Daily Practice

GCSE Science

31st March 1992

5 questions · GCSE · 584 questions in this band

1
Particle Model of Matter
A 1.5 kg block of iron is heated from 18 degrees C to 98 degrees C. The specific heat capacity of iron is 450 J/(kg degrees C). Calculate the change in thermal energy.
2
Density and the Particle Model of Matter
Why does the temperature stay constant while a substance boils?
3
Particle Motion, Gas Pressure and Temperature
Why does reducing the volume of a gas increase the pressure even though the molecules do not speed up?
4
Atomic Structure
What is an alpha particle made of?
5
Atomic Structure and the Development of the Model
Who provided the evidence for the existence of the neutron, and roughly when relative to the nuclear model?

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