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2022 Unit 1 Review: Physical Quantities & Measurement

Total questions: 41

Worksheet time: 31mins

Name
Class
Date
1.

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

2.

Choose TWO(2) examples of base quantity

a)

Mass and density

b)

Length and area

c)

Length and mass

d)

Mass and velocity

3.

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

4.

Determine the reading of the following measurement tools.

a)

2.72 cm

b)

2.78 cm

c)

2.82 cm

d)

2.88 cm

5.

Distance is a scalar quantity

a)

true

b)

false

6.

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

a)

centimetres

b)

millimetres

c)

kilometres

d)

metres

7.

How many hours are there in 180 minutes?

4 lines
8.

10mm is equal to

a)

1cm

b)

1m

c)

1dm

d)

10cm

9.

Which of the following is a derived quantity:

a)

Length

b)

Time

c)

Current

d)

Acceleration

10.

There are examples of base quantity EXCEPT

a)

Time

b)

Length

c)

Velocity

d)

Electric current

11.

Base quantity is a physical quantity which cannot be derived from another physical quantity

a)

TRUE

b)

FALSE

12.

Physical quantity is defined

a)

Quantity that can be measured

b)

Quantity to be find

c)

Quantity in laboratory

d)

Quantity that has direction

13.

2 types of Physical Quantities

a)

Base Quantity & Derived Quantity

b)

Base Quantity & Physical Quantity

c)

Physical Quantity & Dimension Quantity

d)

Vector Quantity & Scalar Quantity

14.

Basic quantity is defined as a

a)

quantity which can be derived from any physical quantities.

b)

quantity which cannot be derived from any vector quantities.

c)

quantity which cannot be derived from any physical quantities.

d)

quantity which can be derived from any vector quantities.

15.

Those are from basic quantity except

a)

Time

b)

Velocity

c)

Temperature

d)

Distance

16.

Derived Quantity is defined as quantity which can be

a)

derived from scalar quantities.

b)

derived from basic quantities.

c)

derived from physical quantities.

d)

derived frommultiple quantities.

17.

Scalar quantity is defined as a quantity with __________ only.

a)

magnitude and direction

b)

direction

c)

magnitude

d)

basic

18.

A fence post is 225 cm long. How long is it in kilometers?

a)

2250 km

b)

2.25 km

c)

0.00225 km

d)

25.5 km

19.

An eagle flies at an altitude of 625 km. How high is it in centimeters?

a)

6.25 cm

b)

62.5 cm

c)

62,500 cm

d)

62,500,000

20.

All measurements should have _______________ to be meaningful.

a)

a number and a unit

b)

only a unit

c)

a prefix and a number

d)

only a number

21.

All physical quantities are . . .

a)

Not measurable;

b)

Related to each other;

c)

Not related to each other;

d)

Measurable.

22.

In Science and Technology, a worldwide system of measurements is used. This system and it's units are called . . .

a)

Prefixes and suffixes;

b)

The metric or international system (SI) of units;

c)

Scientific names and units;

d)

Millimeter, centimeter and kilogram.

23.

Which of the following is NOT a SI Unit?

a)

Kilogram;

b)

Meter;

c)

Miles

d)

Seconds

24.
Which of the following quantities are vectors?
a)
speed, velocity, acceleration
b)
velocity, acceleration, force
c)
force, acceleration, mass
d)
length, mass, time
25.
What is derived quantities ?
a)
a tendency to do nothing or to remain unchanged.
b)
combination of two or more base quantities
c)
the quantity of motion of a moving body, measured as a product of its mass and velocity.
26.

Which quantity is not a scalar quantity?

a)

the age of earth

b)

mass of a football

c)

earth's pull on your body

d)

the temperature of an iron bar

27.

Which of the following is a vector quantity?

a)

5000 kg

b)

10 m/s

c)

120 km/h SE

d)

45 hours

28.

All the following physical quantities are derived quantities except..

a)

speed

b)

velocity

c)

area

d)

Mass

29.

Choose TWO(2) examples of base quantity

a)

Mass and density

b)

Length and area

c)

Length and mass

d)

Mass and velocity

30.

Distance is a scalar quantity

a)

true

b)

false

31.

Which statement is correct about physical quantities?

a)

Quantities that can be combined.

b)

Quantities that can be described.

c)

Quantities that can be measured.

d)

Quantities that can be expressed.

32.

In which way the physical quantities are expressed?

a)

magnitude only

b)

unit only

c)

numbers and unit

d)

magnitude and numbers

33.

Which of the following is the example of base quantity?

a)

the height of a mountain

b)

the area of a soccer field

c)

the volume of a water tank

d)

the weight of an apple

34.

estimate the length?

a)

1.17

b)

11.7

c)

11.6

d)

1.16

35.
How many kilograms are in 500,000 milligrams?
a)
0.5
b)
50
c)
500
d)
500,000
36.

Vector quantity is defined as a quantity with a __________ .

a)

magnitude and direction

b)

direction

c)

magnitude

d)

basic

37.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
38.
1000 grams = _____ kilograms
a)
0.0001
b)
1,000,000
c)
10
d)
1
39.
Which lists metric units, in order, from smallest to largest?
a)
milligram, centigram, gram
b)
kilogram, gram, centigram
c)
decagram, hectogram, milligram
d)
kilogram, hectogram, decagram
40.
There are ___ meters in 25 kilometers (km)
a)
250 m
b)
2500 m
c)
25000 m
d)
.025 m
41.
 The Metric system is based on units of__.
a)
1's
b)
5's
c)
10's
d)
15's

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