Topic study hub
Diffusion
Explain diffusion as the overall movement of particles from areas of higher concentration to areas of lower concentration due to their random motion.
5
Objectives
50
Flashcards
35
Questions
90 min
Study time
CambridgeIGCSEBiologyMovement into and out of cells
Choose a revision tool
Start revising Diffusion
Syllabus checklist
What you need to know
5 objective pages available
Diffusion outcomes5 objectives
- Explain diffusion as the overall movement of particles from areas of higher concentration to areas of lower concentration due to their random motion.
- Identify that the energy driving diffusion originates from the kinetic energy of molecules and ions in random motion.
- Recognize that certain substances enter and exit cells through diffusion across the cell membrane.
- Discuss the significance of gas and solute diffusion in the functioning of living organisms.
- Examine the factors that affect diffusion, specifically: surface area, temperature, concentration gradient, and distance.
Key terms
DescribeStateInvestigate
Exam tips
No exam tips are published for this topic yet.
Common mistakes
No common mistakes are published for this topic yet.
Practice preview
Continue by objective
Objectives are grouped by subtopic so students can jump straight to the exact skill they want to revise.
Related topics