Pressure-induced hydration

High school (ages 12+)
Environment & Earth

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/pressure-induced-hydration

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 scientific classification?Pressure-induced hydration (PIH) is a subset of pressure-induced insertion
2. What is the pressure-transmitting fluids?Water, noble gases (Ar, Kr, Xe), CO2
3. How does pressure make water fit into tiny spaces in rocks?The pressure pushes the water molecules past barriers that normally stop them, so they can enter spaces they normally can't reach inside the material.
4. Why do scientists use a diamond anvil cell for this experiment?A diamond anvil cell can create the huge pressures needed, up to hundreds of gigapascals, and keeps the pressure even on all sides of the sample.

Microporous materials: Solids containing pores with internal dimensions typically less than 2 nanometers.
Diamond anvil cell (DAC): A high-pressure device used to subject samples to extreme hydrostatic or deviatoric stress.
Pressure-induced insertion: The process by which molecules are forced into the structure of a material under applied pressure.
Hydrostatic pressure: Pressure applied equally in all directions, preventing shear stress and preserving sample integrity.