Experiments with water

Plastic katori floats in water

• It is heavy than water

• It is lighter than water

• It is a boat

• It is a game

Lemon floats in salty water

• Lemon is heavy

• Water is denser

• Lemon is denser

• Water is blue

The saltiest water body in the world is _______

• RED SEA

• PACIFIC OCEAN

• DEAD SEA

• INDIAN OCEAN

Why cannot a person sink in the dead sea?

• The density of a person decreases in the water of the dead sea.

• Excessive salt content decreases the density of water

• Excessive salt content increase the density of water

• The density of a person increases in the water of the dead sea.

Gandhiji undertook a march from Ahmedabad to ____________ in Gujarat.

• (a) Surat

• (b) Porbandar

• (c) Dandi

• (d) Vadodara

The quantity of salt dissolved per litre of water in the Dead sea is:

• 365 gms

• 200 gms

• 500 gms

• 800 gms

It isn’t important to save water because there is so much of it on Earth.

• (a) True

• (b) False

When we dissolve chalk powder in water,it

• Dissolves in water

• Floats on water

• Settle down in the water

This picture shows the process of making

• Ice

• Sugar

• Salt

• Talcum Powder

b) Which of the following dissolves in water?

• Wood

• Jaggery

• Dust

• Eraser