EASY
7th CBSE
IMPORTANT
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Name the device whose periodic motion was used for making clocks till recently. (Sundial/ Simple Pendulum/ Hourglass)

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Important Questions on Motion and Time

EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 13 - Motion and Time>Very Short Answer Type Questions>Q 14
Name two natural units of time which were used for measuring time in olden days.
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 13 - Motion and Time>Very Short Answer Type Questions>Q 15
What name is given to the metallic ball of a simple pendulum?
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 13 - Motion and Time>Very Short Answer Type Questions>Q 16
What type of motion is illustrated by the bob of a simple pendulum?
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 13 - Motion and Time>Very Short Answer Type Questions>Q 17
Name the material which is used for measuring time in electronic clocks and watches.
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 13 - Motion and Time>Very Short Answer Type Questions>Q 18
Name the two most common time-measuring devices.
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 13 - Motion and Time>Very Short Answer Type Questions>Q 19
What is the smallest time interval which can be measured accurately with commonly available clocks and watches?

(Choose from: 1 second/1 minute)

EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 13 - Motion and Time>Very Short Answer Type Questions>Q 19

What is the smallest time interval which can be measured accurately:

With clocks and watches used in sports meets.

EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 13 - Motion and Time>Very Short Answer Type Questions>Q 20
Which of the two is a bigger unit of time?