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Physical quantities and measurements

Total questions: 108

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

Which of these units are measures of length?

a)

millimetres

b)

metres

c)

kilometres

d)

kilograms

e)

millilitres

2.

The unit does g stand for (a)  

3.

Which unit of length would be best to measure the distance between 2 cities?

a)

centimetres

b)

millimetres

c)

kilometres

d)

metres

4.

How many hours are there in 180 minutes?

4 lines
5.

Weight is a (a)   . When you weigh yourself on scales, you are actually measuring your mass, not weight.

6.

What are the units of weight?

a)

Kilogram

b)

Newtons

c)

Grams

d)

Pascals

7.

which of these are true of mass and weight?

a)

weight is measured in grams

b)

Mass is measured in grams

c)

weight is the amount of matter in a substance

d)

mass is the amount of matter in a substance

e)

weight is a force

8.

Temperature is the measurement of the (a)   energy of a substance.

9.

10mm is equal to

a)

1cm

b)

1m

c)

1dm

d)

10cm

10.

Which definition is correct and uses only quantities rather than units?

a)

Density is mass per cubic metre.

b)

Potential energy is energy per unit current.

c)

Pressure is force per unit area.

d)

Speed is distance travelled per second.

11.

For which quantity is the magnitude a reasonable estimate?

a)

frequency of a radio wave 500 pHz

b)

mass of an atom 500 µg

c)

the Young modulus of a metal 500 kPa

d)

wavelength of green light 500 nm

12.

Which pair of quantities contains one vector and one scalar quantity?

a)

displacement; force

b)

kinetic energy; power

c)

acceleration; momentum

d)

velocity; distance

13.

Which pair of units contains one derived unit and one SI base unit?

a)

ampere coulomb

b)

kilogram kelvin

c)

metre second

d)

newton pascal

14.

Which list contains only scalar quantities?

a)

area, length, displacement

b)

kinetic energy, speed, power

c)

potential energy, momentum, time

d)

velocity, distance, temperature

15.

THE S.I UNIT OF VOLUME IS

a)

CENTIMETRE

b)

MILLILITRE

c)

LITRE

d)

CUBIC METRE

16.

EQUAL VOLUMES OF TWO DIFFERENT SUBSTANCES HAVE..

a)

DIFFERENT VOLUMES

b)

DIFFERENT MASSES

c)

SAME VOLUMES

d)

SAME MASSES

17.

 THE DENSITY OF WATER IS MAXIMUM AT....

a)

0 °\degree  C

b)

1 \degree  C

c)

4 \degree  C

d)

6 \degree  C

18.

MASS = DENSITY ×\times  

a)

LITRE

b)

VOLUME

c)

SPEED

d)

KILOGRAM

19.

A METALLIC PIECE DISPLACES WATER OF VOLUME 20ML. THE VOLUME OF PIECE IS..

a)

20 CM3

b)

15 CM \times 10 CM3

c)

20CM \times 10 CM3

d)

20 M

20.

SPEED = TIME \times  

a)

DENSITY

b)

DISTANCE

c)

LENGTH

d)

VELOCITY

21.
Which of the following is a derived quantity:
a)
Length
b)
Time
c)
Current
d)
Pressure
22.
Which of the following quantities are vectors?
a)
speed, velocity, acceleration
b)
velocity, acceleration, force
c)
force, acceleration, mass
d)
length, mass, time
23.

The dimensional formula for kinetic energy is:

a)

M2 L2 T2

b)

M L2 T-2

c)

M2 L T-2

d)

M L2 T

24.

Identify the SI unit to measure length

a)

Kilogram

b)

Kelvin

c)

metre

d)

second

25.

which of the following is a fundamental physical quantities ?

a)

speed

b)

area

c)

volume

d)

time

26.

the system of measurement based on centimetre-gram-second is known as

a)

SI system

b)

FPS system

c)

MKS system

d)

CGS SYStem

27.

Which of the following is an ancient device used for measuring time

a)

stop clock

b)

moondial

c)

24 hour clock

d)

sundial

28.

The total number of divisions between the two fixed point in the Celsius scale is

a)

90

b)

100

c)

180

d)

360

29.

What is the ice point on the Kelvin scale ?

a)

0°C

b)

0 K

c)

273.16 k

d)

373.16 K

30.

Write down the time in 24-hour format if it is in the night

a)

03:07

b)

15:07

c)

03:07 am

d)

15:07 pm

31.

write down the time in the 24 - hour format if it is in noon hours

a)

02:50 am

b)

01:50

c)

01:50 pm

d)

13:50

32.

There are (a)   fundamental physical quantities

33.

The lower fixed point in the Fahrenheit scale is.......................

a)

32°F

b)

212°F

c)

0°F

d)

100°F

34.

Express 2.25 m in cm

a)

225 cm

b)

2.25 cm

c)

20025 cm

d)

2250 cm

35.

