HARD
7th CBSE
IMPORTANT
Earn 100

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)
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Important Questions on Motion and Time

EASY
7th CBSE
IMPORTANT

Discuss in which direction will the smoke from the engine of an electric train escape, if the train is going from north to south.

EASY
7th CBSE
IMPORTANT

What about the movement of the earth or other planets around the sun or movement of a pendulum? What type of movements are they?

EASY
7th CBSE
IMPORTANT
How is the periodic movement of a pendulum used in making watches?   
EASY
7th CBSE
IMPORTANT
What is the SI unit of time?
EASY
7th CBSE
IMPORTANT
What is meant by the time period of a pendulum?
EASY
7th CBSE
IMPORTANT
How is a solar day and a second related?
EASY
7th CBSE
IMPORTANT
What is speed? What is its unit?
EASY
7th CBSE
IMPORTANT
Define uniform and non-uniform motion.