AQA GCSE Physics - Topic 1: Energy

Flashcards covering key concepts from AQA GCSE Physics on the topic of Energy, including definitions, formulas, and comparisons between energy types.

The formula for calculating Kinetic Energy is __.

Ek = 1/2 mv²

In the equation for Gravitational Potential Energy, Ep = mgh, 'g' represents __.

gravitational field strength in N/kg

Specific Heat Capacity is defined as the energy required to raise the temperature of of a substance by .

1 kg; 1°C or 1K

Power is defined as the rate at which is transferred or the rate at which is done.

energy; work

In the equation for efficiency, efficiency = useful energy output energy input, expressed as a .

total; percentage

Renewable energy sources can be replenished, while __ energy sources are used more for large-scale energy supplies due to high energy output.

non-renewable

The type of energy stored in a spring when it is stretched is called __.

elastic potential energy

Reducing waste energy in a system can be achieved by using and .

lubrication; thermal insulation

The energy transfer of 1 joule per second is equal to a power of __.

1 watt

The environmental impact of fossil fuel extraction includes and .

destroying landscapes; releasing harmful emissions