Drying of wet clothes in air is an example of

Formation of curd from milk is

Air pollution leading to Acid rain is a

Changes that are harmful to us are_______________(desirable / undesirable)

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)

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.

Cooking of food : desirable change :: decaying of food : _________change

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

You are given some candle wax. Can you make a candle doll from it? What kind of change is this?

What happens when cane sugar is strongly heated? Mention any two changes in it.

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.