Science Quiz

Why do we add salt while cooking vegetables?

• To enhance flavor

• To make them cook faster

• To preserve the vegetables

• Both a and b

Which gas is essential for humans to breathe?

• Carbon dioxide

• Oxygen

• Nitrogen

• Helium

Why do ice cubes float in water?

• Ice is heavier than water

• Ice has more density than water

• Ice is less dense than water

• Ice absorbs water

What vitamin do humans get from sunlight?

• A

• B

• C

• D

Fish are adapted to live in

• Ice

• Water

• Desert

• Plain

Elephant eats only leaves,fruits and grass. They are

• Herbivore

• Carnivores

• Omnivore

• None

Motion is the act of

• Moving

• Running

• Standing

• Sitting

Plastic is

• Conductor

• Insulator

• Non metal

• Metal

Heat changes water into

• Ice

• Liquid

• Vapour

• None

Chalk is a rock

• Hard

• Very hard

• Soft

• Fluffy