National Science Olympiad Forum By SOF Olympiad Trainer - Page 868
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Anish Chawla from Cambridge Co-ed School, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

Adithya Bharath M from Manipal School, Mangalore
Class : Class 7
Photosynthesis Plants need air water and sunlight to make food

Ans 2:

Khushi Nalawade from Podar International School, Hiranandani Powai, Mumbai
Class : Class 7
Photosynthesis is the process of plant making food. They need Air, Water, Sunlight, carbondioxide and chlorophyll to make food. Chorophyll - The green colour pigment present in leaves.

Ans 3:

suchir from dehli public school miyapur, Hyderabad
Class : Class 6
The process in which plants make their food is called photosynthesis. They need air, water and sunlight to make their food

Ans 4:

Shagun from MAXFORT DWARKA, New Delhi
Class : Class 5
Photosynthesis. Plants need sunlight ,water and carbondioxide to make their food.

Post Your Answer

Akhilesh from BGS Public School, Kengeri, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Class : Class 8
A NEW BORN BABY HAS 300 BONES. BUT THEY BECOME LESS AS THE BONES FUSE WITH GROWING AGE OF HUMAN BEINGS

Ans 2:

Arunit Dey from Don Bosco Silchar, Silchar
Class : Class 6
A human baby has 300 bones.But as he/she grows the bones fuse and join together to form new better and stronger bones.

Ans 3:

Achintya k j from KENDRIYA VIDYALAYA GOLE MARKET, NEW DELHI
Class : Class 9
A small child has 300 bones .As the child grows many bones fuse together

Ans 4:

Lakshya Garg from DMI, Meerut
Class : Class 6
A human baby has 300 bones.

Ans 5:

Tanvi21042005 from Presidency School Bangalore North, Bengaluru
Class : Class 7
Human body has 206 bones and a new born baby has 300 bones. The bones decrease in number as they grow because the bones combine and come to a count of 206.

Ans 6:

Abhay Tyagi from Billabong High International School, Noida
Class : Class 10
About 300 bones. They fuse and make better, stronger bones when the child grows up.

Post Your Answer

Atulya tripathy from Delhi Public School, sector 45, Gurgaon
Subject :NSO    Class : Class 5

Ans 1:

shyam narayan nayak from kendriya vidyalaya no-1 unit 9 BBSR, Bhubaneswar
Class : Class 5
MT ETNA of Italy is the worlds oldest active volcano.The first record of eruption dates back 1500 BC,ETNA has erupted 190 times....

Ans 2:

Animesh Mishra from DPS NORTH BANGALORE, BENGALURU
Class : Class 3
mt etna of italy. It emurted lava in AD69

Post Your Answer

Anil Bansal from ashiana public school, Chandigarh
Subject :NSO    Class : Class 4

Post Your Answer

A Andrew from Lalaji Memorial Omega International School, Chennai
Subject :NSO    Class : Class 4

Ans 1:

Anil Bansal from ashiana public school, Chandigarh
Class : Class 4
Schuler Skaats wheeler has invented fan. Nikunj Bansal

Post Your Answer

hridayanand shaw from Adamas International School, KOLKATA
Subject :NSO    Class : Class 5

Post Your Answer

Atulya tripathy from Delhi Public School, sector 45, Gurgaon
Subject :NSO    Class : Class 5

Post Your Answer

poorav kumar from dpsg ghaziabad, Ghaziabad
Subject :NSO    Class : Class 5

Post Your Answer

poorav kumar from dpsg ghaziabad, Ghaziabad
Subject :NSO    Class : Class 5

Ans 1:

DEVANSHI MALHOTRA from DPS Noida, Noida
Class : Class 5
We cannot walk on ice because of reduced frictional force.Ice is also very smooth. Smooth surfaces have reduced friction while rough surfaces have a lot of friction.Friction is also known as a necessary evil because it is very necessary in life but causes harm in form of wear and tear. It also produces heat. Some good examples of friction are: a) rubbing of hands b) ball stops after moving for a while Ice skaters have special blades for skating on ice. There skates have blades that cut the ice and make a strong grip to let them skate.

Ans 2:

poorav kumar from dpsg ghaziabad, Ghaziabad
Class : Class 5
absence of frictional force

Ans 3:

Abhimanyu from Indira National School , Pune
Class : Class 5
less friction

Ans 4:

Tanvi Ritisha Dash from delhi public school bangalore east, Bengaluru
Class : Class 6
We slip on ice because of less friction

Post Your Answer

poorav kumar from dpsg ghaziabad, Ghaziabad
Subject :NSO    Class : Class 5

Ans 1:

Satweek Pradhan from Pallavi Model School, Hyderabad
Class : Class 6
The pull of the Earth is called gravitational force. eg are the coming down of a ball

Ans 2:

Soundharya from ISWK, Muscat
Class : Class 8
A thrown up ball falling back to us.

Ans 3:

DEVANSHI MALHOTRA from DPS Noida, Noida
Class : Class 5
Whenever we throw a ball up in the air, it falls back to the ground . This is because of a force called gravitational force or gravity.This is the force in which all the objects are pulled towards the earth. Sir Isaac Newton was the first man to discover it.

Post Your Answer