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Daily Practice

GCSE Science

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19th February 1990

5 questions · GCSE · 584 questions in this band

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  1. 1
    Mains Electricity, Power and Energy

    What is the difference between alternating and direct current?

  2. 2
    Particle Model of Matter

    Calculate the energy needed to melt 0.50 kg of a substance with a specific latent heat of fusion of 210000 J/kg.

  3. 3
    Density and the Particle Model of Matter

    State the equation for density.

  4. 4
    Particle Motion, Gas Pressure and Temperature

    Why does a bicycle pump get warm when used?

  5. 5
    Atomic Structure

    Define half-life.

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