Comminution

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/comminution

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the core principle?Comminution is the mechanical reduction of solid particle size, increasing surface area
2. What is the geological relevance?In geology, comminution describes rock fragmentation during faulting in the Earth's crust
3. What does "comminution" mean?Comminution means breaking big rocks or other solid materials into tiny pieces with machines or tools.
4. Why do we break rocks into smaller pieces?Smaller pieces have more surface area, so they react faster, dissolve quicker, and are easier to use in things like cement, paint, or medicine.

Unit Operation: A basic step in a chemical or industrial process, like comminution, distillation, or filtration.
Particle Size Distribution (PSD): A measure of the range of particle sizes present in a sample, crucial for process control.
Fracture Mechanics: The study of how cracks propagate in materials under stress, essential for understanding comminution.