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Measurement Systems Quiz

Total questions: 86

Worksheet time: 43mins

Name
Class
Date
1.

What are the two main systems of measurement used in the UK?

a)

Imperial and SI units

b)

Metric and SI units

c)

Imperial and metric

d)

Metric and customary

2.

What does "SI" stand for in SI units?

a)

Standard International

b)

System International

c)

Système International

d)

State International

3.

What is the base unit of length?

a)

Kilogram

b)

Second

c)

Meter

d)

Kelvin

4.

What is the base unit of mass?

a)

Meter

b)

Kilogram

c)

Ampere

d)

Candela

5.

What is the base unit of time?

a)

Second

b)

Meter

c)

Kelvin

d)

Mole

6.

What is the base unit of temperature?

a)

Candela

b)

Kelvin

c)

Second

d)

Kilogram

7.

What is the base unit of electric current?

a)

Ampere

b)

Mole

c)

Meter

d)

Second

8.

What is the base unit of luminous intensity?

a)

Kelvin

b)

Candela

c)

Kilogram

d)

Ampere

9.

What is the base unit of the amount of substance?

a)

Mole

b)

Meter

c)

Second

d)

Ampere

10.

What is the SI unit of area?

a)

m^3

b)

L

c)

m^2

d)

kg/m^3

11.

What is the SI unit of volume?

a)

m^2

b)

L

c)

m^3

d)

kg/m^3

12.

What is the SI unit of density?

a)

m^3

b)

L

c)

m/s

d)

kg/m^3

13.

What is the SI unit of velocity?

a)

m^2

b)

L

c)

m/s

d)

kg/m^3

14.

Which of the following is equivalent to 1 litre?

a)

1 m^3

b)

1 m^2

c)

1 kg/m^3

d)

1 L

15.

Is mass constant or does it change from place to place in the universe?

a)

It changes from place to place

b)

It is constant everywhere in the universe

c)

It is only constant on Earth

d)

It is not constant anywhere

16.

Does weight change depending on location?

a)

No, weight is constant everywhere

b)

Yes, but only on Earth

c)

Yes, weight changes from place to place

d)

Weight is not measurable

17.

If a nail is taken from a workbench to the moon, what will happen to its mass?

a)

It will increase

b)

It will decrease

c)

It will stay the same

d)

It will disappear

18.

What is the definition of density?

a)

The measurement of how much space an object occupies

b)

The measurement of how tightly a material is packed together, defined as the mass per unit volume

c)

The measurement of how heavy an object is regardless of its size

d)

The measurement of the amount of matter in an object

19.

Can solid materials with the same shape and size have different masses?

a)

Yes, because the density can vary

b)

No, they will always have the same mass

c)

Yes, but only if they are made of the same material

d)

No, because the volume is the same

20.

How is density mathematically expressed?

a)

Density = mass + volume

b)

Density = mass x volume

c)

Density = mass ÷ volume

d)

Density = volume ÷ mass

21.

Do liquids and gases have the same density?

a)

Yes, all liquids and gases have the same density

b)

No, liquids and gases have different densities

c)

Yes, but only at certain temperatures

d)

No, only gases have density

22.

Why is it important to understand the density of water?

a)

Because it helps in swimming

b)

To understand water's behavior in different temperatures

c)

Because it is required by law

d)

To make water less dense

23.

What happens to the density of water when it is heated?

a)

It increases

b)

It stays the same

c)

It decreases

d)

It turns into a gas

24.

Based on the diagram, which statement best describes the density of the molecules in ice compared to warm and cold water?

a)

Ice has a higher density of molecules than warm water and cold water.

b)

Ice has a lower density of molecules than warm water but higher than cold water.

c)

Ice has a lower density of molecules than both warm water and cold water.

d)

Ice has the same density of molecules as warm water and cold water.

25.

What can be inferred about the temperature of water based on the spacing of the molecules shown in the diagram?

a)

The colder the water, the more spaced out the molecules are.

b)

The warmer the water, the more compact the molecules are.

c)

The warmer the water, the more spaced out the molecules are.

d)

The temperature of water does not affect the spacing of the molecules.

26.

What is the formula to calculate density?

a)

Density = Mass + Volume

b)

Density = Mass ÷ Volume

c)

Density = Volume ÷ Mass

d)

Density = Mass x Volume

27.

How can you calculate the mass if you know the density and volume?

a)

Mass = Density + Volume

b)

Mass = Density ÷ Volume

c)

Mass = Density x Volume

d)

Mass = Volume - Density

28.

