Class 6 Science Curiosity Measurement of Length and Motion
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Q: What is the SI unit of length?
A: The SI unit of length is metre (m).
Q: How many centimeters are in 1 metre?
A: 1 metre = 100 centimeters
Q: What is a reference point in measuring distance?
A: A fixed object or point from which distance is measured.
Q: What are the three main types of motion described?
A: Linear motion, circular motion, and oscillatory motion.
Q: When is an object said to be in motion?
A: When its position changes with respect to a reference point over time.
Q: What is oscillatory motion?
A: Motion where an object moves to and fro about a fixed position.
Q: How many millimeters are in 1 centimeter?
A: 1 centimeter = 10 millimeters
Q: What tool is used to measure the length of curved lines?
A: A flexible measuring tape or thread can be used.
Q: What is periodic motion?
A: Motion that repeats its path after a fixed interval of time.
Q: What unit would be most appropriate to measure the distance between two cities?
A: Kilometer (km)
Q: What is linear motion?
A: Motion along a straight line.
Q: What is circular motion?
A: Motion along a circular path.
Q: How many meters are in 1 kilometer?
A: 1 kilometer = 1000 meters
Q: What is the correct way to place a scale when measuring an object’s length?
A: The scale should be in contact with the object along its length.
Q: What should be the position of your eye when reading a scale?
A: Directly above the point being measured.
Q: How can you measure length if the ends of a scale are broken?
A: Use any other full mark on the scale and subtract it from the reading at the other end.
Q: What is an example of a non-standard unit of length ?
A: Handspan (balisht)
Q: Why is it important to use standard units of measurement?
A: To ensure consistency and avoid confusion when different people measure the same thing.
Q: What type of measuring device is best for measuring the girth of a tree?
A: A flexible measuring tape
Q: What is the symbol for meter?
A: m
