- Sparrow sitting on the electric wires remains unharmed, but bat gets killed by electric shock.
- Boiled egg rotates smoothly but not raw egg.
- Salt water is used for making ice-cream.
- water rises in the small diameter glass tube if immersed in water.
- Activated carbon is used to remove color and odor from water.
- From earth, we see the sky blue, but if we go above earth’s atmosphere, sky looks dark black.
- We should wear white clothes in summer but dark colored in winter.
- Resin if put in water bulges but grapes if put in sugar syrup it shrinks.
- Those who work near furnace feel comfort, if they drink salty water.
- Planets have steady light, but stars blink.
- Steel rails are joined with each other with a gap in between.
- Copper wire is used for conducting electricity.
- Mercury is used in thermometer.
- Tungston wire is used in electric lamp.
- We see the lightening first , then hear its thunder.
- Oil in the lamp automatically rises through wick of lamp.
- All animals have their eyeballs black.
- If man becomes invisible, he will be blind.
- Sunflower always faces sun.
- Ball falling on the floor bounces up.
