Worksheet - Science Class 7th Sub-Science

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Questions and Answers

What is a natural indicator?

Turmeric

Which salt is used in the purification of water?

Alum

What is the thermometer used to measure body temperature?

Clinical thermometer

What is the process through which oil is heated?

<p>Frying</p> Signup and view all the answers

What device is used to hatch silk eggs?

<p>Incubator</p> Signup and view all the answers

Flashcards

Natural Indicator

A substance that changes color in response to pH levels, example: turmeric.

Alum

A type of salt used in water purification processes to remove impurities.

Clinical Thermometer

A thermometer specifically designed to measure human body temperature accurately.

Frying

A cooking process where food is immersed in hot oil or fat.

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Incubator

A controlled environment device used to hatch eggs, including silk eggs.

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