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When ice melts into water, what types of changes do you observe?
Cooked food is the:
If we burn a candle, the height of a candle will,
For making curd, we should _________ the milk.
Metal rim is made slightly __________ than the wooden wheel.
The metal rim on __________ expands and fits into the wheel.
The black material (tar) for repairing road is ___________.
The incense stick when burned gives ____________.
Metal expand on heating and contract on _____________.
A change in a substance can be brought by heating it or by _____________ it with other substances.
An iron piece is heated red hot and beaten into a ___________ shape.
The change which can be reversed is known as _____________.
The change which cannot be reversed is known as _________________.
A process in which liquid changes into gas is known as _______________.
A process by which gas is turned into liquid is known as ______________.
A process in which liquid is freezed into solid is known as ________________.
When a solid dissolves in liquid then ___________ is formed.
Select a few changes taking place around us on their own.
The changes that require long time to occur are called _____________.
The changes which occur immediately are called ________________.
Irreversible changes can also be called ______________.
Reversible changes can also be called ______________.
It is possible to get back the balloon in its original shape and size if it does not burst.
It is not possible to get back the ball of dough again.
The size of the paper is same as before and after making an aeroplane by folding.
If the potter bakes the pot in an oven, this change can reversed.
Tearing of a cloth is a reversible change.
Curdling of milk is a chemical change.
Substances dissolves easily at room temperature than at higher temperature.
Air contracts on heating.
Exposure of a photographic film is an irreversible change.
Souring of milk is a ………………….. change.
Breaking of glass is a ………………….. change.
Chalk powder is ………………….. in water.
Powdering of sugar is a ………………….. change.
Cart wheel with ………………….. rim fixed to it.
Tools are often ………………….. before fixing wooden handles.
A ball of dough and a rolled out ……………………
A toy aeroplane made by ………………….. paper.
A balloon changes its size and shape on ………………….. air into it.
Some times, leaves ………………….. from trees, change colour and dry out.
Changes can effect the things in their surroundings in ………………….. ways.
The solution which cannot dissolve more of a solute at a given ……………………
On heating the solubility of a substance ……………………
