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Chapters
2: Plants: Structure and Function
3: Properties of Natural Resources
4: Nutrition in Living Organisms
5: Food Safety
6: Measurement of Physical Quantities
7: Motion, Force and Work
8: Static Electricity
▶ 9: Heat
10: Disaster Management
11: Cell Structure and Micro-organisms
12: The Muscular System and Digestive System in Human Beings
13: Changes – Physical and Chemical
14: Elements, Compounds and Mixtures
15: Materials We Use
16: Natural Resources
17: Effects of Light
18: Sound: Production of Sound
19: Properties of a Magnetic Field
20: In the World of Stars
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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.
Balbharati solutions for General Science [English] 7 Standard 9 Heat Exercise [Page 63]
Maximum heat is absorbed by a ______ coloured object.
radiation
white
conduction
blue
convection
bad conductor
good conductor
black
reflection
______ of heat does not require a medium.
radiation
white
conduction
blue
convection
bad conductor
good conductor
black
reflection
Conduction of heat takes place through a ______ substance.
Radiation
White
Conduction
Blue
Convection
Bad conductor
Good conductor
Black
Reflection
The shining surface in a thermos flask decreases the outgoing heat by ______.
radiation
white
conduction
blue
convection
bad conductor
good conductor
black
reflection
Cooking utensils are made from metals due to their property of ______.
radiation
white
conduction
blue
convection
bad conductor
good conductor
black
reflection
The earth receives heat from the sun by ______.
radiation
white
conduction
blue
convection
bad conductor
good conductor
black
reflection
What will absorb heat?
Steel spoon
Will absorb heat
Will not absorb heat
What will absorb heat?
Wooden board
Will absorb heat
Will not absorb heat
What will absorb heat?
Glass vessel
Will absorb heat
Will not absorb heat
What will absorb heat?
Iron griddle (tava)
Will absorb heat
Will not absorb heat
What will absorb heat?
Glass
Will absorb heat
Will not absorb heat
What will absorb heat?
Wooden spoon
Will absorb heat
Will not absorb heat
What will absorb heat?
Plastic plate
Will absorb heat
Will not absorb heat
What will absorb heat?
Soil
Will absorb heat
Will not absorb heat
What will absorb heat?
Water
Will absorb heat
Will not absorb heat
What will absorb heat?
Wax
Will absorb heat
Will not absorb heat
How does a fever get lowered by putting a cold compress on the forehead of a patient?
Why are the houses in Rajasthan painted white?
What are the modes of heat transfer?
Explain which mode of heat transfer causes sea breezes and land breezes.
Why is the outer coat of the penguins of Antarctica black?
Why are heaters fitted near the floor and air conditioners near the ceiling of a room?
Give scientific reason.
An ordinary glass bottle cracks when boiling water is poured into it, but a borosil glass bottle does not.
Give scientific reason.
The telephone wires which sag in summer become straight in winter.
Give scientific reason.
Dew drops form on the grass in winter.
Give a scientific reason.
In winter, why does an iron pillar feel colder than a wooden pole?
Solutions for 9: Heat
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.