National Science Olympiad Forum By SOF Olympiad Trainer - Page 239
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Vedang Amonkar from Dr K B Hedgewar High School, Panaji
Subject :NSO    Class : Class 6

Match column I with column II and select the correct option from the codes given below.

Column I Column II
(A) Floods (i) Aquifers
(B) Groundwater (ii) Salt water
(C) Ocean (iii) Rain
(D) Precipitation (iv) Dirt and water vapour
(E) Clouds (v) Excess rain


A (A) - (i), (B) - (ii), (C) - (iii), (D) - (iv), (E) - (v)
B (A) - (v), (B) - (i), (C) - (ii), (D) - (iii), (E) - (iv)
C (A) - (i), (B) - (v), (C) - (iii), (D) - (ii), (E) - (iv)
D (A) - (v), (B) - (i), (C) - (iii), (D) - (ii), (E) - (iv)


Post Your Answer

vedant from TSRS Aravalli, Gurgaon
Subject :NSO    Class : Class 4

Post Your Answer

Priyesh Sharma from Brain International School , Delhi
Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A

For the identical bulbs , the brightness of the bulbs depend upon the current flowing through them or the potential difference across them.

In the given circuit when the switch S is closed , due to parallel combination of bulbs B and C net resistance of the circuit decreases and hence the current through bulb A increases.While the current is divided between bulbs B and C .

Therefore the brightness of bulb A  increases , B decreases and bulb C starts glowing.


Post Your Answer

Devina kashyap from TPS, Mumbai
Subject :NSO    Class : Class 5

Ans 1:

pranavramesh from sri chaitanya techno school, Chennai
Class : Class 6
answer is d only because ice is is heavier than water

Post Your Answer

Ishaan Ahuja from TSMS, Noida
Subject :NSO    Class : Class 5

Ans 1:

Rishikesh KM from ekya school jp nagar, Bangalore
Class : Class 5

Ans 2:

Rishikesh KM from ekya school jp nagar, Bangalore
Class : Class 5
What if Q is a bat?

Ans 3:

Kashvi Rawat from Gear Innovative International School, Bengaluru
Class : Class 3
Q could be bat too!

Ans 4:

Devina kashyap from TPS, Mumbai
Class : Class 4
exactlyyyyyy!!!!!! Q can be a bat to

Ans 5:

Ishan sandip chaudhari from Divine Child International School, Ahmedabad
Class : Class 5
WHAT IF Q IS A BAT??????

Post Your Answer

Ishaan Ahuja from TSMS, Noida
Subject :NSO    Class : Class 5

Post Your Answer

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Subject :NSO    Class : Class 7

Train P travels with a speed of 80 km h–1 from Hyderabad to Bangalore. Another train Q travels from Hyderabad to Bangalore with a speed of 75 km h–1.Which of the following statements is true?

ATrains P and Q have different speeds and different velocities.
BTrains P and Q have same velocity but different speeds.
CTrains P and Q have the same velocity as they are travelling in the same direction.
DTrains P and Q have same speed but different velocities.


A

Post Your Answer

Avyukth Radhakrishnan from TSRS, Gurgaon
Subject :NSO    Class : Class 8

Ans 1:

Student from School, City
Class : Class 5
B

Post Your Answer

Hitanshi Behera from Loyola School , Bhubaneswar
Subject :NSO    Class : Class 4

Ans 1:

VAIBHAV DINESH from Christ Nagar HSS, TRIVANDRUM
Class : Class 4

Ans 2:

Rahul from Cambridge school, noida
Class : Class 4
Let’s get started. https://strekatilo294.com If you do, you agree with George Herbert’s famous aphorism from his book, Outlandish Proverbs. This quote originated from Thomas Howell in New Sonnets and Pretty Pamphlets. But Yoda isn’t having it. Napoleon Bonaparte could relate. It’s easier to do it yourself rather than try to explain it to someone else. Now you might be asking. So my advice. How do aphorisms differ from adages and proverbs. Early to bed and early to rise makes a man healthy, wealthy, and wise. It reminds us to take precautionary measures, so we don’t end up with bad results. He knows that Luke should either decide that he can do it or decide to quit. Washington also said, It is better to offer no excuse than a bad one. Shifting gears a little, let’s talk about one of the world’s greatest aphorists – Benjamin Franklin. Not good. Build a storyline around that saying.

Ans 3:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
Whеn lооking fоr wise words, the best onеs often comе from оur еlders.

Ans 4:

Abhigyan jha from K V DRDO, Bangalore
Class : Class 7
The answer is C

Post Your Answer

Ishir Jha from Gyan Ganga Global Academy, Rosera
Subject :NSO    Class : Class 6

Read the given statements and state (T) for true and (F) for false ones.
I. Chalk powder mixed in wheat flour can be separated by sieving.
II. The solubility of a solute at a particular temperature cannot be increased by stirring.
III. The process of pouring out the clear upper liquid without disturbing the sediment is called sedimentation.
IV. Muddy water can be cleared faster using the method of loading.
V. Separating funnel is used to separate two miscible liquids.

  I II III IV V
A (F) (T) (T) (F) (F)
B (T) (T) (F) (T) (F)
C (F) (T) (F) (T) (F)
D (F) (T) (F) (F) (T)


This is wrong. The internet says that wheat flour can be separated from chalk powder by sieving. So answer will be B

Ans 1:

mystic bro7pro from arbor school, Hyderabad
Class : Class 5
Answer not given

Post Your Answer