What is the formula to find the volume when you have the mass and density?

a)

Volume = Mass + Density

b)

Volume = Mass ÷ Density

c)

Volume = Density ÷ Mass

d)

Volume = Mass x Density

29.

What is the formula for calculating Average Speed (S)?

a)

S = T / D

b)

S = D / T

c)

S = D + T

d)

S = D - T

30.

How do you calculate the Distance (D) traveled using speed (S) and time (T)?

a)

D = S + T

b)

D = S / T

c)

D = S - T

d)

D = S * T

31.

What does the variable 'T' stand for in the context of the velocity formulas?

a)

Total distance

b)

Time

c)

Temperature

d)

Tension

32.

What is the mass of 1m³ of water at 4°C?

a)

967 kg

b)

1000 kg

c)

1 kg

d)

4 kg

33.

At what temperature is water said to have a density of 1.0?

a)

82°C

b)

100°C

c)

4°C

d)

0°C

34.

What is the mass of 1m³ of water at 82°C?

a)

967 kg

b)

1000 kg

c)

1 kg

d)

82 kg

35.

What does relative density (specific gravity) measure?

a)

The mass of a subject in kilograms

b)

The volume of a subject in cubic meters

c)

The density of a subject compared to water

d)

The weight of a subject compared to air

36.

What is the mass of 1m³ of water?

a)

100 kg

b)

7700 kg

c)

1000 kg

d)

7.7 kg

37.

What is the mass of 1m³ of mild steel?

a)

100 kg

b)

770 kg

c)

1000 kg

d)

7700 kg

38.

What is the relative density of mild steel compared to water?

a)

0.77

b)

7.7

c)

77

d)

770

39.

What is the density of Aluminium?

a)

0.79

b)

2.67

c)

7.20

d)

1.00

40.

Which material has a higher density, Mercury or Gold?

a)

Mercury

b)

Gold

c)

They have the same density

d)

The image does not provide this information

41.

What is the density of Water according to the table?

a)

0.65

b)

1.00

c)

1.26

d)

2.70

42.

Which of the following materials has the lowest density?

a)

Ether

b)

Cork

c)

Petrol

d)

Pine (wood)

43.

According to the table, which material has the highest density?

a)

Plutonium

b)

Gold

c)

Uranium

d)

Lead

44.

What is the relative density of air when comparing the density of gases?

a)

0.5

b)

1.0

c)

1.5

d)

2.0

45.

Is helium more or less dense than air?

a)

More dense

b)

Less dense

c)

Equally dense

d)

Not comparable

46.

What is the liquid density of Methane at boiling point and 1.01325 bar in kg/m³?

a)

422.62

b)

546.49

c)

582

d)

601.4

47.

Which gas has a higher gas density at STP, Ethane or Helium?

a)

Ethane

b)

Helium

c)

Both have the same density

d)

The density is not provided

48.

What is the gas density of Nitrogen at STP in Kg/m³?

a)

0.68

b)

1.282

c)

1.91

d)

1.185

49.

Which of the following gases has the lowest liquid density at boiling point and 1.01325 bar?

a)

Methane

b)

Ethane

c)

Helium

d)

Nitrogen

50.

What is the SI unit of pressure?

a)

bar

b)

psi

c)

Pascal (Pa)

d)

lbs/in²

51.

How many N/m² are there in 1 bar?

a)

10,000 N/m²

b)

100,000 N/m²

c)

1,000 N/m²

d)

1,000,000 N/m²

52.

How many N/m² are equivalent to 1 lbs/in²?

a)

689.4 N/m²

b)

6894 N/m²

c)

68.94 N/m²

d)

68940 N/m²

53.

How is pressure exerted by solid objects?

a)

Downwards and outwards

b)

Upwards only

c)

Downwards only

d)

In all directions

54.

How does liquid exert pressure?

a)

Upwards only

b)

Downwards only

c)

Downwards and outwards

d)

In all directions

55.

Where is pressure exerted in a fluid according to the diagram?

a)

Only at the base

b)

Only on the sides

c)

Only at the top

d)

On all sides

56.

What happens to the atmospheric pressure as you go higher above sea level?

a)

It increases

b)

It decreases

c)

It remains constant

d)

It fluctuates unpredictably

57.

What is the atmospheric pressure at sea level?

a)

1 psi

b)

14.7 bar

c)

1 bar

d)

14.7 psi

58.

What does psi stand for?

a)

Pounds per square inch

b)

Pounds per square foot

c)

Pascals per square inch

d)

Pressure square index

59.

