Living things such as plants and animals breathe. Breathing is the process of taking in and giving out the air. We breathe in oxygen and breathe out carbon dioxide through our nose. The nose, lungs and windpipe are respiratory organs involved in this process.

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A thermometer measures the temperature in degree

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Important Questions on Blow Hot, Blow Cold

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

Define or explain the temperature.

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

Water vapour mixes with the _____.

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

Standard unit of temperature is

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

Choose the right word and fill in the blank provided below.

When water vapour cools down it forms _____. (water, ice)

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

Which of these does temperature tell us?

HARD

Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

Can humans breathe underwater? Why?

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

Butterfly and cockroaches breathe through air holes in their body called _____.

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

Water vapour is a liquid.

MEDIUM

Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

Why do substances contract on cooling? Give one example of contraction.

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

While breathing, we take in _____.

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

Fill in the blank using the right word:
Animals need food to eat and _____ to breathe. (carbon dioxide/oxygen)

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

Give two examples of animals that breathe through their nose.

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

_____ is formed when we heat water.

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

What is temperature? How is it measured?

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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Temperature and Objects

Your lungs are like balloons that show expansion and contraction. Given below are two pictures showing the expansion and contraction of the lungs. Can you tell during which activity of breathing do they expand or contract?

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