Gel

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/gel

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 classification?Colloidal system consisting of a liquid dispersed within a solid polymer network
2. What is the formation mechanism?Gelation, involving physical or chemical cross-linking of polymer chains
3. How does a gel form?Gel formation, called gelation, happens when the liquid is trapped inside a network of polymers. The network can form by sticking together with bonds or by physical forces like hydrogen bonds.
4. Where can we find gels?Gels are everywhere: in jelly, in your shampoo, in food, and even in medicine. Ancient Egyptians used gels for mummification, and today they are used in medicines and food.

Colloidal System: A mixture where particles of one substance are dispersed evenly throughout another, forming a stable state.
Cross-linking: The process of forming chemical or physical bonds between polymer chains to create a network structure.
Stimuli-Responsive Gel: A gel that can change its properties (e.g., shape, volume) in response to external factors like temperature or pH.