Daily Practice

GCSE Science

12th April 1993

5 questions · GCSE · 584 questions in this band

1
Mains Electricity, Power and Energy
What is the difference between alternating and direct current?
2
Particle Model of Matter
State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
3
Density and the Particle Model of Matter
State the equation for density.
4
Particle Motion, Gas Pressure and Temperature
Why does a bicycle pump get warm when used?
5
Atomic Structure
Define half-life.

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