Interesting science facts for students on National Science Day 2020

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Science facts :  

  1. Dog have superior hearing than humans, capable of hearing sounds at four times the distance.

  2. Infants blink only once or twice a minute while adults average around 10.   

  3. A person who studies dinosaurs is known as a paleontologist.

  4.  As well as having unique fingerprints, humans also have unique tongue prints.

  5. The Solar System formed around 4.6 billion years ago.

  6. Lions are the second largest big cat species in the world (behind tigers).

  7. Lionesses are better hunters than males and do most of the hunting for a pride.

  8.  In the wild, lions rest for around 20 hours a day.

  9.  Scientists have the dated the Earth as being between 4 and 5 billion years old.

  10.  The Amazon rainforest is the largest tropical rainforest on Earth

  11.  Rainforests are forests that experience a high level of rainfall.

  12.  Scientists believe that there may be millions of plant and insect species in rainforests that have yet to be discovered. 

  13.  Water in the form of ice is found at the polar ice caps of the planet Mars, some scientists have also suggested the possibility of liquid water on the red planet.

  14.  Pure water has no smell and no taste, it also has a pH level around 7.

  15. Water expands as it cools from 4 °C to 0 °C (above 4 °C it does the opposite). In freezing conditions, water has been known to burst water pipes as it freezes to ice.

  16. India is the world’s largest producer of bananas, producing nearly 22 million tons in 2007.

  17. Humans have grown bananas for thousands of year

  18. The average banana weighs around 125 grams.

  19.  Bananas contain around 75% water. 

  20. Paper money was first used in China over 1000 years ago.

  21. Credit cards were first used in the United States in the 1920’s. 

    •  The first coins were minted (made) around 2500 years ago.

    • The Sun is over 300000 times larger than earth. 

    • Because of lower gravity, a person who weighs 200 pounds on earth would only weigh 76 pounds on the surface of mars. 

    • It might only take you a few minutes to finish a meal but it takes your body around 12 hours before it has completely digested the food

    • Dolphins are believed to be very intelligent.

    • Dolphins have excellent eyesight and hearing as well as the ability to use echolocation for finding the exact location of objects.

    • Dolphins communicate with each other by clicking, whistling and other sounds. 

    • unlike humans, cows and horses sleep while standing up.

    • The largest land based mammals on Earth are elephants.

    • The world’s biggest source of energy for producing electricity comes from coal.

    • common way to produce electricity is by hydropower a process that generates electricity by using water to spin turbines attached to generators.

    • Electricity plays a role in the way your heart beats. Muscle cells in the heart are contracted by electricity going through the heart. Electrocardiogram (ECG) machines used in hospitals measure the electricity going through someone’s heart.


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