When ice melts to form water, change occurs in its

Drying of wet clothes in air is an example of

Out of the following an example of a desirable change is

Air pollution leading to Acid rain is a

Magnet attracts iron needle. This is ________change. (a reversible / an irreversible)

Boiling of egg results in_________change. (a reversible / an irreversible)

Plants convert Carbon-di-oxide and water into starch. This is an example of _____________change. (natural / human made)

Bursting of fire crackers is a _______change whereas germination of seeds is a ______change. (slow / fast)

Growing of teeth in an infant is slow change.

Burning of match stick is a reversible change.

Change of New moon to Full moon is human made.

Digestion of food is a physical change.

In a solution of salt in water, water is the solute.

Glowing of a bulb, lighting of a Candle, breaking of a coffee mug, curdling of milk

Inflating a balloon, popping a balloon, fading of wall paint, burning of kerosene

Curdling of milk : irreversible change :: Formation of clouds : ________change

Dissolving of glucose : reversible change :: Digestion of food: ___________ change.

Burning of matchstick :_______ change: Rotation of the Earth : Slow change

What kind of a change is associated with decaying of a plants?

Define a slow change.

What is a solution?

What happen when paper is burnt? Explain.

What type of changes is associated with germination of a seed? Explain

When a candle is lit the following changes are observed.
a. Wax melts.
b. Candle keeps burning.
c. The size of the candle decreases.
d. The molten wax solidifies
e. Which of the changes can be reversed? Justify your answer.