Daily Practice · GCSE Science

Daily Practice - GCSE Science

15th April 1996

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 is melting described as a physical change?
3
Particle Motion, Gas Pressure and Temperature
How is the temperature of a gas related to the motion of its molecules?
4
Atomic Structure
What happens inside the nucleus when a beta particle is emitted?
5
Atomic Structure and the Development of the Model
What observation showed the nucleus is positively charged and very small?

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