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

2.2.4 Melting and Boiling – Check yourself

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1.
During melting of a pure solid at its melting point, the temperature
stays constant
rises then falls
rises steadily
falls
2.
On a heating curve, which part is longest for water heated steadily?
warming the ice
melting
warming the water
boiling
3.
How much energy is needed to melt 0.20 kg of ice at 0 °C? (L = 3.3 × 105 J/kg)
6.6 × 105 J
3.3 × 104 J
6.6 × 104 J
1.65 × 106 J
4.
What happens to the particles during boiling?
They contract
They are separated completely as potential energy increases
They gain mass
They stop moving
5.
Which statement about a cooling curve for a pure liquid becoming solid is correct?
There is a flat section at the freezing point
The curve rises at freezing
There is no flat section
Temperature drops steadily throughout
6.
Why does steam cause a worse burn than boiling water at the same temperature?
Steam is denser
Steam conducts better
Steam is hotter
Steam releases latent heat as it condenses
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