If everyone uses the same meter scale and reads it correctly, the results should be consistent. Differences arise from using various scales or incorrect readings, but a standard meter scale ensures uniform measurements.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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When reading a scale, position your eye perpendicular to the scale’s markings to avoid parallax error. This ensures accurate measurement by aligning your line of sight directly with the scale’s markings.
Flexible measuring devices, like tape measures, can easily conform to various shapes and surfaces. This adaptability allows for accurate measurements of irregular or curved objects, which rigid devices cannot measure effectively.
Without windows, you can’t directly observe the ship’s movement. However, if you drop an object and it falls straight down, the ship is moving. In a stationary ship, the object would appear to drift.
To express the distance between your school and home in meters, convert the distance from kilometers to meters, multiply by 1000. The distance between your school and home is 1.5 kilometers, which equals 1500 meters (1.5 km × 1000 = ...
Wrap a flexible measuring tape around the curved base of the tumbler or bottle to measure its circumference. Record the length in centimeters or millimeters, ensuring the tape is snug and level.
Measure your friend’s height with a meter scale. Express the height in meters (e.g., 1.5 meters), convert it to centimeters by multiplying by 100 (150 cm), and then to millimeters by multiplying by 1000 (1500 mm).
Estimate the number of coins by dividing the notebook’s side length by the coin’s diameter. Measure the side and coin using a 15-cm scale, then verify by placing coins lengthwise to match your estimate.
Linear motion examples: a car driving on a straight road, a train moving on tracks. Circular motion examples: a fan’s blades spinning, Earth orbiting the Sun. Oscillatory motion examples: a pendulum swinging, a guitar string vibrating.
Tasneem should not use stretchable rubber and cloth because they can change shape and length, leading to inaccurate measurements. A meter scale needs a rigid material like plywood, paper, or steel for accuracy.