CLASS 6 TIME AND MOTION

1..Fill in the Blanks carrying one mark each:

(a)…………… is the standard unit for measuring time.

(b)100 cm = ………………… m.

(c)…………………. Is the distance between two given points.

(d)The moving of the moon around the earth is an example of ……………………… motion.

(e)A cricket ball rolling down the ground gradually slows down and exhibits…………….. motion.

2.Write True (T) or False (F) carrying one mark each:

(a)Beating of your heart is non‐periodic motion.

(b)A stone falling from the roof shows rectilinear motion.

(c)A butterfly in the garden is an example of uniform motion.

(d)A wavy line can be measured with a protractor.

(e)Long distance are measured in kilometers.

3.Answer in one line only carrying two marks each:

(a)What is the system of units used nowadays called?

(b)What is motion?

(c)The distance between Kartik’s home and school is 3456 m. Express the distance in kilometers.

(d)What is random motion?

(e)What is the need to have standard units for measurement?

(f)What type of measuring device would you use to measure the girth of a tree

4 Give examples of.

(i) Rectilinear motion

(ii) Circular motion