A newly made paper boat ____________ in water.

• sink

• sink half

• floats

• None of these

Rahul has thrown a leaf and a coin in glass of water . Which will float ?

• Both

• only leaf

• only coin

• None

Dead Sea is ____________-

• Near Mediterranean sea

• near Israel border

• is very big and salty

• lowest water body on earth

I will not drown in --------------- if i don't learn swimming

• A swimming pool full of salt water

• A swimming pool full of concentrated salt water

• River

• Suhkna lake

which is correct pair ?

• empty plastic and empty glass bottle float in plain water

• empty glass bottle floats but bottle full of juice will sink

• both a ship made of iron and paper boat will sink

• potato in plain water will float

. Sita does not know swimming , she will float in ____________--

• Dead swimming pool

• a swimming pool

• Pacific ocean

• Dead sea

Avneet made a small toy boat of clay . in which condition it will float ?

• she has to use colored clay

• she has to use paper boat

• a tub full of water from dead sea

• None of these

Why DEAD SEA is called dead ?

• it has no animals and plants in it due to high salt

• it is dead

• we can float on it due to high salt

• it is black sea

See the picture using SPRING BALANCE to measure weight of an object . Now find the correct option below..

• object becomes heavy inside water

• weight of object outside water is more than inside water

• weight of object is less in air

• both weights are same

The Scientist who first discovered why objects FLOAT or SINK is -------------

• Archimedes

• Archimedes and buyont force

• Newton

• both Newton and Archimedes