Chapter 5 of 7
Concept Maps
Heat — Concept Maps
ICSE · Class 7 · Physics
4 concept maps of Heat for ICSE Class 7 Physics, each also written out as a text outline. Part of the ICSE Class 7 Physics syllabus.
45 questions33 flashcards14 formulas & key relations5 concepts
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4 Concept Maps
Heat - Comprehensive Concept Map
The map in words
- Heat
- Definition and Concept
- Form of energy
- Flows hot to cold
- Units: Joule, Calorie
- Temperature
- Measure of hotness
- Celsius scale
- Fahrenheit scale
- Kelvin scale
- Temperature conversion
- Effects of Heat
- Change in temperature
- Change in size
- Linear expansion
- Volumetric expansion
- Change in state
- Melting and freezing
- Boiling and condensation
- Sublimation and deposition
- Heat Transfer Modes
- Conduction
- Through solids
- Molecule to molecule
- Requires medium
- Convection
- Through liquids and gases
- Bulk movement
- Requires medium
- Radiation
- Electromagnetic waves
- No medium needed
- Works in vacuum
- Conduction
- Materials
- Conductors of heat
- Metals
- Silver, copper, iron
- Insulators of heat
- Wood, plastic, glass
- Trapped air
- Conductors of heat
- Real-world Applications
- Thermos flask
- Railway tracks expansion
- Cooking utensils
- Clothing choices
- Building ventilation
- Definition and Concept
Chapter Heat – Complete Concept Map
The map in words
- HEAT
- Heat as Energy
- Form of energy
- Flows hot to cold
- Internal energy of molecules
- Units
- Joule SI unit
- Calorie
- Kilocalorie
- 1 cal = 4.2 J
- Temperature
- Degree of hotness
- Celsius Scale
- Ice point 0 C
- Steam point 100 C
- 100 divisions
- Fahrenheit Scale
- Ice point 32 F
- Steam point 212 F
- 180 divisions
- Kelvin Scale
- Ice point 273 K
- Steam point 373 K
- No negatives
- Absolute zero 0 K
- Effects of Heat
- Change in Temperature
- Change in Size
- Thermal Expansion
- Solids expand all directions
- Liquids expand in volume
- Gases expand most
- Change in State
- Melting
- Freezing
- Boiling
- Condensation
- Sublimation
- Evaporation
- Latent Heat
- Conductors and Insulators
- Conductors
- All metals
- Mercury
- Silver is best
- Insulators
- Wood plastic rubber
- Still air
- Cotton wool
- Conductors
- Modes of Heat Transfer
- Conduction
- Mainly in solids
- Molecule to molecule
- Medium needed
- Convection
- Liquids and gases
- Actual movement
- Vertical upward
- Radiation
- No medium needed
- Vacuum possible
- Speed of light
- Conduction
- Thermos Flask
- Vacuum prevents conduction convection
- Shiny walls reduce radiation
- Cork stopper insulates top
- Heat as Energy
Heat Chapter - Complete Concept Map
The map in words
- HEAT Form of Energy
- Definition and Units
- Heat is energy flow
- SI unit: Joule
- Other units: Calorie
- 1 cal = 4.2 J
- Temperature
- Degree of hotness
- Measurement: Thermometer
- Three scales
- Celsius
- Fahrenheit
- Kelvin
- Conversions
- Effects of Heat
- Change in Temperature
- Temperature rise
- Temperature fall
- Thermal Expansion
- Linear expansion
- Superficial expansion
- Cubical expansion
- Water exception
- Change of State
- Melting and Freezing
- Boiling and Condensation
- Sublimation and Deposition
- Evaporation
- Latent heat
- Change in Temperature
- Heat Transfer Modes
- Conduction
- Through solids mainly
- Direct contact
- Molecule to molecule
- Requires medium
- Convection
- In liquids and gases
- Mass movement
- Convection currents
- Requires medium
- Radiation
- No medium needed
- Travels in vacuum
- Speed of light
- Electromagnetic waves
- Conduction
- Conductors and Insulators
- Conductors
- All metals
- Allow heat to pass
- Silver, Copper, Iron
- Insulators
- Wood, Plastic, Glass
- Poor conductors
- Trapped air
- Applications
- Cooking pans
- Pan handles
- Winter clothes
- Building insulation
- Conductors
- Practical Applications
- Thermos Flask
- Vacuum insulation
- Shiny surfaces
- Cork stopper
- Daily Life Examples
- Clothing selection
- Kitchen design
- Building construction
- Transportation safety
- Thermos Flask
- Definition and Units
Heat as a form of energy and its effects and transfer
The map in words
- Heat as a form of energy and its effects and transfer
- Heat as energy
- Temperature
- Units of heat
- Units and scales of temperature
- Mercury thermometer
- Effects of heat
- Thermal expansion
- Change of state
Explore these maps interactively
Explore DiagramsFrequently Asked Questions
What are the important topics in Heat for ICSE Class 7 Physics?
Key topics in Heat include Heat, Temperature, and Units, Thermometer and Temperature Scales, Effects of Heat, Change of State and Latent Heat. Study these first, then practise questions on each for Class 7 exams.
What do the concept maps for Heat show?
The 4 maps show how the ideas in Heat connect: Heat - Comprehensive Concept Map; Chapter Heat – Complete Concept Map. Each map is also written out as an outline on this page.
How should I revise Heat for Class 7 exams?
Learn the core ideas first, then work through the 45 practice questions on Heat. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Heat
Practice Quiz
Test yourself with a quick quiz
Important Questions
Exam-style questions with answers
Revision Notes
Key points for last-minute revision
Formula Sheet
The chapter's formulas in one place
Chapter Summary
Understand the chapter at a glance
Study Plan
Step-by-step plan for this chapter
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
For serious students
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