

presence of water

c)

type of plant

d)

type of soil

20.

An experiment was conducted to investigate if water is needed for photosynthesis. Both plants were placed at the same location under the sun.


What are the controlled variables in this experiment?

a)

amount of light

b)

presence of water

c)

type of plant

d)

presence of carbon dioxide around the plant

21.

A plant that receives more sunlight will grow taller than a plant of the same type that receives less sunlight.

a)

True

b)

False

22.

R (a)   is the process that produces the energy for us to carry out our daily lives.

23.

Which of the following is the word equation for respiration?

a)

carbon dioxide + water --> oxygen + glucose

b)

carbon dioxide + glucose --> oxygen + water

c)

oxygen + glucose --> carbon dioxide + water

d)

oxygen + carbon dioxide --> glucose + water

24.

Which of the following is the word equation for photosynthesis?

a)

carbon dioxide + water --> oxygen + glucose

b)

carbon dioxide + glucose --> oxygen + water

c)

oxygen + glucose --> carbon dioxide + water

d)

oxygen + carbon dioxide --> glucose + water

25.

When iron reacts with _____________ and _______________, it forms rust (hydrated iron oxide).

a)

oxygen and carbon dioxide

b)

oxygen and glucose

c)

carbon dioxide and water

d)

oxygen and water

26.

The oxygen that causes rust (hydrated iron oxide) in iron comes from... (multiple answers)

a)

air

b)

water

c)

the iron itself

d)

Holland

27.

Rust is....

a)

iron oxide

b)

hydrated iron oxide

c)

ironic oxygen

d)

ironic oxide

28.

The graph shows Ali's distance time graph. What is his speed? Please include the unit in your answer.

(a)  

29.

The image shows a distance time graph of John's journey. What was John's speed at C?

a)

120 km/hr

b)

47.5 km/hr

c)

60 km/hr

d)

2 km/hr

30.

The image shows a distance time graph of John's journey. What was John's speed at A?

a)

15 km/hr

b)

2.73 km/hr

c)

30 km/hr

d)

0.067 km/hr

31.

Which of the following is a mixture? (Multiple answers)

a)

Chalk in water

b)

Calcium chloride

c)

Sugar solution

d)

Distilled water

32.

Seawater is an example of...

a)

a mixture

b)

an element

c)

a compound

d)

none of the above

33.

What happens when you mix gravel and warm water? (Multiple answers)

a)

A mixture is formed.

b)

A compound is formed.

c)

The gravel changes its chemical properties.

d)

The water maintains its physical properties.

e)

They can be separated physically.

34.

Which of the following are true about a compound? (Multiple answers)

a)

It is formed when two or more elements chemically combine.

b)

It has the same properties from the individual elements that form it.

c)

It has different properties from the individual elements that form it.

d)

It can be physically separated into the individual elements that form it.

35.

Sodium chloride (NaCl) is the salt that is commonly used in cooking. This is an example of a/an...

a)

element

b)

mixture

c)

compound

36.

Sugar that we commonly use at home is made up of mostly sucrose (C12H22O11). Sucrose is an example of a/an...

a)

element

b)

mixture

c)

compound

37.

Which diagram shows one element made of molecules?

a)

A

b)

D

c)

F

d)

G

38.

Which diagram shows one element made of single atoms?

a)

A

b)

I

c)

F

d)

G

39.

Which diagrams show one compound made of molecules?

a)

A

b)

D

c)

E

d)

F

e)

G

40.

Which diagrams show a mixture made of different elements?

a)

B

b)

C

c)

E

d)

H

e)

I

41.

Which diagram shows a mixture of an element and a compound?

a)

B

b)

C

c)

E

d)

H

e)

I

42.

Which diagram shows a mixture of two elements and a compound?

a)

B

b)

C

c)

E

d)

H

e)

I

43.

Which diagram shows a mixture of two compounds?

a)

B

b)

C

c)

E

d)

H

e)

I

44.

Sucrose has a chemical formula of C12H22O11. What are the three elements in sucrose?

a)

carbon

b)

calcium

c)

hydrogen

d)

helium

e)

oxygen

45.

