HARD
7th CBSE
IMPORTANT
Earn 100

Match the two columns:
Column A
Column B
1.
Odometer
(i)
The time taken by a pendulum to complete one oscillation
2.
Time period
(ii)
A device used by Romans to measure time
3.
Sand clock
(iii)
nanosecond
4.
One second
(iv)
Representation of the speed of different moving bodies
5.
Distance-time graph
(v)
A unit of time
(vi)
nanosecond
(vii)
Gives the distance travelled by a moving vehicle

Important Questions on Motion and Time
EASY
7th CBSE
IMPORTANT
One solar day is equal to

EASY
7th CBSE
IMPORTANT
A balance wheel is used in

EASY
7th CBSE
IMPORTANT
Speed is calculated as

MEDIUM
7th CBSE
IMPORTANT
A car is moving at a speed of and a truck is moving at a speed of . The distance-time graph will show

EASY
7th CBSE
IMPORTANT
The standard unit of speed is

HARD
7th CBSE
IMPORTANT
Solve the crossword puzzle given alongside with the help of the clues given below:
Across
2. | An act of change in position ( 6) |
3. | Measures distance (8) |
5. | A device to measure time (7) |
6. | A bob attached to a thread (8) |
7. | Records speed ( 11) |
Down
1. | A unit of time ( 6) |
4. | Movement of a pendulum bob (11) |
5. | Distance travelled in unit time (5) |

