Convection
2.3.2What the syllabus asks of you
- Explain convection in liquids and gases in terms of density changes and describe experiments to illustrate convection
Read the notes first
Chapter 2: Convection
Drill this topic
Every question on Convection, untimed, marked as you go.
Make a worksheet
Choose the years and how many questions, then print it with the answers on separate pages.
10 questions
1May / June 2025 · Paper 12 · Q17Show mark scheme →
Adecreases / no movement
Bdecreases / upwards
Cincreases / no movement
Dincreases / upwards
Mark scheme
2Oct / Nov 2024 · Paper 11 · Q24Show mark scheme →
Aconduction
Bconvection
Cevaporation
Dradiation
Mark scheme
3May / June 2024 · Paper 11 · Q20Show mark scheme →
AThe evaporation of water causes water molecules to rise to the surface.
BThe expansion of water molecules causes them to rise to the surface.
CThe water above the heat source rises because it becomes less dense.
DThe water at the side falls because it becomes less dense.
Mark scheme
4May / June 2023 · Paper 12 · Q18Show mark scheme →
AA decrease in its density causes the heated liquid to rise.
BFree electrons carry energy large distances through the liquid.
CInfrared radiation passes through the liquid and transfers energy.
DParticles of the liquid vibrate and pass energy to neighbouring particles.
Mark scheme
5Oct / Nov 2022 · Paper 11 · Q17Show mark scheme →
Aconduction
Bconvection
Cevaporation
Dexpansion
Mark scheme
6Oct / Nov 2021 · Paper 12 · Q14Also set in Oct / Nov 2021 Paper 11Show mark scheme →
Abecome smaller / decreases
Bbecome smaller / increases
Cmove closer together / decreases
Dmove closer together / increases
Mark scheme
7Oct / Nov 2020 · Paper 12 · Q17Show mark scheme →
A
B
C
D
Mark scheme
8May / June 2018 · Paper 11 · Q20Show mark scheme →
Aconvection
Bmovement of free electrons
Cradiation
Dvibration of molecules
Mark scheme
9Oct / Nov 2016 · Paper 12 · Q24Show mark scheme →
Agases, liquids and solids
Bgases and liquids only
Cgases and solids only
Dliquids and solids only
Mark scheme
10May / June 2016 · Paper 12 · Q16Show mark scheme →
Athe particles of this air become smaller; the density of this air decreases
Bthe particles of this air become smaller; the density of this air increases
Cthe particles of this air move closer together; the density of this air decreases
Dthe particles of this air move closer together; the density of this air increases
Mark scheme