Calcium carbonate has a chemical formula of CaCO3. What are the three elements in calcium carbonate?

a)

carbon

b)

calcium

c)

hydrogen

d)

carbon dioxide

e)

oxygen

46.

Sodium sulphate is one compound of sodium. Name another compound of sodium.

(a)  

47.

Copper oxide is one compound of copper. Name another compound of copper.

(a)  

48.

Arteries have a thicker layer of muscle so that they can...

a)

withstand the high pressure

b)

stretch

c)

move other muscles

d)

slap the brain

49.

Arteries have elastic tissue so that they can...

a)

withstand the high pressure

b)

stretch

c)

move other muscles

d)

digest food along the way

50.

Which of the following is the reflected ray?

a)

C

b)

D

c)

E

d)

F

e)

G

51.

Which of the following is the angle of incidence, i?

a)

A

b)

B

c)

C

d)

D

52.

Which of the following is the angle of reflection, r?

a)

A

b)

B

c)

C

d)

D

53.

Which of the following are true about light refraction?

a)

It is the bending of light.

b)

Happens when light passes into a medium of different density.

c)

Caused by a change in the speed of light.

d)

It is the straightening of light.

54.

Which of the following are true about the image shown?

a)

Air is denser than water.

b)

The light is refracted.

c)

Water is denser than air.

d)

The light slows down when it enters the water.

55.

The image shows a ray of light being reflected inside a prism.


Which of the following is the angle of incidence?

a)

P

b)

Q

c)

R

d)

S

56.

The image shows a ray of light being reflected inside a prism.


Which of the following is the angle of reflection?

a)

P

b)

Q

c)

R

d)

S

57.

The image shows a ray of light being reflected inside a prism.


If angle Q is 45 degrees, what is the angle of R?

a)

90 degrees

b)

60 degrees

c)

50 degrees

d)

45 degrees

58.

Sound is caused by...

a)

the temperature of particles

b)

vacuum

c)

the vibration of particles

d)

the density of particles

59.

Sound cannot travel through a (a)   . (answer without punctuation)

60.

The lower the amplitude, the ______________ the vibrations and the ___________ the sound.

a)

smaller, softer

b)

bigger, louder

c)

smaller, louder

d)

bigger, softer

61.

The higher the frequency, the ___________ the sound.

a)

louder

b)

softer

c)

higher pitched

d)

lower pitched

62.

All particles in the world around us are constantly moving, at all times.

a)

True

b)

False

63.

What is A?

a)

Compression

b)

Rarefaction

c)

Indoctrination

d)

Constipation

64.

What is B?

a)

Compression

b)

Rarefaction

c)

Indoctrination

d)

Constipation

65.

Sound waves are generated when particles go through a series of ___________ and _____________.

a)

confidence and rendering

b)

complexion and rarity

c)

compassion and rarefaction

d)

compression and rarefaction

66.

An experiment was conducted to investigate the formation of rust on iron. P and Q was prepared as shown in the image. Silica gel is to absorb moisture from the air and to keep the area dry.


What is the independent variable in this experiment?

a)

Type of nail material

b)

Temperature

c)

Presence of water

d)

Presence of oxygen

67.

An experiment was conducted to investigate the formation of rust on iron. P and Q was prepared as shown in the image. Silica gel is to absorb moisture from the air and to keep the area dry.


What are the variables that need to be controlled in this experiment?

a)

Type of nail material

b)

Temperature

c)

Presence of water

d)

Presence of oxygen

68.

Food contains different constituents including carbohydrate, vitamin, .... (multiple answers)

a)

lipid

b)

fibre

c)

fat

d)

mineral

69.

Photosynthesis produces...

a)

carbon dioxide

b)

oxygen

c)

glucose

d)

water

e)

energy

70.

Respiration produces...

a)

carbon dioxide

b)

oxygen

c)

glucose

d)

water

e)

energy

71.

Which of the following are factors that affect photosynthesis?

a)

oxygen

b)

carbon dioxide

c)

chlorophyll

d)

sunlight

e)

glucose

72.

