List some observing tools.
Hand lens, microscope and magnifying box
What can we use to check how hot or cold something is?
Thermometer
What is the best tools used for counting the number of legs in insects body.
Magnifying box
Give the difference between hand lens and microscope
Both make small things look bigger. But still microscope can magnify things that can't be seen by naked eyes
In any race competition the winner can be identified by using:
Stop watch
Give the name of the tool we use to measure the mass of fruits and vegetables we buy from the market.
Pan balance
Give some examples where it is preferred to use ruler and when it is preferred to use measuring tape
Ruler is used to measure the length of straight object while measuring tape is used to measure the length of non straight objects
Volume of juice in this pitcher can be measured by using:
Graduated balance or measuring cup