(2) The SI unit of length is foot.

(4) The mass of one pound is almost equal to one kilogram.

(5) A beam balance can measure volume.

(6). Surface area can be estimated using a graph paper.

(7) Our body temperature is much less in centigrade thermometer.

(8) The unit of area is always written as m/2.

(9) In digital thermometers there is no chance of parallax error.

(1) The distance between two fixed points is called mass.

(3) We can measure the length of cloth by using a metre ruler.

(10) The mercury laboratory thermometer can be taken out and brought to eye level for taking the reading to avoid parallax.

(1) We should prefer to use ____________ thermometers over mercury thermometers.

(2) Mercury laboratory thermometers are longer than ____________.

(3) We use instruments to get ____________ measurements.

(4) In centigrade scale the boiling point of water is ____________.

(5) The interval between two events can be called as ____________.

(6) The unit of measurement should be correct and ____________.

(7) A leap year is slightly bigger than ____________.

(8) Area of regular figures can be calculated by using ____________.

(9) In a clock the time between two ticks is ____________.

(10) 2700 kg in metric ton is equal to ____________.

(2) year, leap year, second, km

(1) cm, m, lb, km

(3) kg, mass, beam balance, clock

(4) Thermometer, °C, K, second

(2) How is a stopwatch useful?

(4) Name one multiple and one submultiple of meter.

(6) In a mercury clinical thermometer, why is there a kink?

(1) How can we take correct measurement by a ruler that is broken up to 3 cm.

(3) Can a clinical thermometer be used to measure temperature of boiling water?

(5) Why is the mercury laboratory thermometer longer than the mercury clinical thermometer?

(7) What is hypothermia?

(8) Name two precautions one should take while using a sensitive balance.

(a) Physical quantity is a quantity that can be ____________.

(b) Space between two ends of a ruler is its ____________.

(c) Temperature measures the ____________ of a body.

(d) The unit for area of an irregular body can be ____________.

(a) How to convert 5000 meter into kilometer:

(b) How to convert one year to hours :

(c) How will you avoid parallax error in reading a length:

(d) How will you measure the mass of a packet of paneer :

(3) What are the advantages of a digital thermometer?

(1) How are standard units useful in measuring physical quantities?

(2) What are benefits of using the 24 hour clock system?

(4) Describe how you will measure the area of a football ground.

(5) What are the steps in taking readings from a laboratory mercury thermometer?

(6) Using a grid paper; how can we estimate the area of an irregular surface?

(7) What are the benefits of using internationally accepted units of measurement?

(8) Convert the following as indicated: a) 1500 kg to metric ton b) 1500 kg to quintal c) 15 lb to kg d) 10 mg to kg

1/100 m

stopwatch

Keeping eye position at perpendicular angle

Units of time

unit

It is the space occupied by a body.

A

After the bulb

Area

Units of time

7.30 pm