SEBA Class 7 Science Important Chapter 4 Heat

SEBA Class 7 Science Important Chapter 4 Heat Solutions English Medium As Per SEBA New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters SEBA Class 7 General Science Additional Solutions and select need one. SCERT Important Solutions For Class 7 General Science Download PDF. Important Notes for Class 7 Science SCERT.

SEBA Class 7 Science Important Chapter 4 Heat

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Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. Assam SEBA Board Class 7 Science Additional Question Answer are part of All Subject Solutions. Here we have given SCERT Class 7 General Science Important Notes for All Chapters, You can practice these here.

Chapter: 4

IMPORTANT QUESTION ANSWER

A. Short Type Questions & Answers:

1. What is the normal temperature of the human body?

Ans: 37°C.

2. Name the thermometer used to measure human body temperature.

Ans: Clinical thermometer.

3. Why should we not touch very hot objects?

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Ans: Because they can burn our skin and cause injuries.

4. What is the range of a clinical thermometer?

Ans: 35°C to 42°C.

5. What is the function of the kink in a clinical thermometer?

Ans: It prevents the mercury level from falling on its own.

6. Why is mercury used in thermometers?

Ans: Because it is a good conductor of heat and expands uniformly.

7. What is the mode of heat transfer in solids?

Ans: Conduction.

8. Which method of heat transfer does not require any medium?

Ans: Radiation.

9. Why are woollen clothes worn in winter?

Ans: Wool traps air and prevents heat loss from the body.

10. Which surfaces absorb more heat — dark or light?

Ans: Dark surfaces.

B. Fill in the Blanks:

1. The clinical thermometer has a range of ________ to ________.

Ans: 35°C to 42°C

2. The heat from the sun reaches the Earth through ________.

Ans: Radiation.

3. Wool is a ________ conductor of heat.

Ans: Poor.

4. Materials that allow heat to pass through easily are called ________.

Ans: Conductors.

5. The thermometer used in laboratories can measure temperature up to ________.

Ans: 110°C

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