How many psi are equivalent to 1 bar?

a)

1 psi

b)

10 psi

c)

14.7 psi

d)

100 psi

60.

What is the atmospheric pressure at sea level?

a)

0 psi

b)

10 psi

c)

14.7 psi

d)

310 psi

61.

At what atmospheric region is the air pressure approximately 0 psi?

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

62.

How many miles above sea level is the stratosphere located?

a)

0 miles

b)

10 miles

c)

31 miles

d)

50 miles

63.

Which layer of the atmosphere is directly above the troposphere?

a)

Mesosphere

b)

Stratosphere

c)

Thermosphere

d)

Exosphere

64.

What is water chemically composed of?

a)

Hydrogen and nitrogen

b)

Oxygen and carbon

c)

Hydrogen and oxygen

d)

Oxygen and nitrogen

65.

What is one of the properties of water?

a)

It can dissolve only solids

b)

It can dissolve only gases

c)

It can dissolve lots of gases and solids to produce solutions

d)

It cannot dissolve gases or solids

66.

What is hard water formed from when water falls on the ground?

a)

Dissolving of sodium chloride

b)

Dissolving of carbon dioxide

c)

Dissolving of calcium carbonates or sulphates

d)

Dissolving of magnesium

67.

What does soft water NOT contain?

a)

Calcium carbonates

b)

Sodium chloride

c)

Magnesium sulphates

d)

Iron oxides

68.

What does pH measure in a substance?

a)

The level of oxygen

b)

The level of acidity or alkalinity

c)

The level of water content

d)

The level of carbon dioxide

69.

Which of the following can cause corrosion in metals?

a)

Water and oxygen

b)

Acids and alkalis

c)

Heat and pressure

d)

Electricity and magnetism

70.

What is the pH value range that is considered neutral on the pH scale of acidity?

a)

0-6

b)

1-3

c)

7

d)

8-12

71.

Which of the following is NOT a main cause of corrosion?

a)

The effects of air

b)

The effects of water

c)

The direct effects of acids, alkalis and chemicals, e.g., from environmental sources

d)

The use of stainless steel materials

72.

What is the pH level of pure water according to the Universal Indicator?

a)

5

b)

6

c)

7

d)

8

73.

Which of the following is considered very acidic?

a)

Sea water

b)

Lemon juice

c)

Baking powder

d)

Soap

74.

What pH level is baking powder categorized under?

a)

Slightly Acidic

b)

Neutral

c)

Slightly Alkaline

d)

Very Alkaline

75.

Which example corresponds to a pH indicator level of 1?

a)

Stomach acid

b)

Vinegar

c)

Black coffee

d)

Oven cleaner

76.

What substance is listed as having a pH level of 11?

a)

Ammonia

b)

Bleach

c)

Sea water

d)

Drain cleaner

77.

What is the pH of water when carbon dioxide is added in moorland conditions?

a)

Acidic

b)

Alkaline

c)

Neutral

d)

Basic

78.

Which chemical is retained in water in sandstone ground conditions to make it acidic?

a)

Calcium carbonate

b)

Calcium sulphate

c)

Carbon dioxide

d)

Sodium chloride

79.

What type of pH does water have when calcium sulphate is added in salt ground conditions?

a)

Acidic

b)

Alkaline

c)

Neutral

d)

Basic

80.

Which chemical is added to water in limestone and chalk ground conditions to make it alkaline?

a)

Carbon dioxide

b)

Calcium sulphate

c)

Sodium chloride

d)

Calcium carbonate

81.

What are pure air and water described as in terms of their corrosive properties?

a)

Highly corrosive

b)

Not very corrosive

c)

Extremely acidic

d)

Neutral and safe for all metals

82.

When do air and water become more corrosive to ferrous metals?

a)

When they are heated

b)

When they are in a pure state

c)

When they are together as moist air

d)

When they are filtered

83.

Which of the following is NOT mentioned as a substance in the atmosphere that increases the corrosive effect?

a)

Salt

b)

Carbon dioxide

c)

Sulphur

d)

Nitrogen

84.

Which of the following is NOT a non-ferrous metal?

a)

Copper

b)

Lead

c)

Aluminium

d)

Iron

85.

What is the term used to describe the protective barrier that forms on some non-ferrous metals to prevent further corrosion?

a)

Rust

b)

Patina

c)

Coating

d)

Film

86.

What usually forms the protective barriers on non-ferrous metals like copper, lead, and aluminium?

a)

Oxides

b)

Chlorides

c)

Sulphates

d)

Carbonates

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