10 Questions
Which of the following best describes diffusion?
The mixing of particles due to their random movement
What factors affect the speed of mixing by diffusion?
Temperature, size, and mass of the particles
Why do particles from warm food diffuse more quickly than those from cool food?
Warm food particles have more energy and move faster
What is the role of cotton wool soaked in concentrated hydro in the experiment?
To provide a medium for diffusion to occur
Do you need to move or stir to make diffusion happen?
No, diffusion happens due to the random movement of particles
Diffusion is the random movement and mixing of particles in a substance.
True
Food particles evaporate during cooking and spread out in the air.
True
The speed of diffusion depends on the size and mass of the particles.
True
Particles from warm food diffuse slower than those from cool food.
False
Diffusion can only occur if you move or stir the substances.
False
Test your knowledge on diffusion with this quiz! Learn about the process of food particles spreading in the air and how they create a delicious smell throughout the house. Find out why you can detect the smell of food cooking in your nose.
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