Objects that float in water are generally ___ than the water.

Less dense

True or False: A raw puri will float when placed in water.

False. A raw puri sinks because it is denser than water.

What happens to puris when they are fried in hot oil?

They puff up and begin to float.

Riddle: I can be solid or liquid, and when I'm cold, I float like a feather. What am I?

Ice 

How does adding salt to water affect the ability of objects to float?

Adding salt to water increases the water's density, allowing heavier objects that would normally sink, like eggs, to float.

I am a body of water where even non-swimmers can float due to high salt content. What am I?

The Dead Sea

What happens to the density of water when salt is dissolved in it?

The density of the water increases, making it thicker and allowing heavier objects to float.

Fill in the blank: Substances that dissolve in water are called ___.

Soluble substances

I am a substance that settles at the bottom when mixed with water, like sand or pebbles. What am I?

Insoluble substances

Which of the following substances is soluble in water? A) Sand B) Sugar C) Chalk D) Pebbles

B) Sugar

Fill in the blank: Oil does not mix with water because it is an ___ liquid.

Immiscible 

True or False: Adding sugar to water causes it to move faster when tilted.

False. Adding sugar slows down the movement of water.

Riddle: I rise when heated but disappear when I cool. What am I?

Steam (evaporated water)

What can be inferred about the movement of liquids based on their density?

Heavier liquids move slower than lighter liquids, as observed with water, oil, and sugar solutions.

Fill in the blank: The Dandi March took place from ___ to the Dandi seashore in Gujarat.

Ahmedabad

True or False: The Dandi March was a peaceful protest against the salt tax imposed by the British government.

True

I am gathered from seawater and left behind after the sun dries the water. What am I?

Salt