Introducing Science - Mass and Time

State the definition (meaning) of mass.

• The measurement of length of the body.

• The measurement of the amount of substance in a body.

• The measurement of height of the body.

• The measurement of hotness or coldness of a substance.

What is the S.I. unit of mass?

• Kilogram

• Tonne

• Degree Celsius

• Metre

Name an instrument used to measure mass.

• Stopwatch

• Ruler

• Thermometer

• Electronic balance

Convert 1.75 kg into g.

• 17.5 g

• 0.1750 g

• 1750 g

• 175 g

Convert 345 g into kg

• 0.345 kg

• 0.0345 kg

• 3.45 kg

• 34.5 kg

Which one is the correct S.I. unit for time?

• Days

• Minutes

• Hour

• Seconds

Aiman runs for a 100 m race. Which instrument would you use to record his time?

• Hour glass

• Stopwatch

• Clock

• Sundial

This instrument is used to measure mass. Name this instrument.

• Electronic balance

• Spring balance

• Triple beam balance

• Weight balance

Convert 3.8 h into min.

• 240 min

• 350 min

• 79 min

• 228 min

Convert 7545 min into h

• 12.58 h

• 125.75 h

• 1.25 h

• 12575 h