What is the difference between salt water and calcium carbonate? (Two answers)

a)

salt water is a mixture

b)

salt water is a compound

c)

calcium carbonate is a mixture

d)

calcium carbonate is a compound

73.

The image shows chlorine gas. Which of the following is true?

a)

It is a non-metal

b)

It is a heat conductor

c)

It is an electrical insulator

d)

It is a metal

74.

What is A?

a)

trachea

b)

bronchus

c)

bronchiole

d)

alveolus

75.

What is R?

a)

trachea

b)

bronchus

c)

bronchiole

d)

alveolus

76.

What is S?

a)

trachea

b)

bronchus

c)

bronchiole

d)

alveolus

77.

Iron is an example of...

a)

a mixture

b)

an element

c)

a compound

d)

none of the above

78.

Potassium chloride is an example of...

a)

a mixture

b)

an element

c)

a compound

d)

none of the above

79.

Propanol is a type of alcohol with the formula C₃H₈O.


How many elements are found in a molecule of propanol?

a)

3

b)

12

c)

15

d)

9

80.

Propanol is a type of alcohol with the formula C₃H₈O.


How many atoms are found in a molecule of propanol?

a)

3

b)

12

c)

15

d)

9

81.

Sulfur hexafluoride has the formula SF6


How many elements are found in a molecule of sulfur hexafluoride?

a)

7

b)

2

c)

1

d)

6

82.

Sulfur hexafluoride has the formula SF6


How many atoms are found in a molecule of sulfur hexafluoride?

a)

7

b)

2

c)

1

d)

6

83.

What is the main function of the large intestine?

a)

To exchange oxygen and carbon dioxide

b)

To break down proteins into acid amino

c)

To break down carbohydrates into glucose

d)

To absorb water from undigested food

84.

Which of the following is the main function of the small intestine?

a)

It absorbs water

b)

It absorbs nutrients

c)

It exchanges oxygen and carbon dioxide

d)

It removes wastes from the body

85.

What is the name of the blood vessel that brings blood from the heart to the rest of the body?

a)

vein

b)

artery

c)

blood capillaries

d)

alveolus

86.

What is the name of the blood vessel that brings blood from the rest of the body to the heart?

a)

vein

b)

artery

c)

blood capillaries

d)

alveolus

87.

The image shows a part of our body.


Which of the following are true?

a)

it is part of our lungs

b)

it is called alveolus

c)

it is part of our brain

d)

it is where oxygen gas and carbon dioxide gas exchanges

88.

What is part H?

a)

right atrium

b)

right ventricle

c)

left atrium

d)

left ventricle

89.

What is part I?

a)

right atrium

b)

right ventricle

c)

left atrium

d)

left ventricle

90.

Which parts contain oxygenated blood?

a)

right atrium

b)

right ventricle

c)

left atrium

d)

left ventricle

91.

Which of the following parts are the right side of the heart?

a)

G

b)

H

c)

I

d)

J

Similar Resources on Wayground

Chemical Reactions - Unit 3

90 questions

Chemical Reactions - Unit 3

quiz

Worksheet

•

8th Grade

Blissful Biomes Exam Review

94 questions

Blissful Biomes Exam Review

quiz

Worksheet

•

7th - 9th Grade

Atomic Structure and the Periodic Table

94 questions

Atomic Structure and the Periodic Table

quiz

Worksheet

•

6th - 8th Grade

Life Science Final Exam Review

89 questions

Life Science Final Exam Review

quiz

Worksheet

•

7th - 8th Grade

Relationships Among Objects in Space

90 questions

Relationships Among Objects in Space

quiz

Worksheet

•

6th - 8th Grade

BODY SYSTEMS AND HEREDITY

87 questions

BODY SYSTEMS AND HEREDITY

quiz

Worksheet

•

6th - 9th Grade

end of year science TRIVIA

86 questions

end of year science TRIVIA

quiz

Worksheet

•

8th Grade

Chem Unit 2 States of Matter

90 questions

Chem Unit 2 States of Matter

quiz

Worksheet

•

6th - 8th Grade