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Base and Derived Units

Total questions: 40

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

Is this an SI base unit: second (s)?

a)

Yes

b)

No

2.

Is this an SI base unit: kilometre (km)?

a)

Yes

b)

No

3.
The SI unit for measuring mass is the
 __?__.
a)
meter (m)
b)
liter (L)
c)
cubic meter (m3)
d)
kilogram (kg)
4.
What SI unit is used to measure electric current?
a)
seconds
b)
amperes
c)
Kelvin
d)
mole
5.
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
6.
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.
7.
Which of the following quantity is base quantity ?
a)
voltage
b)
electric current
c)
electric energy
d)
electric power
8.
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
9.
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
10.

What is the SI unit of weight?

a)

kilograms

b)

grams

c)

newtons

d)

kg

11.

In 2008 Olympic Game, Usain Bolt sets world record at 10 s in Men’s 110 m Final. What is his average speed ?

a)

1100 ms

b)

11 m/s

c)

10 m/s

d)

0.09 m/s

12.

What is the unit of DENSITY

a)

m/s

b)

m/s2

c)

kg/m3

d)

Newton

13.

What is the SI unit for Work? Given  Work=Force×DispplacementWork=Force\times Dispplacement  

a)

Joule/s

b)

Joule

c)

Newton

d)

Pascal

14.
There are ___ meters in 25 kilometers (km)
a)
250 m
b)
2500 m
c)
25000 m
d)
.025 m
15.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
16.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4.3756
17.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
18.
What is the unit measure of Temp Convert the following measurement in the SI units
erature? 
a)
K
b)
C
c)
F
d)
N
19.
What is the unit measure of Temp Convert the following measurement in the SI units
erature? 
a)
K
b)
C
c)
F
d)
N
20.
What is the unit measure of Temp Convert the following measurement in the SI units
erature? 
a)
K
b)
C
c)
F
d)
N
21.
Convert the following measurement in the SI units
245 kmh-1
a)
6.8 x 101 ms-1
b)
2.45 x 103 ms-1
c)
6.8 x 1010 ms-1
d)
2.45 x 101 ms-1
22.
Convert the following units to kilograms:
3,800 grams + 424 grams = ? kilograms
a)
4,242 kilograms
b)
4.242 kilograms
c)
42.42 kilograms
d)
42,420 kilograms
23.
 Convert 3 cm to mm
a)
3 mm
b)
0.3 mm
c)
0.03 mm
d)
30 mm
24.
5000 millimeters = ____ meters
a)
5
b)
50
c)
500
d)
25
25.
Which of the following quantity is base quantity ?
a)
voltage
b)
electric current
c)
electric energy
d)
electric power
26.
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
27.
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.
28.

What is the SI unit of weight?

a)

kilograms

b)

grams

c)

newtons

d)

kg

29.

it constitutes units based on power of 10 which makes it preferred system to be used in science

a)

measurement

b)

metric system

c)

basic units

d)

unit prefixes

30.

it is made up of a number and unit.

a)

measurement

b)

metric system

c)

basic units

d)

unit prefixes

31.

it is the combination of two or more base units

a)

derived units

b)

metric system

c)

basic units

d)

british or english system

32.

it can be used to make a new unit larger or smaller than the base unit

a)

derived units

b)

metric system

c)

unit prefixes

d)

british or english system

33.
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
34.
Which of the following is the longest ?
a)
2.35 x 10^12 μm
b)
2.35 x 10^6 mm
c)
2.35 x 10^4 cm
d)
2.35 x 10^4 m
35.
Which of the following shows the prefixs in descending order correctly ?
a)
mega, giga, kilo, nano
b)
giga, kilo, mega, nano
c)
nano, kilo, mega, giga
d)
giga, mega, kilo, nano
36.
Which of the following quantity is base quantity ?
a)
voltage
b)
electric current
c)
electric energy
d)
electric power
37.
The SI unit for time is the __?__.
a)
meter (m)
b)
liter (L)
c)
gram (g)
d)
second (s)
38.
The SI unit for temperature is __?__.
a)
degree fahrenheit  (° F)
b)
degree celsius  (° C)
c)
kelvin  (K)
d)
degree centigrade  (°C)
39.
What is the base unit for amount of substance?
a)
mole
b)
candela
c)
second
d)
kilogram
40.

SI stands for ___.

a)

Sports Illustrated

b)

Scientific Notation

c)

International System (of measurements)

d)

Instructional System (of measurements)

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