Select Board & Class
write a paragraph on 'unity in diversity'
name two gases insoluble in water
What is sonorous property of metal?
name any five objects which can be made from more than one material
the things which float in water will they float in oil or kerosene also
why some metal loses their shine and apperance dull ?
what is buoyant force
why do we need to group materials
items known to you that float on water. Check and see if they will
float on oil or kerosene.
Metals are lustrous but the iron rod used in construction does not shine. Why?
in what ways is all matter alike?
GIVE ME SOME EXAMPLES OF SOLUBLE AND INSOLUBLE GASES AND LIQUIDS
name any four materials that can be used to make school bags.
Name five gases insoluble in water??
Can water cause molecules in a piece of chalk to break apart how can you say this
Define density. How is it related to floating and sinking in water?
Hots Questions: Think and answer :
1) You want to take a tumbler to a picnic. You want to crush and throw away the tumbler after use. Name two materials from which such a tumbler can be made.
2) Can water cause molecules in piece of chalk to break apart? How can you say this?
3) Which has greater density-ice or water? How can you say this?
4) Two molecules of a solid are kept some distance apart and the force between them is measured. The solid is then melted to form a liquid. Two molecules of the liquid are now kept the same distance apart and the force between them is measured. Which force will be greater? Explain why.
Why do we need to classify the objects?
some examples of lustrous material?
how can wood float in water i think it's heavyer than water is it hollow??
differenciate between hard and soft material
why is diamond non metal?
are human beings opaque or translucent?
If there are opaque, why does the torch light pass through our palm when we cover the glass of a torch?
what is talcum powder. does is dissolve in water?
what are the advantages of synthetic fibre
What are sonorous materials?
what does ductile , malleable, sonorous mean?
Why is sugar solluble but sand is not soluble in water? what is the difference in the properties?? please help me
write five difference between metals and non-metals.
why a ship made up of steel floats in sea water but a needle sink
write five advantages of grouping in classifying material
objects which can be made from wood.
how to make paper translucent..?
is fog and mist transparent, translucent or opaque? why?
Is there some method that we dissolve kerosene in water? and can you tell me the method?
what are conductors and insulators?
why do es an empt y cooking gas cylinder feel lighter than a filled cylinder?
In what ways is all matter alike
what are translucent objects
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