Choose TWO(2) examples of base quantity

a)

Mass and density

b)

Length and area

c)

Length and mass

d)

Mass and velocity

36.

Define physical quantity

a)

Quantities that cannot be defined in term of other physical quantities

b)

Quantities derived from combination of base quantities through multiplication or division or both.

c)

Quantity that cannot be measured

d)

Quantity that can be measured

37.

Find SI unit of density

a)

g/m2

b)

g/m3

c)

kg/m2

d)

kg/m3

38.

What is the SI unit of weight?

a)

kilograms

b)

grams

c)

newtons

d)

kg

39.

When a standard is set for a quantity, then standard quantity is called a

a)

unit

b)

amount

c)

rate

d)

prefix

40.

By using prefixes, we can write 335 × 10-8 s as

a)

0.335 µs

b)

3.35 µs

c)

33.5 µ

d)

335 µs

41.

1 cm2 =

a)

100 m2

b)

1000 m2

c)

0.0001 m2

d)

1 m2

42.

If you place an object in a fluid and it sinks which is true

a)

its weight is less than the buoyant force

b)

the fluid is more dense than the object

c)

its weight is greater than the buoyant force

d)

none of the above

43.

What is the density of water? ( Tick all correct answers)

a)

1 kg/m3

b)

1000 kg/m3

c)

1000 g/cm3

d)

1 g/cm3

44.

Volume is ...

a)

Mass/Volume

b)

The amount of matter in an object.

c)

The amount of space an object occupies.

d)

Anything that has mass and occupies space

45.

Why do ice cubes float in a glass of water?

a)

the ice cubes are more dense than the water

b)

the water is more dense than the ice cubes

c)

the water is more dense than the glass

d)

the ice is more dense than the glass

46.

Put the liquids in order from most dense to least dense?

a)

4, 2, 3, 1

b)

1, 2, 3, 4

c)

3, 4, 2, 1

d)

4, 3, 2, 1

47.

If the relative density of an object is 8.9, then its density is

a)

8900 g/cm3

b)

8900 kg/m3

c)

89 kg/m3

d)

8.9 kg/m3

48.
Identify the SI unit to measure lenght
a)
Kilogram 
b)
Kelvin
c)
metre
49.

Choose TWO(2) examples of base quantity

a)

Mass and density

b)

Length and area

c)

Length and mass

d)

Mass and velocity

50.

Define vector quantity.

a)

Quantity which has magnitude.

b)

Quantity which has both magnitude and direction

c)

Quantities that cannot be defined in term of other physical quantities

d)

Quantities derived from combination of base quantities through multiplication or division or both

51.

Which factor does NOT affect the period of a pendulum?

a)

length of string

b)

mass of bob

c)

gravitational field strength

d)

none of the above

52.

Which of the following describes a scalar quantity?

a)

It has both magnitude and direction.

b)

It does not have magnitude nor direction.

c)

It has magnitude but no direction.

d)

It has direction but no magnitude.

53.
What SI unit is used to measure electric current?
a)
seconds
b)
amperes
c)
Kelvin
d)
mole
54.

SI stands for ___.

a)

Sports Illustrated

b)

Scientific Notation

c)

International System (of measurements)

d)

Instructional System (of measurements)

55.
Which of the following pairs of physical quantity and SI unit is correct ?
a)
Mass - SI unit : Gram
b)
Time - SI unit : Hour
c)
Electric current - SI unit : Volt
d)
Temperature - SI unit : Kelvin
56.
What is base quantities ?
a)
the branch of science concerned with the nature and properties of matter and energy
b)
the branch of science that deals with the identification of the substances of which matter is composed
c)
physical quantities that cannot be defined in terms of other physical quantities
57.

What is measurement . in small letters only . Add a full stop at the end.

(a)  

58.

Find the correct examples of physical quantity

a)

Mass

b)

Temperature

c)

Length

d)

None of the above

59.

Write the definition of physical quantity? small letters only. Add a full stop at the end .

(a)  

60.

physical quantities are of two types find them

a)

Fat

b)

Fundamental quantities

c)

Derived quantities

d)

None of the above

61.

Define fundamental quantities. In small letters only. Add a full stop at the end .

(a)  

62.

Define derived quantities. only in small letters . Add a full stop at the end .

(a)  

63.

Find the example of derived quantities.

a)

Mass

b)

Lenght

c)

Time

d)

None of the above

64.

Fine the correct examples of the fundamental quantities.

a)

area* breath

b)

Density

c)

Both area * breath and density

d)

None of the above

65.

Choose the correct statement.

a)

A unit is a fixed known quantity

b)

A numerical value tells us how much amount the unit is .

c)

None of them

d)

Fixed quantity

66.

Write what is a unit ? In small letters only. Add a full stop at the end .

(a)  

67.

What is a magnitude.

a)

Numerical value

b)

A unit

c)

The value we get on measuring a physical quantity is called its magnitude.

d)

None of the above

68.

