Curriculum
Course: Igcse Physics
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Curriculum

Igcse Physics

1. Motion, Forces and Energy

0/161 Dr Dabour Hub Science Diagram and Course Material

2. Thermal Physics

0/75 Dr Dabour Hub Science Diagram and Course Material

3. Waves

0/77 Dr Dabour Hub Science Diagram and Course Material

4. Electricity and Magnetism

0/119 Dr Dabour Hub Science Diagram and Course Material

5. Nuclear Physics

0/39 Dr Dabour Hub Science Diagram and Course Material

6. Space Physics

0/47 Dr Dabour Hub Science Diagram and Course Material
Quiz

2.3.2 Thermal Conduction – Check yourself

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1.
Which particles are mainly responsible for fast conduction in metals?
molecules
protons
free electrons
neutrons
2.
How does energy travel through a non-metal solid?
By free electrons
By particle vibrations passed on by collisions
By convection
By radiation only
3.
Why is trapped air a good insulator?
It is a poor conductor and cannot circulate
It is hot
It is dense
It has free electrons
4.
A wall is replaced by one of the same material but twice as thick. The rate of energy transfer becomes
unchanged
four times
double
half
5.
Which one is a poor conductor?
aluminium
iron
polystyrene
copper
6.
Which statement is true of conduction?
Material flows from hot to cold
Energy is transferred without bulk movement of the material
It needs a vacuum
It only occurs in gases
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