Page 128 - YEAR BOOK 2022-23

FACTS TO WONDER!

¬ Earth's oxygen is produced by the oceans: -
Plankton, seaweed, and other photo synthesizers produce more than half of the world's
oxygen.

¬ Animals use Earth's magnetic field for orientation: -
There is evidence that some animals, like sea turtles and salmon, have the ability to sense
the Earth's magnetic field and can use this sense for navigation.

¬ A cloud can weigh around a million pounds: -
The average cumulus cloud can weigh up to a million pounds, according to the USGS.
That's about as heavy as the world's largest jet.

¬ Rats laugh when they're tickled: -
A video from National Geographic channel demonstrates that rats respond positively to
tickling, and they even chase after the researcher's hand in a playful manner.

¬ Humans have genes from other species: -
A human genome consists of as many as 145 genes that have jumped from bacteria, fungi,
other single-celled organisms, and viruses.

¬ It can rain diamonds on other planets: -
The atmospheres in Neptune, Uranus, and Saturn have such extreme pressure that they can
crystallize carbon atoms and turn them into diamonds.

Rathika. G
10 - E

FUN SCIENCE FATCS

ò The Eiffel tower can be 15 cm taller during summer.
ò The hottest chilli pepper in world, is so hot that it could kill you.

ò Venus is the only plant in the Solar system that rotates in clockwise direction.

ò The only part of the body that has no blood supply is the cornea of the eyes. It receives oxygen
directly from the air.

ò If your saliva can’t mix with food , you won’t be able to taste it.

ò Your eyes can identify 10 million colours and your nose can remember 50,000 Scents.