Force and Motion One Mark Questions

6th Standard

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Science

Time : 00:30:00 Hrs
Total Marks : 20
5 x 1 = 5
1. Unit of speed is__________

(a)

m

(b)

s

(c)

kg

(d)

m/s

2. Oscillatory motion among the following is__________

(a)

Rotation of the earth about its axis

(b)

Revolution of the moon about the earth

(c)

To and fro movement of a vibrating string

(d)

All of these.

3. Periodic motion among the following is___________

(a)

sabling swing in wind

(b)

revolution of the moon around the earth

(c)

a coconut falling from a tree

(d)

paper flight moving

4. Usain Bolt crossed 100 metre in____________seconds and made a world record

(a)

9.58

(b)

9.83

(c)

9.85

(d)

9.38

5. _________________are robots scaled down to microscopic size in order to put them with very small spaces to perform a function

(a)

car robots

(b)

home robots

(c)

game robots

(d)

nanobots

6. 6 x 1 = 6
7. Motion of a potter’s wheel is an example of __________ motion.

()

Rotatory

8. When an object covers equal distances in equal interval of time, it is said to be in __________motion.

()

Uniform

9. ______________are push or pull by an animate or inanimate agency

()

forces

10. Application of force in object results in____________

()

Expansion or contraction

11. Fast oscillations are referred to as____________ motion

()

Vibrations

12. Motion repeated in equal intervals of time is called__________

()

Perodic motion

13. 4 x 1 = 4
14. To and fro motion is called oscillatory motion

(a) True
(b) False
15. Vibratory motion and rotatory motion are periodic motions

(a) True
(b) False
16. Vehicles moving with varying speeds are said to be in uniform motion

(a) True
(b) False
17. Robots will replace human in future

(a) True
(b) False
18. 5 x 1 = 5
19. (1)

Circular motion

20. (2)

linear and rotatory motion

21. (3)

Oscillatory motion

22. (4)

linear motion

23. (5)

rotatory motion