Energy.

The physics block. Looks short - it is! But plenty of new equations to get your head around, so not a quick block to do. The sections are:

• Energy conversion and conservation.
• Work, energy and power.
• Motion under gravity.
• Energy in biological systems.
• Internal energy.
• Electrical energy.
• Energy from the Sun.
• Adaptation and evolution.

I enjoyed this block, getting the calculations right was very satisfying, after the ecology of Block 4.

TMA

The remaining two questions of TMA 04, which apply to Block 5. Calculation-based questions, as you'd expect, fairly straightforward.