Notes: Time

# Notes: Time - Social Science for Class 2

### Day and Night

The Earth receives light from the sun. As the Earth is like a sphere and it keeps rotating, the Sun lights up only that half of the Earth which faces it. The other half remains in darkness. The part of the Earth that faces the Sun has day. The other half, which is in darkness, has night. The period of time from sunrise to sunset in a given place, is called a day. The period of time from sunset to sunrise in a given place is called a night. A day and the following night together make a complete day.
Day and Night on the Earth

### Clocks and Watches

We use clocks and watches to know the time. Take a look at the clock shown alongside.
The clock has three hands. The short hand tells the hours. The long hand tells the minutes. The long and thin hand denotes seconds.
A clock has numbers from one to twelve. As time goes by, the hands on the clock move from one number to another number. A complete day has 24 hours.
As the clock has only 12 segments, it moves twice over to show 24 hours. Time before 12 noon is AM and time after 12 noon is PM. Each hour has 60 minutes. Each minute has 60 seconds.

### Days, Months and Years

There are 7 days in a week. Every day has a name. They are Sunday, Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are 30 or 31 days in a month. Every month has a name too. In February, there may be 28 or 29 days.

The Earth moves around the sun, this movement is called a revolution. The time taken by the Earth to complete its one  revolution around the sun is called a year. There are 12 months in a year. The names of the months are January, February, March, April, May, June, July, August, September, October, November and December. A year has 365 or 366 days. A year with 366 days is known as a Leap Year.

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## Social Science for Class 2

5 videos|75 docs|30 tests

## FAQs on Notes: Time - Social Science for Class 2

 1. What is the duration of the IELTS exam?
Ans. The IELTS exam duration is approximately 2 hours and 45 minutes. The Listening, Reading, and Writing sections are conducted consecutively, while the Speaking section is held separately, usually on the same day or within a week of the other sections.
 2. How is the IELTS exam scored?
Ans. The IELTS exam is scored on a 9-band scale. Each section, namely Listening, Reading, Writing, and Speaking, receives a band score, and these scores are averaged to calculate an overall band score. The band scores range from 0 to 9, with 9 being the highest proficiency level.
 3. Can I use a pen during the IELTS exam?
Ans. No, you are not allowed to use a pen during the IELTS exam. The Listening and Reading sections require you to use a pencil to mark your answers on the answer sheet. The Writing section also requires a pencil for planning and making notes, but you must use a pen to write your final answers.
 4. Is there a time limit for each section of the IELTS exam?
Ans. Yes, there is a specific time limit for each section of the IELTS exam. The Listening section has 30 minutes for answering questions, and an additional 10 minutes are given to transfer answers to the answer sheet. The Reading section has 60 minutes to complete the questions. The Writing section has 60 minutes to complete two tasks, and the Speaking section is typically around 11-14 minutes long.
 5. Can I bring a watch to the IELTS exam?
Ans. No, it is generally not allowed to bring a watch to the IELTS exam. The exam venue will have a clock visible to all candidates, and the invigilator will announce the time at regular intervals during the exam. Bringing a watch may raise concerns of potential cheating or distractions, so it is best to rely on the provided timekeeping arrangements.

## Social Science for Class 2

5 videos|75 docs|30 tests

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