6th Standard Term 1 Science Unit 1 Measurement Question and Answers

6th Standard Term 1 Science Unit 1 Measurement Question and Answers ```html

📏 6th Standard Science

Term 1 - Unit 1 : Measurement

I. Multiple Choice Questions

1. The height of a tree can be measured by

a) metre scale
b) metre rod
c) plastic ruler
d) measuring tape

Answer: d) measuring tape

2. Conversion of 7 m into cm gives _____

a) 70 cm
b) 7 cm
c) 700 cm
d) 7000 cm

Answer: c) 700 cm

3. Quantity that can be measured is called ____

a) physical quantity
b) measurement
c) unit
d) motion

Answer: a) physical quantity

4. Choose the correct one

a) km > mm > cm > m
b) km > mm > m > cm
c) km > m > cm > mm
d) km > cm > m > mm

Answer: c) km > m > cm > mm

5. While measuring the length of an object using a ruler, the position of your eye should be

a) Left side of the point
b) Vertically above the point where measurement is taken
c) Right side of the point
d) Anywhere according to convenience

Answer: b) Vertically above the point where measurement is taken

II. True or False

1. We can say that mass of an object is 126 kg – True
2. Length of one's chest can be measured using metre scale – False
3. Ten millimetres makes one centimetre – True
4. A hand span is a reliable measure of length – False
5. The SI system of units is accepted everywhere in the world – True

III. Fill in the Blanks

1. SI unit of length is Metre.
2. 500 gm = 0.5 kilogram.
3. Distance between Delhi and Chennai can be measured in Kilometre.
4. 1 m = 100 cm.
5. 5 km = 5000 m.

IV. Complete the Analogy

1. Sugar : Beam Balance :: Lime Juice : Graduated Cylinders
2. Height of a Person : cm :: Pencil Lead : mm
3. Milk : Volume :: Vegetables : Weight

VI. Arrange in Increasing Order

1. Arrange the following in increasing order of unit.

1 Millimetre → 1 Centimetre → 1 Metre → 1 Kilometre

VII. Answer in a Word or Two

1. What is the full form of SI System?

International System of Units

2. Name any one instrument used for measuring mass.

Beam Balance

3. Find the odd one out.

Kilogram, Nanometre, Millimetre, Centimetre
Answer: Kilogram

4. What is the SI Unit of mass?

Kilogram

5. What are the two parts present in a measurement?

Multiple and Submultiple

VIII. Grid Answers

1. Millimetre
2. Second
3. Parallax
4. Time
5. Mass
6. Accurate
7. Length
8. Odometer
9. Tape
10. Litres

IX. Answer Briefly

1. Define Measurement.

The comparison of an unknown quantity with a known quantity is called measurement.

2. Define Mass.

Mass is the measure of the amount of matter present in an object.

3. Convert 43.65 km into metre and centimetre.

43.65 × 1000 = 43650 m
43.65 × 100000 = 4365000 cm

4. Rules for accurate measurement using a scale.

• Write the correct submultiple.
• Keep the object parallel to the scale.
• Start measurement from zero mark.

X. Solve the Following

1. Convert 2250 m into kilometre.

2250 ÷ 1000 = 2.25 km

2. Find the length of the pencil.

12.1 cm − 2.0 cm = 10.1 cm

XI. Answer in Detail

1. Explain a method used to measure the length of a curved line.

• Draw a curved line on paper.
• Place a string along the curve.
• Mark the beginning and ending points.
• Stretch the string on a metre scale.
• Measure the distance between the marks.
• The measured distance is the length of the curved line.

🌟 6th Standard Science | Measurement Notes 🌟

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