Answer. Each side = 5 x 10 = 50mm (All sides of square are equal) Q13. 3. Fill in the blanks with appropriate words: Question 3. NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12. Question 4. (b) Vibratory motion Answer: Invention of wheel. (a) The galloping of a horse: Linear motion. Find the length of square in mm. (c) 1000 (c) 100 Question 6. How will you measure the length of any curved line? In such a case short measurement is resulted. Fill in the blanks: (i)One meter is ——– cm. Science Class 6 Important Questions are very helpful to score high marks in board exams. Bull is moving around a central pole (See Fig. 6. The motion in which a body moves along a circular path about a fixed point or axis without changing its position is called rotatory motion. (iii) Air—Aeroplane, Helicopter. Question 3. Fill in the blanks: What are its types? Ans: Question 3. Motion of second’s hand in a clock is a circular motion. It was the …………………. (e) Metre scale or measuring tape A . Answer: Class 6 Measurement-distance-motion. (b) Centimetre Using a thread how will you find the circumference of a one-rupee coin. Why can a pace or a footstep not be used as a standard unit of length? Ans: An elastic measuring tape gives incorrect length of the distance between two points. The motion which repeats after a regular interval of time is called periodic motion. Divide the total length of the coil by number of turns. Measure it separately by adjusting the divider. Ans: 100 cm. The choice of a length-measuring device depends upon the type of measurement to be made. (a) Rectilinear motion. Here students can find in detail explanations for every terminologies provides in this chapter. Question 6 . (c) 1 km = 100 m Define cubit and foot. Ans: We need standard unit for measurement to make our judgement more reliable and accurate. Question 1. Fix a rubber string or a piece of a thread stretched between the nails. Question 2. (b) B Answer: My P.T. (d) Linear motion Register online for Science tuition on Vedantu.com to score more marks in your examination. Answer (d) Very Short Answer Questions . Motion is the change in …………….. of an object. Answer: (b) Millimetre Are senses reliable for accurate measurement? After taking these practice tests, you can check your performance against the performance of other students as well. Answer: At the end, some portion of line may be left out, being less than the distance between the two legs. 1 mm = 10-3 m or 103 mm = 1 m. Question 7. Class 6 - Science - CH10 - Motion and Measurement of Distances ... Motion and Measurement of Distances. (a) Kilometre (ii) Spinning motion: (a) Rotating fan, (b) Wheel of sewing machine. (d) Weighing balance teacher has plastic made tape scale to measure the length. (b)65 x 100 x 10 mm = 1650 mm. (a) 1 cm = 10 mm, 15 cm = 150 mm. Ans: 3. 6.question.The distance between Radha's home and her schools 3250m. (v) Motion of wheel of a bicycle is_____________ . (c) Step Which power was used to pull vehicles […] 4. Ans: because these vary from person to person. What is the system used for measurements nowadays? (d) 1 decimetre ………………1 centimetre. Ans: Rectilinear or linear motion. Answer: (a) 1 m = 100 cm Give one example each of the following types of motion: Ans. (ii)Five kilometer is ———– m. (iii)Motion of a child on a … What is translatory motion? (i) The length of the elastic tape varies and depends upon the force by which it is stretched. (d) the blades of an electric fan 2. Name the SI unit of length. Answer.165cm. Correct the following. Define ‘unit’. Answer: Define periodic motion. (vi) Circular motion Arrange the following lengths in their increasing magnitude: 1 metre, 1 centimetre, 1 kilometre,1 … (d) All of these (ii) The unit in which that quantity is measured. …………….. motion is also a periodic motion. Take ten coins and put them one over another. What type of motion do the following objects have? Answer: Question 2. It is difficult to make near about correct estimate. It is one of the ways in which diameters of spherical surface can be measured easily. (iv) Periodic motion Each centimetre has ………………. Name the measuring device which can be used for measuring the girth of a tree. 1 metre, 1 centimetre, 1 kilometre, 1 millimetre. Ans: Our senses are not reliable for accurate measurement. 2. 