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Heat — Flashcards

ICSE · Class 7 · Physics

33 flashcards for Heat (ICSE Class 7 Physics) to test yourself on key terms and facts. Sample: "State the definition of heat."

45 questions33 flashcards14 formulas & key relations5 concepts

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An infographic comparing and illustrating the behavior of different types of solid materials (elastic, plastic, ductile, brittle, malleable) under applied stress, showing their deformation and fractur
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33 Flashcards·
Heat and TemperatureUnits of HeatTemperature Scales
Card 1Heat and Temperature

State the definition of heat.

Answer

Heat is a form of energy which flows from a hot body to a cold body when they are kept in contact. The flow continues until both bodies reach the same temperature.

Card 2Heat and Temperature

State the definition of temperature.

Answer

Temperature is a quantity which tells us the degree of hotness or coldness of a body. It rises when a body is heated and falls when a body is cooled.

Card 3Units of Heat

What is the SI unit of heat? Name the other common units.

Answer

The SI unit of heat is joule (J). The other common units are calorie (cal) and kilocalorie (kcal).

Card 4Units of Heat

How many calories are in 1 kilocalorie?

Answer

Formula: 1 kcal = 1000 cal. This means 1 kilocalorie is equal to 1000 calories.

Card 5Units of Heat

Convert 5 kcal into cal.

Answer

Given: 5 kcal Find: calories Formula: 1 kcal = 1000 cal Solution: 5 kcal = 5 × 1000 cal = 5000 cal Answer: 5000 cal…

Card 6Units of Heat

How many joules are equal to 1 calorie?

Answer

Formula: 1 cal = 4.2 J (nearly). Also, 1 J = 0.24 cal. This is used to change heat units between calorie and joule.

Card 7Units of Heat

Convert 10 cal into joules.

Answer

Given: 10 cal Find: joules Formula: 1 cal = 4.2 J Solution: 10 cal = 10 × 4.2 J = 42 J Answer: 42 J…

Card 8Temperature Scales

State the SI unit of temperature.

Answer

The SI unit of temperature is kelvin (K). The symbol is written simply as K, not as °K.

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Frequently 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.
How many flashcards are available for Heat?
There are 33 flashcards for Heat covering key definitions, facts and ideas. A few sample cards are shown 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.

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