logo

Cambridge IGCSE Combined Science practice

What causes warm fluid to rise in convection?

Try the question first, then check the answer and practise the same topic again.

At a glance

MCQ

Type

cambridge_mcq

Style

Topic

Transfer of thermal energy

Exam-style question

Try this first

What causes warm fluid to rise in convection?.

  1. A.It is less dense than cooler fluid.
  2. B.It is heavier than cooler fluid.
  3. C.It has a higher temperature than cooler fluid.
  4. D.It is under more pressure than cooler fluid.

Answer and explanation

Attempt the question first, then reveal the model answer and explanation.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 3 attempted

Paper 4 structured question: Transfer of thermal energy

Paper 4Theory (Extended)3 marks

Description

Convection Process

In a heated fluid, warmer areas rise while cooler areas sink, creating a cycle of movement known as convection currents.

  1. a

    Analyse Explain how changes in density lead to convection in liquids and gases.

    Aim for approximately 3 distinct marking points.

    [3]