Earth and the Sky (Class 2)

What this worksheet covers

This is a fifteen-question practice worksheet on earth and the sky for Class 2, written to the pattern of the SOF National Science Olympiad (NSO). It carries 18 marks and is designed to be attempted in 35 minutes, split across three sections — Day and Night, Land, Water and Sky and Achievers Section. Every question is multiple choice with exactly one correct option, and every one comes with a fully worked solution rather than just an answer key — so a child who gets one wrong can see where the reasoning went astray instead of only learning that it did.

Skills your child practises

• Applied problem-solving on earth and the sky at Class 2 level
• Working accurately against a time limit, as the real paper demands
• Day and Night questions in the olympiad format
• Land, Water and Sky questions in the olympiad format
• Achievers Section questions in the olympiad format
• Reading worked solutions to find the step that went wrong

How to use it

1. 1There are 15 questions. Answer all of them.
2. 2Each question has four choices — (A), (B), (C) and (D). Only one is correct.
3. 3Questions 1–12 carry 1 mark each. Questions 13–15 carry 2 marks each.
4. 4There is no negative marking. Look at every picture and table carefully.

Sample questions from this worksheet

A preview of what's inside Earth and the Sky (Class 2) — the PDF has the full set, and every question comes with a worked solution like these.

1. 1. The sun gives us _______.

   • ALight and heatcorrect
   • BRain
   • CWind only
   • DSoil
   Solution: The sun gives us light and heat. Without it there would be no day, no warmth and no plants.

2. 2. Why do we have day and night?

   • ABecause the sun switches off at night
   • BBecause the earth spins, so only the half facing the sun has daycorrect
   • CBecause clouds cover the sun
   • DBecause the moon hides the sun every night
   Solution: The earth keeps spinning like a top. Sunlight can fall on only one half of it at a time, so only the half facing the sun has day while the other half has night. One full spin takes 24 hours.

3. 3. When it is day time in India, it is night time on the other side of the earth. Why?

   • ABecause the earth is round and only the half facing the sun gets lightcorrect
   • BBecause the sun moves away
   • CBecause the other side has more clouds
   • DBecause the moon blocks the sun there
   Solution: Since the earth is a ball, sunlight reaches only the half turned towards the sun. So while that half has day, the half turned away has night. As the earth spins, the two halves swap over.