1. IB Physics

The math segment of Physics HL is pretty easy. However, the notable amount of concepts of the topics are very tough to understand.

Difficult Topics include:

-Electricity and Magnetism (15 Hours)

-Thermodynamics

-Waves Phenomena (15 Hours)

-Quantum and Nuclear Physics (16 Hours)

2. IB Chemistry

Difficult Topics include:

-Organic Chemistry (11 Hours)

-Acids and Bases- Calculations (6.5 Hours)

-Redox Process (8 Hours)

-Chemical Bonding and structure (13.5 Hours)

3. IB Biology

The only reason students think Biology HL is difficult is because you have to memorize a lot of information and have to absorb it like a sponge.

Difficult Topics include:

-Plant biology (13 Hours)

-Cell respiration and Photosynthesis (14 Hours)

-Human Physiology (20 Hours)