On a hot summer day, a coastal breeze is generated by the unequal heating of the land and the sea.
The passage below explains the movement of air near a coastline during the day.
Choose the correct words from the box to complete the passage. Each word may be used once, more than once, or not at all:
conduction, contracts, faster, expands, increases, convection, decreases, slower
"The land warms up quickly in the sun, heating the air above it. This causes the air molecules to move __________.
The air __________ as the molecules move further apart.
The density of the heated air __________ and it rises.
Cooler air from over the sea flows in to replace it, establishing a __________ current."
A heavy pallet of equipment of mass 180 kg180\text{ kg}180 kg is lifted 14 m14\text{ m}14 m vertically upwards by a warehouse lift.
State the equation linking gravitational potential energy (GPE), mass, ggg, and height.
Calculate the gain in GPE when the pallet is lifted 14 m14\text{ m}14 m.
State the work done in lifting the pallet.
36 exam-style questions on Edexcel IGCSE Physics Energy transfers. Each one has a worked solution and a mark scheme showing where the marks go.