Thermal Conductors and Insulators (Grade 10 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a thermal conductor?
What is a thermal conductor?
Material allowing heat to move easily
What is another term for thermal insulators?
What is another term for thermal insulators?
Poor thermal conductors
What does a higher thermal conductivity value indicate?
What does a higher thermal conductivity value indicate?
Better heat conduction
Which material has the highest thermal conductivity value?
Which material has the highest thermal conductivity value?
Silver with W·m⁻¹·K⁻¹
Which material is the best thermal insulator according to the table?
Which material is the best thermal insulator according to the table?
Air with W·m⁻¹·K⁻¹
Why are mineral wool and polystyrene used for building insulation?
Why are mineral wool and polystyrene used for building insulation?
They trap air, which insulates well
Why is stainless steel excellent for cooking pots?
Why is stainless steel excellent for cooking pots?
It conducts heat well and evenly
Why are pot handles often made from plastic or wood?
Why are pot handles often made from plastic or wood?
They don't conduct heat well, staying cool
Why is red brick preferred over concrete for houses needing less heating?
Why is red brick preferred over concrete for houses needing less heating?
Brick has lower thermal conductivity
In the experiment with spoons in hot water, what happens to the metal spoon handle?
In the experiment with spoons in hot water, what happens to the metal spoon handle?
It heats up much faster than plastic