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Science
Class 7

ICSE · Class 7 · Physics

Energy

Chapter VII-T3CISCE · Classes VI–VIII

3 worlds for this chapter.

Topics

Energy
- Energy as capacity to do work
- Joule and calorie
- Forms and interconversion of energy
- Law of conservation of energy

Learning objectives

Trace energy conversions in an everyday device.

Worlds

Places to explore freely · 3 worlds

WorldWind & Solar EnergyDouble the wind on a real 2 MW turbine and get eight times the power, then tilt and track solar panels at 23°N
WorldConservation of EnergyLet a coaster go from the top of its lift: height turns into speed, friction takes its cut, the loop asks for √(gr)
WorldFree Fall & Air ResistanceRace a hammer and a feather through a vacuum, then ride a 45 m drop tower until the air stops you speeding up

Practice

Questions for Class 7 Physics, with worked answers, on screen or as a printed paper.

Open the question bank

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