Daily Practice · GCSE Science

Daily Practice - GCSE Science

4th August 1997

5 questions · GCSE · 584 questions in this band

1
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?
2
Atomic Structure
What is an alpha particle made of?
3
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?
4
Radioactivity, Half-Life and Nuclear Uses
Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
5
Forces
A box has a driving force of 250 N forward and friction of 180 N backward. Calculate the resultant force, including its direction.

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