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Standard VIII

Physics

Temperature Scales

If someone as...

Question

If someone asks you to determine how hot the day is today, what you will measure to answer that question?

Pressure

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Temperature

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Speed

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Distance

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Solution

The correct option is B
Temperature

We need to measure the temperature of day, to be able to determine how hot the day was. Temperature tells you the exactly how hot or cold an object is. Temperature tells you that degree or intensity of heat present in an object. Several scales and units exist for measuring temperature, the most common being Celsius (denoted $^{\circ} C$ ),Fahrenheit (denoted $^{\circ} F$ ), and, especially in science, Kelvin (denoted K).For example: Water boils at $100^{\circ} C$

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Similar questions

Reported questions

Study these sentences:

• His friend asked, “Did you see the snake the next day, doctor?”

His friend asked the doctor whether/if he had seen the snake the next day.

• The little girl wondered, “Will I be home before the TV show begins?”

The little girl wondered if/whether she would be home before the TV show began.

• Someone asked, “Why has the thief left the vest behind?”

Someone asked why the thief had left the vest behind.

The words if/whether are used to report questions which begin with: do, will, can, have, are etc. These questions can be answered ‘yes’ or ‘no’.

Questions beginning with why/when/where/how/which/what are reported using these same words.

The reporting verbs we use in questions with if/whether/why/when etc. are: ask, inquire and wonder.

Remember that in reported speech,

• the present tense changes to past tense

• here, today, tomorrow, yesterday etc. change to there, that day, the next day, the day before, etc.

• I/you change to me/him/he, etc., as necessary.

Example: • He said to me, “I don’t believe you.”

He said he did not believe me.

• She said to him, ‘I don’t believe you.’

She told him that she did not believe him.

Report these questions using if/whether or why/when/where/how/which/what.

Remember the italicised verbs change into the past tense.

1. Meena asked her friend, “Do you think your teacher will come today?”

2. David asked his colleague, “Where will you go this summer?”

3. He asked the little boy, “Why are you studying English?”

4. She asked me, “When are we going to leave?”

5. Pran asked me, “Have you finished reading the newspaper?”

6. Seema asked her, “How long have you lived here?”

7. Sheila asked the children “Are you ready to do the work?”

Q. What do you do
• when someone troubles you?
• when you are angry?
• when you don’t want to share?
• when someone asks you for a pencil?

Q. Children are happy today. They are celebrating Children's Day. Each child will be given 4 coloured pencils from school. The school has got 969 pencils. To find out how many children can get pencils the teacher asks them to divide.

Complete Iru's and Sreeni's way of division. What is the answer you get?

Question 9

Why could you not use an elastic measuring tape to measure distance? What would be some of the problems you would meet in telling someone about a distance you measured with an elastic tape?

You ask someone to say a (natural) number less than 10. What is the probability that the number is a prime? What is the number asked is to be less than 100?

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