9. Answer. Answer: Ans: The unit that could be used everywhere as a basic unit of measurement is called a standard unit. Class 6-Home. (d) Periodic. (c) C only (d) Any of the three scales. (d) Any way can be choosen Answer: Answer: Kilometre (km). Motion of second’s hand of a clock is rectilinear. Give examples of periodic and oscillatory motions. State two precautions, which should be taken while using a metre scale to measure the length of an object. If you are a student of class 6 who is using NCERT Textbook to study Science, then you must come across chapter 10 Motion and Measurement of Distances. Displacement: It is the shortest distance travelled from one point to another. Question 8. The hour hand of the wall clock is in motion because it is changing its position. Which device we can use to measure the length of a curved line? Observe the following figures and state which type of motion is that? You will get the total length of curved line. (a) Distance between Delhi and Jaipur. (f) Wheels of moving car: Linear motion and Rotational motion. What type of motion is this? Name the invention which made a great change in modes of transport. Swinging of our arms or legs are periodic motions. . (d) Apple falling from a tree and motion of a car on road are the examples of rectilinear motion. (b) Thickness of a coin. Millimetre (mm). It can be rounded up in round box. The subsequent section explains different procedures to measure distance with the help of activities which includes measuring the length of the desk with Gilli and danda. Fill in the blanks with < or > sign. Ans: (e) Cloth for curtain. Question 3. Differentiate between distance and displacement. Cloth merchants use iron/steel metre scale. Answer: Give two examples of periodic motion. Reasons: 3. Measurement is the technique developed for correct judgement of dimensions of various objects. (d) Inch Why could you not use an elastic measuring tape to measure distance? (a) the galloping of a horse B . List three uses of metre. 1 millimetre < 1 centimetre < 1 metre < 1 kilometre. This solution contains questions, answers, images, explanations of the complete chapter 10 titled Motion and Measurement of Distances of Science taught in class 6. (a) 150 mm Most important, eye should be correctly positioned above the point to be measured to make a correct measurement. Question 10. What is circular motion? Answer: Place the scale in contact with the object along its length. The height of a person is 1.65 m. Express it into cm and mm. (b) Mutthi (fist) Ans: The result of a measurement is expressed in two parts. 8. Take a round pencil and wrap the given wire round the pencil making 25 turns forming a coil. So, 1.65 m = 1.65 × 100 = 165 cm . Question 2. (a) Measuring tape Question 5. (c) Centimetre (c) 1 hectometre < 1 kilometre. (c) Circular ceiling fan Divide the total thickness by the number of sheets. The distance between Ria’s house and temple is 1340 m. Express this distance in kilometre. (b) 1/10 Question 7. The distance between Radha’s home and her school is 3250 ,m. Express this distance in km. Thus, distance between Vibu’s home and his school is 2.25 km. Our classroom is said to be at rest according to the definition of motion. Answer: Answer: (c) Your height. 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(d) All other units vary from person to person. Define rest and motion. How wide is this desk? Fill in the blanks: (i) One metre is __________ cm. In other words, we can say that we are in motion in comparison to outside trees and other buildings and stationary in comparison to things inside the bus. Very small length like thickness of coin or wire is expressed in millimetres (mm). Question 6. Answer: Cubit is the length between the tip of the elbow and the middle finger. Two precautions are: Question 5. Moving ceiling fan is an example of …………… motion. An object that does not change its positions with time is said to be at rest. Fig.10.6 . (i) Linear motion (ii) Dissimilarity: Bicycle moves forward thus executes rectilinear motion but fan does not show such motion. A 30 cm scale has one end broken. Motion & Measurement Of Distances, Questions & Answers of the Chapter explained in a proper way, for Science / Physics of Class 6. Answer: 10.8). (i) A number describing the numerical value. Question 2. (ii) The eye should be kept in line with the point of measurement. 10.14). 5. Striker in the game of carroms moves in a …………. Answer: (a) 1 decametre > 1 decimetre. (Hi) Random motion. Ans. (a) Size of your shoulder. (d) Vibrational motion (a kind of Periodic motion). Class 6 Science Chapter 10 VERY SHORT ANSWER TYPE QUESTIONS. Answer: How would you measure the thickness of a coin? Answer: Answer: In rotational motion whole body moves about an axis. State two precautions to be observed while measuring length with the help of a metre scale. (c) 1 km = 1000 m, 4 km = 4000 m, (iv)15 cm are equal to Measurement means the comparison of an ………………….. quantity with some ……….. quantity of the same kind. Measurements ,Motion and Measurement of Distances - Get topics notes, Online test, Video lectures, Doubts and Solutions for CBSE Class 6 on TopperLearning. Animals were used to pull vehicles in ancient times. 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