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Monday, September 20, 2021

Class 8 | Science | Force Pressure MCQ Worksheet Online - 3

1. Gravity is -

Repulsive
Attraction+Repulsive
Attractive Force
Not a Force
2. Which of the following is an example of a non- contact force?
Force exerted in lifting a bucket
Pushing a stationary object
Force exerted by magnet
Hit a cricket ball from bat
3. Pressure =
Force per unit area
Area per unit force
Force per unit volume
Volume per unit force
4. We apply force on ___________ while walking.
air
ground
atmosphere
body
5. Atmospheric pressure is measured by an instrument called?
Thermometer
Speedometer
Vernier Caliper
Barometer
6. Which of the following statement is/are true:
1. Pressure does not depend on area of contact.
2. More the area, less is the pressure
3. More the area, more is the pressure.
Only 1
Only 2
Only 3
All of the above
7. Atmospheric pressure is _____________ at higher altitudes.
more
less
no change
nil
8. What is the unit of force?
newton
pascal
cubic meter
iota
9. What is the unit of pressure?
newton
pascal
cubic meter
iota
10. Pressure is ____________________ proportional to the applied force.
not related
indirectly
directly
None of the above






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Class 8 | Science | Force and Pressure | Worksheet - 2

1. When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to?

pressure of water
gravity of the earth
shape of rubber bulb
atmospheric pressure
2. Does the force of gravitation exist between two astronauts in space?
Yes
No
Never
Sometimes
3. The pressure which is exerted by air around us is known as?
force
atmospheric pressure
muscular force
friction
4. Force acting on per unit area is called
contact force
non-contact force
pressure
density
5. ___________ exerted by an object on another is a force.
Density
Push or pull
Magnitude
Contact or Non-contact force
6. The force exerted by the earth to pull the object towards itself is called
force of gravity
electrostatic force
force of friction
magnetic force
7. Muscular force is also called ___________ force.
non-contact
contact
gravitational
electrostatic
8. Which of the following is/are changed by Force?
Motion of body
Speed of body
Shape of body
All of the above
9. When two forces act in opposite directions, then net force acting is the
sum of two forces
difference between two forces
both the above
None of the above
10. A ball rolling on the ground slows down and finally stops. This is because of?
Force
Less force applied
Friction
None of the above






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Class 8 | Science | Force MCQs with Answers | Worksheet - 1

1. During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is

force of gravity
electrostatic force
force of friction
magnetic force
2. Which one of the following forces is a contact force?
force of gravity
electrostatic force
force of friction
magnetic force
3. A ball of dough is rolled into a flat chapatti. What is the name of the force exerted to change the shape of the dough?
Muscular force
Gravitational Force
Magnetic Force
None of the above
4. A girl is pushing a box towards east direction. In which direction should her friend push the box so that it moves faster in the same direction?
Towards North
Towards South
Towards East
Towards West
5. A gas filled balloon moves up. Is the upward force acting on it larger or smaller than the force of gravity?
Larger
Smaller
Equal
There won't be any force
6. An object dropped from a highrise building comes down because of which force?
force of gravity
electrostatic force
force of friction
magnetic force
7. To draw water from the well with the help of a bucket and rope, one has to ________ the rope up?
push
pull
slide
hang
8. The north pole of a magnet ____________ the north pole of another magnet.
attracts
repels
pull towards it
does nothing
9. A charged body ___________ an uncharged body towards it.
attracts
repels
push away from it
does nothing
10. The repulsion between two objects could be due to which force?
Frictional
Electrostatic
Magnetic
Either Electrostatic or Magnetic






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Tuesday, September 14, 2021

Mental Maths for Class 3 - Worksheet 2

1. 14 X 8 = ____ X 14

8
14
112
22
2. 40 X 50 = ________
90
20
200
2000
3. 6 + 6 + 6 + 6 = ___ X 6 = ______
4, 24
4, 6
6, 24
6, 6
4. How many socks are there in 40 pairs? _________.
2
80
40
42
5. The answer of multiplication is called _____________.
sum
difference
product
Division
6. 13 X 14 X 0 = ______
182
1820
27
0
7. 16 X _____ = 1600
1
10
100
1000
8. 5 hands have _____ fingers.
5
25
50
100
9. 1712 X 1 = ____
1
0
1713
1712
10. A ____________________ uses pictures or symbols to represent information.
Pictograph
Diagram
Photograph
None of these






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Mental Maths for Class 3 - Worksheet 1

1. 1825-25 = __________

1825
25
1800
1850
2. 17 tens - 4 tens = ______
13
130
21
210
3. 5000 - ________ = 4900
50
4900
10
100
4. The answer of subtraction is called ____________.
difference
sum
product
Division
5. 1234 – 200 = ___________
1000
1200
1034
1230
6. 15 pairs of earrings = __________ earrings.
2
30
15
17
7. 23 X 10 = _______
23
10
230
2310
8. 67 x ____ = 0
1
0
67
10
9. If you buy a pencil box that costs Rs.45 with a 100 rupee note, you will get back Rs.___.
45
55
100
5
10. Which number will you multiply by 10 to get 300? ___________
3
10
30
300






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Maths Online Exams Questions Answers Class 3 - 3

1. 7 x 8 = _________

7
8
15
56
2. 3 x 40 = ________
12
120
7
70
3. 5 x 500 = _________
25
250
2500
10
4. 7 x 100 = _________
700
7
100
0
5. How many days are there in 25 weeks?
7
25
175
32
6. If 11 x 12 x 13 = 1716 , then what is 13 x 11 x 12 = __________
1617
1761
1671
1716
7. Which two numbers have a product of 80 and sum of 18?
1 and 18
10 and 8
10 and 18
8 and 18
8. Which two numbers have a product of 30 and difference of 1?
6 and 5
10 and 3
15 and 2
30 and 29
9. Which two numbers have a sum of 9 and product of 14?
9 and 1
14 and 1
14 and 9
7 and 2
10. Which two numbers have a difference of 4 and product of 32?
4 and 1
8 and 4
16 and 2
32 and 4






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Maths Worksheets for Class 3 Multiplication - 2

1. _____ x 46 = 0

1
46
0
10
2. 8 x 3 = _____ + 4
8
3
24
20
3. 13 hens have ___________ legs.
2
13
26
52
4. Write the multiplication fact of 9+9+9+9+9+9+9. ___________
9x9
9x7
63
9x9x9x9x9x9x9
5. Numbers that are multiplied together are called___________
factors
product
multiplication
number
6. There are 69 seats in a hall. How many seats are there in 36 such halls?
69
36
105
2484
7. 280 x _________ = 280
0
1
280
10
8. 86 x _________ = 0
0
1
86
10
9. 34 x _________ = 3400
1
10
100
1000
10. 15 x _________ = 150
1
10
15
150






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