Which of these are the correct characteristics of a standard unit .

a)

Be universally accepted

b)

Be of convenient size

c)

Be defined accurately and exactly

d)

none of the above

69.

Write the rules for writing symbols of SI unit?write in small letters only.add the full stop at the end.

(a)  

70.

Choose the correct rules for writing symbols of SI unit

a)

Symbols for unit are written in small letters.

b)

Symbols for writing various scientist names are always in capital letters.

c)

Symbols are not followed by full stops

d)

Symbols are not written in plurals .

e)

None of them

71.

Choose the correct answer

a)

MKS = meter, kilogram , second

b)

CGS = centimetres, gram , second

c)

FPS = foot , pound , second

d)

None of them

72.
What unit of measurement would you use to measure a pencil?
a)
Inches 
b)
Feet
c)
Yards
d)
Miles
73.
1 meter=
a)
100 inches
b)
100 centimeters
c)
1 centimeter
d)
1 inch
74.
What tool would you use to measure this real life object?
a)
measuring tape
b)
yardstick
c)
ruler
d)
measuring cup
75.
The height of the classroom ceiling.
a)
3 km
b)
3 cm
c)
3 m
76.
The length of a paper clip.
a)
3 km
b)
3 m
c)
3 cm
77.

Vocabulary How far an object is from end to end.

a)

Length

b)

Weight

c)

Mass

d)

Measurement

78.

4 km = ___ meters

a)

40

b)

0.4

c)

4,000

d)

400

79.

48,000 mm = ___ meters

a)

480

b)

48

c)

4.8

d)

4,800

80.
How many meters (m) = 1 kilometer (km)?
a)
1
b)
10
c)
100
d)
1,000
81.
What do we use a meter stick to measure?
a)
volume
b)
distance/length
c)
mass
d)
weight
82.
William measured the distance from the door knob to the floor and got 1 meter.  What tool did he use?
a)
meter stick
b)
thermometer
c)
graduated cylinder
d)
electronic scale
83.
What unit of measurement would you use to measure a car?
a)
Inches 
b)
Feet
c)
Yards
d)
Miles
84.
What unit of measurement would you use to measure a football field?
a)
Inches 
b)
Feet
c)
Yards
d)
Miles
85.
What unit of measurement would you use to measure an iPhone?
a)
Inches 
b)
Feet
c)
Yards
d)
Miles
86.
What unit of measurement would you use to measure a pair of shoes?
a)
Inches 
b)
Feet
c)
Yards
d)
Miles
87.
How many inches are in 1 foot?
a)
3
b)
6
c)
9
d)
12
88.

What is the closest to the length of a pencil?

a)

8 inches

b)

8 yards

c)

10 feet

d)

20 inches

89.
Which is longer? A Centimeter or an inch?
a)
centimeter
b)
inch
90.
How long is the crayon in the picture?
a)
1 inch
b)
3 inches
c)
2 inches
d)
4 inches
91.

What is the best estimate for the length of the classroom door?

a)

6 inches

b)

6 centimeters

c)

6 feet

d)

6 yards

92.
I can use a ______ to measure length?
a)
clock
b)
ruler
c)
thermometer
d)
timer
93.
Which object is about 3 feet tall?
a)
a building
b)
a fork
c)
a table
d)
a door
94.

Choose the best unit for measurement.

a)

8 yards

b)

1 foot

c)

7 inches

d)

2 yards

95.
What is a reasonable height of a battery?
a)
60 centimeters
b)
5 centimeters
c)
3 kilometers
d)
2 meters
96.

How many grams (g) are there in 1 kilogram (kg)?

a)

10

b)

100

c)

10000

d)

1000

97.

Convert 3000g to kg.

a)

3

b)

30

c)

300

d)

3000

98.

What is the SI unit of mass?

a)

Metric Tonne

b)

Quintal

c)

Gram

d)

Kilogram

99.

What unit of weight would you use to best measure the mass of a bus?

a)

gram

b)

Kilogram

100.

What unit of weight would you use to best measure the mass of a pair of glasses?

a)

gram

b)

kilogram

101.

What unit of weight would you use to best measure the mass of a beach ball?

a)

gram

b)

kilogram

102.

What unit of weight would you use to best measure the mass of a motercycle?

a)

gram

b)

kilogram

103.

What unit of weight would you use to best measure the mass of a bag of oranges?

a)

gram

b)

kilogram

104.

What unit of weight would you use to best measure the mass of a hummingbird?

a)

gram

b)

kilogram

105.

What mass measurement is more likely for a grape?

a)

kilogram

b)

gram

106.

What mass measurement is more likely for a cell phone?

a)

1 kilogram

b)

5 grams

107.

What mass measurement is more likely for a elephant?

a)

540 grams

b)

5,443 kilograms

108.

one kilogram equals

a)

1,000 grams

b)

10 grams

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