Daily Practice

GCSE Science

15th August 1991

5 questions · GCSE · 584 questions in this band

1
Atomic Structure
What is an alpha particle made of?
2
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?
3
Radioactivity, Half-Life and Nuclear Uses
Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
4
Forces
State whether friction is a contact force or a non-contact force.
5
Motion: Speed, Velocity and Acceleration
On a velocity-time graph, what does the area between the line and the time axis represent?

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