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Maharashtra State BoardSSC (English Medium) 7th Standard

Balbharati solutions for General Science [English] 7 Standard chapter 9 - Heat [Latest edition]

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Balbharati solutions for General Science [English] 7 Standard chapter 9 - Heat - Shaalaa.com
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Solutions for Chapter 9: Heat

Below listed, you can find solutions for Chapter 9 of Maharashtra State Board Balbharati for General Science [English] 7 Standard.


Exercise
Exercise [Page 63]

Balbharati solutions for General Science [English] 7 Standard 9 Heat Exercise [Page 63]

Exercise | Q 1.1 | Page 63

Maximum heat is absorbed by a ______ coloured object.

  • radiation

  • white

  • conduction

  • blue

  • convection

  • bad conductor

  • good conductor

  • black

  • reflection

Exercise | Q 1.2 | Page 63

______ of heat does not require a medium.

  • radiation

  • white

  • conduction

  • blue

  • convection

  • bad conductor

  • good conductor

  • black

  • reflection

Exercise | Q 1.3 | Page 63

Conduction of heat takes place through a ______ substance.

  • Radiation

  • White

  • Conduction

  • Blue

  • Convection

  • Bad conductor

  • Good conductor

  • Black

  • Reflection

Exercise | Q 1.4 | Page 63

The shining surface in a thermos flask decreases the outgoing heat by ______.

  • radiation

  • white

  • conduction

  • blue

  • convection

  • bad conductor

  • good conductor

  • black

  • reflection

Exercise | Q 1.5 | Page 63

Cooking utensils are made from metals due to their property of ______.

  • radiation

  • white

  • conduction

  • blue

  • convection

  • bad conductor

  • good conductor

  • black

  • reflection

Exercise | Q 1.6 | Page 63

The earth receives heat from the sun by ______.

  • radiation

  • white

  • conduction

  • blue

  • convection

  • bad conductor

  • good conductor

  • black

  • reflection

Exercise | Q 2.01 | Page 63

What will absorb heat?

Steel spoon

  • Will absorb heat

  • Will not absorb heat

Exercise | Q 2.02 | Page 63

What will absorb heat?

Wooden board

  • Will absorb heat

  • Will not absorb heat

Exercise | Q 2.03 | Page 63

What will absorb heat?

Glass vessel

  • Will absorb heat

  • Will not absorb heat

Exercise | Q 2.04 | Page 63

What will absorb heat?

Iron griddle (tava)

  • Will absorb heat

  • Will not absorb heat

Exercise | Q 2.05 | Page 63

What will absorb heat?

Glass

  • Will absorb heat

  • Will not absorb heat

Exercise | Q 2.06 | Page 63

What will absorb heat?

Wooden spoon

  • Will absorb heat

  • Will not absorb heat

Exercise | Q 2.07 | Page 63

What will absorb heat?

Plastic plate

  • Will absorb heat

  • Will not absorb heat

Exercise | Q 2.08 | Page 63

What will absorb heat?

Soil

  • Will absorb heat

  • Will not absorb heat

Exercise | Q 2.09 | Page 63

What will absorb heat?

Water

  • Will absorb heat

  • Will not absorb heat

Exercise | Q 2.1 | Page 63

What will absorb heat?

Wax

  • Will absorb heat

  • Will not absorb heat

Exercise | Q 3.1 | Page 63

How does a fever get lowered by putting a cold compress on the forehead of a patient?

Exercise | Q 3.2 | Page 63

Why are the houses in Rajasthan painted white? 

Exercise | Q 3.3 | Page 63

What are the modes of heat transfer?

Exercise | Q 3.4 | Page 63

Explain which mode of heat transfer causes sea breezes and land breezes.

Exercise | Q 3.5 | Page 63

Why is the outer coat of the penguins of Antarctica black?

Exercise | Q 3.6 | Page 63

Why are heaters fitted near the floor and air conditioners near the ceiling of a room?

Exercise | Q 4.1 | Page 63

Give scientific reason.

An ordinary glass bottle cracks when boiling water is poured into it, but a borosil glass bottle does not.

Exercise | Q 4.2 | Page 63

Give scientific reason.

The telephone wires which sag in summer become straight in winter.

Exercise | Q 4.3 | Page 63

Give scientific reason.

Dew drops form on the grass in winter.

Exercise | Q 4.4 | Page 63

Give a scientific reason.

In winter, why does an iron pillar feel colder than a wooden pole?

Solutions for 9: Heat

Exercise
Balbharati solutions for General Science [English] 7 Standard chapter 9 - Heat - Shaalaa.com

Balbharati solutions for General Science [English] 7 Standard chapter 9 - Heat

Shaalaa.com has the Maharashtra State Board Mathematics General Science [English] 7 Standard Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Balbharati solutions for Mathematics General Science [English] 7 Standard Maharashtra State Board 9 (Heat) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Balbharati textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in General Science [English] 7 Standard chapter 9 Heat are Heat and Its Unit, Transfer of Heat, Thermos Flask (Dewar Flask), Conduction, Convection, Radiation, Expansion and contraction of a solid substance due to heat, Expansion and contraction of liquids due to heat, Expansion and contraction of gases due to heat.

Using Balbharati General Science [English] 7 Standard solutions Heat exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Balbharati Solutions are essential questions that can be asked in the final exam. Maximum Maharashtra State Board General Science [English] 7 Standard students prefer Balbharati Textbook Solutions to score more in exams.

Get the free view of Chapter 9, Heat General Science [English] 7 Standard additional questions for Mathematics General Science [English] 7 Standard Maharashtra State Board, and you can use Shaalaa.com to keep it handy for your exam preparation.

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