WorksheetsPhysics & Ict week : 7 grades
Total questions: 25
Worksheet time: 50mins
Which one of the following shows only units of length?
l, Å, kg
m, m3, s
Å, m, km
dam, g, m2
The density of gold is 19.3 g/cm3.
What is the mass of 10 cm3 gold?
19.3 g
0.193 g
1.93 g
193 g
How many seconds are equivalent to
5 min?
30 s
60 s
120 s
300 s
What is the mass of a copper cube of side 2 cm?
(Take dcopper = 9 g/cm3)
0.18 g
72 g
180 g
36 g
How many minutes are there between 05:30 and 21:15 ?
715
945
1595
900
What is the volume of 60 g wood?
(dwood = 0.6 g/cm3)
10 cm3
36 cm3
100 cm3
360 cm3
What is the relationship between the volume and density of objects which have equal masses?
The object with the greatest volume has the
greatest density.
The object which has the lowest volume has the
lowest density.
The object which has the greatest volume has
the lowest density.
None of the above.
What is the unit of area?
m
m2
m3
l
2 ml is equal to:
2 m3
20 m3
2 cm3
20 cm3
A regular container of base area
100 cm2 and height 5 cm is half-filled with water.
What is the volume of the water?
250ml
500ml
100ml
200 ml
Which of the following measures mass?
Spring balance
Thermometer
Equal-arm balance
Meter stick
Which of the following must be known in order to calculate the density of a cube?
I. The length of one side
II. Its mass
III. Its surface area
I only
II only
I and III
I and II
Which of the following is recognised as matter?
Heat
Sound
Air
Light
How many possible values are there for a boolean variable?
1
2
3
4
Which of the following is not a comparison operator?
>
!=
<=
?
Which of the following is not a logical operator in Python?
because
and
or
not
What does the following program print?
a = "ict"
b = 4
c = a * b
print(type(c))
<class 'int'>
The program crashes and doesn’t print anything
<class 'str'>
<class 'float'>
What type is the following variable?
x = "Hi there"
boolean
integer
string
float
What does the following Python program print?
x = 16 % 3
print(x)
1
2
3
4
Suppose you have a variable defined
a = "10". What is the variable type of a?
number
int
str
float
What kind of data does a float variable contain?
words
A float is not a Python variable type
Numbers that can have decimal components
Whole numbers
What will print to the screen when the following program is run?
number = 15
greater_than_zero = number >10
print(type(number))
<class 'int'>
5
15
<class 'bool'>
What does this Python expression evaluate to?
100 != 100
'false'
'true'
false
true
How would you round the number held in the variable pi to 3.14?
pi = 3.14159265
round(2, pi)
round(pi,2)
round(pi)
round(2)
Which of the following programs prints ten lines?
for i in range(10):
print(“hi”)
for i=1 to 10:
print(“hi”)
for i in 1-10:
print(“hi”)
for i from 0 to 9:
print(“hi”)
